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Natural Diamonds

Shop for diamonds with ease at Ritani, with price transparency available on every diamond. Browse over 200k GIA-graded, conflict-free natural diamonds in various carat weights, colors, cuts, and shapes. Use our HD 360° view and filters to find high-quality best value diamonds. Our diamond buying guide ensures you make the best choice.

Filters:
Quick Ship Diamonds
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Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
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Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
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Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
Shape
Shape influences the personality and price of a diamond.
Price
Many factors impact diamond price. With Ritani's Diamond Price Match Guarantee you can be confident you'll get the best price for a diamond. Tip: Tradition tells you to budget 2-3 months' salary for your ring. We say, just do you.
Carat
Carat is the measure of a diamond's weight and size. We offer an array of high-quality diamonds ranging from 0.18 to 25.00 carats- with 1.00 carat being the most popular.
Color
A diamond’s color grade actually measures how little color it reflects. To strike the best balance between cost and beauty, go for diamonds in the Near Colorless range: G, H, and I.
Clarity
Clarity indicates how many flaws are visible to the naked eye. Too many flaws can detract from a diamond's beauty.
Cut
Cut is the quality of a diamond’s proportions and symmetry. The better a diamond’s proportions and symmetry, the more sparkle it will produce. Cut is the most important of the 4 Cs.
Delivery Date
In a rush to get your diamond? Choose your ideal delivery date.
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Polish
A well-polished diamond will have excellent light return.
Fluorescence
Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
Depth
Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Table
Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
Certificate
All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Polish
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A well-polished diamond will have excellent light return.
Excellent
Very Good
Good
Fluorescence
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Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
None
Faint
Medium
Strong
Very Strong
Depth
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Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
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The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
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Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Excellent
Very Good
Good
Table
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Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
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The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
None
Very Small
Small
Medium
Slightly Large
Large
Certificate
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All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Quick Ship Diamonds
Tool Tip Icon
Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
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Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
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Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
Take 4% off natural diamonds, no code needed.
0.31 Carat Round Diamond
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Natural
BEST VALUE
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$262.00 $273.00
0.31Carat
IColor
SI1Clarity
IdealCut
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0.31 Carat Round Diamond
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$262.00 $273.00
0.31Carat
IColor
SI1Clarity
IdealCut
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0.30 Carat Round Diamond
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$263.00 $274.00
0.3Carat
IColor
SI1Clarity
IdealCut
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0.32 Carat Round Diamond
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Natural
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$271.00 $282.00
0.32Carat
IColor
SI1Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
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$272.00 $283.00
0.3Carat
GColor
SI1Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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Need help choosing the perfect diamond? We're here to help. Chat with a Virtual Gemologist today.
GEMOLOGIST PICKS
These diamonds were hand picked by our in house gemologists who focus on balancing the 4 C's and best value pricing. Our gemologists are always here to help you find the diamond of your dreams. Chat Now
1.30 Carat Round Diamond
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Natural
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$5,931.00 $6,178.00
1.3Carat
GColor
VS2Clarity
IdealCut
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1.52 Carat Round Diamond
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Natural
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$5,939.00 $6,186.00
1.52Carat
IColor
VS2Clarity
IdealCut
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1.51 Carat Round Diamond
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Natural
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$6,012.00 $6,262.00
1.51Carat
HColor
SI1Clarity
IdealCut
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Chat with a gemologist
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You can connect with a commission free gemologist instantly and receive a live diamond inspection on any diamond. You can also connect and shop together and compare up-to three diamonds at a time instantly. Try it out. Start your diamond concierge consultation today.
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
BEST VALUE
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$274.00 $285.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
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$275.00 $286.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
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$276.00 $288.00
0.3Carat
IColor
VS2Clarity
IdealCut
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0.23 Carat Round Diamond
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Natural
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$277.00 $289.00
0.23Carat
HColor
SI1Clarity
IdealCut
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0.30 Carat Round Diamond
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$278.00 $290.00
0.3Carat
GColor
SI1Clarity
IdealCut
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0.23 Carat Round Diamond
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$279.00 $291.00
0.23Carat
HColor
SI1Clarity
IdealCut
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Get the Best Deal - Look for Best Value diamonds while you shop. Best Value - Learn more
0.23 Carat Round Diamond
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Natural
BEST VALUE
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$279.00 $291.00
0.23Carat
GColor
SI1Clarity
IdealCut
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0.23 Carat Round Diamond
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Natural
BEST VALUE
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$282.00 $294.00
0.23Carat
GColor
SI1Clarity
IdealCut
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0.31 Carat Round Diamond
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Natural
BEST VALUE
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$283.00 $295.00
0.31Carat
IColor
VS2Clarity
IdealCut
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0.31 Carat Round Diamond
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Natural
BEST VALUE
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$283.00 $295.00
0.31Carat
IColor
VS2Clarity
IdealCut
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0.31 Carat Round Diamond
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Natural
BEST VALUE
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$283.00 $295.00
0.31Carat
IColor
VS2Clarity
IdealCut
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0.30 Carat Round Diamond
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$284.00 $296.00
0.3Carat
IColor
SI1Clarity
IdealCut
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0.30 Carat Round Diamond
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Natural
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$284.00 $296.00
0.3Carat
GColor
SI1Clarity
IdealCut
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You’ve viewed 24 of 167,378 products

Shop for diamonds with ease at Ritani, with price transparency available on every diamond. Browse over 200k GIA-graded, conflict-free natural diamonds in various carat weights, colors, cuts, and shapes. Use our HD 360° view and filters to find high-quality best value diamonds. Our diamond buying guide ensures you make the best choice.

Shop GIA and AGS Certified Diamonds

Ritani proudly offers an extensive selection of GIA and AGS Certified loose diamonds in ten shapes, numerous carat weights, and other variables to suit a range of preferences and budgets, ensuring you will find your ideal diamond. Before you begin diamond shopping, make sure you know about the 4Cs of diamonds. In summary, the 4Cs of diamonds determine the value of the stone based on its cut, clarity, color, and carat weight. Colorless diamonds with an exact cut and minimal blemishes are considered the most valuable, but it really comes down to one’s preference. Overall, we recommend choosing the best cut grade your budget will allow. Utilize our education section to learn more about diamonds to give yourself a clear-cut idea of what you want. You can request HD images or videos of your diamond if they are not listed. If you need assistance while selecting your ideal diamond, contact us to chat with a member of our diamond concierge team or make an appointment with one of our independent virtual gemologists to get a live and in-depth look at the diamond you are interested in.

Natural Diamonds

Natural diamonds are mined from deep under the earth's surface where they have lain dormant for millions of years. When you hold an earth grown diamond, reflect on the immense journey this diamond has taken and the history it has endured.

A diamond starts out in the lowly form of graphite, such as you might find in the tip of your pencil. Over the course of hundreds of millions of years, the immense pressure and temperature produced deep inside the earth rearrange the carbon atoms into a crystal structure.

Then miners dig deep tunnels under the earth and collect the rough diamonds. The rough diamond looks nothing like the sparkly diamond you are holding. It has an irregular shape, is very dirty and looks dull. The diamond is then cleaned, cut into its desired shape, and finally polished into the beautiful diamond you are now holding!

All Ritani earth grown diamonds are certified by either the AGS or GIA – the two most respected independent grading labs in the world.

If you need help selecting your Diamonds, reach out to us at 1-888-9RITANI or chat now.

Frequently Asked Questions

  • What types of diamonds are available in the Ritani Diamonds collection?
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    The Ritani Diamonds collection includes a variety of diamond shapes and sizes, such as round, princess, cushion, emerald, and more. We offer both natural and lab-grown diamonds to suit different preferences and budgets.
  • What are the 4 Cs of diamonds?
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    The 4 Cs of diamonds are cut, color, clarity, and carat weight. These criteria determine a diamond's quality and value. Cut refers to how well the diamond is shaped, color measures the absence of color, clarity assesses the presence of inclusions, and carat weight indicates the diamond's size.
  • Are Ritani diamonds ethically sourced?
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    Yes, Ritani is committed to ethical sourcing. All of our diamonds are conflict-free and comply with the Kimberley Process, ensuring that they are sourced responsibly and ethically.
  • Can I see a diamond before purchasing it?
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    Yes, Ritani offers a free in-store preview program that allows you to see a diamond before purchasing it. You can select a diamond online and have it sent to a participating jeweler near you for an in-person viewing.
  • How is a diamond formed?
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    A diamond is formed deep underneath the earth's surface. It starts out in the lowly form of graphite, such as you might find in the tip of your pencil. Over the course of hundereds of millions of years, the immense pressure and temperature produced deep inside the earth rearrange the carbon atoms into a crystal structure.

    Then miners dig deep tunnels under the earth and collect the rough diamonds. The rough diamond looks nothing like the sparkly diamond you are holding. It has an irregular shape, is very dirty and looks dull. The diamond is then cleaned, cut into it's desired shape, and finally polished into the beautiful diamond you are now holding!


  • What are the different diamond shapes?
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    Diamonds come in many different shapes. From the classic round cut diamond to the romantically shaped heart diamond, you are guaranteed to find a shape that pleases you.

    Here are the 10 modern diamond shapes, ranked in order of popularity: Round, Oval, Emerald, Cushion, Princess, Pear, Radiant, Marquise, Asscher, Heart.

  • What are conflict-free diamonds?
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    Conflict-free diamonds are diamonds that are mined ethically and legally without any connection to terror groups or war-torn countries.

    Although much more common in the past, conflict diamonds are now very hard to obtain in most countries thanks to the Kimberley process. The Kimberley process was established in 2003 by the United Nations to ensure that all diamonds are ethically sourced and are not used to finance wars.

    At Ritani, we go above and beyond that to make sure that all our diamonds are ethically sourced and come from companies that treat their workers fairly. We carefully select our suppliers and ensure that the diamond you get was mined ethically and conflict free.

  • How much does a diamond cost?
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    A diamond can cost anywhere between $200 and several million dollars depending on the 4 cs.

  • How do I choose the right diamond for my jewelry?
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    To choose the right diamond for your jewelry, consider the 4 Cs: cut, color, clarity, and carat weight. Our website offers detailed guides and filters to help you find a diamond that matches your specifications and budget.
  • Do you offer custom diamond jewelry?
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    Yes, we offer custom diamond jewelry. You can design your own engagement ring, wedding band, or other jewelry pieces by selecting your preferred diamond and setting. Our jewelry experts are available to assist you with the customization process.
  • How are Ritani diamonds certified?
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    Ritani diamonds are certified by reputable gemological laboratories such as the Gemological Institute of America (GIA) and the International Gemological Institute (IGI). These certifications provide an assessment of the diamond's quality and authenticity.
  • What is the difference between natural and lab-grown diamonds?
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    Natural diamonds are formed over millions of years deep within the Earth, while lab-grown diamonds are created in a controlled environment. Both types have the same physical and chemical properties, but lab-grown diamonds are often more affordable and environmentally friendly.
  • How do I care for my diamond jewelry?
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    To care for your diamond jewelry, clean it regularly with a soft cloth and mild soap. Avoid exposing your jewelry to harsh chemicals or extreme temperatures. Store your pieces in a jewelry box or pouch to prevent scratches and damage.
  • Do you offer financing options for diamond purchases?
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    Yes, we offer financing options for diamond purchases through Affirm. You can choose to pay for your diamond over time with easy monthly payments. Select Affirm at checkout to apply.