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Oval Cut Lab Grown Diamonds

Find your Oval Cut Lab Grown Diamond at Ritani. Browse our exquisite collection of lab grown diamonds and enjoy wholesale pricing with a lifetime warranty.

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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.
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.
Polish
A well-polished diamond will have excellent light return.
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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.
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
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.
Lab Diamond Growth Process
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Lab diamonds are made using two processes, HPHT and CVD. Both mimic the natural process of earth diamonds. LEARN ABOUT LAB DIAMONDS

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.
0.68 Carat Oval Lab Diamond
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$262.00
0.68Carat
GColor
SI1Clarity
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0.55 Carat Oval Lab Diamond
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$278.00
0.55Carat
GColor
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1.01 Carat Oval Lab Diamond
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$324.00
1.01Carat
GColor
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Take 20% off Lab Diamonds with code LAB20.
0.63 Carat Oval Lab Diamond
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$331.00
0.63Carat
GColor
VS2Clarity
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1.14 Carat Oval Lab Diamond
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$342.00
1.14Carat
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1.16 Carat Oval Lab Diamond
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$345.00
1.16Carat
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1.07 Carat Oval Lab Diamond
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$352.00
1.07Carat
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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
5.35 Carat Oval Lab Diamond
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$1,961.00
5.35Carat
GColor
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5.47 Carat Oval Lab Diamond
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$1,962.00
5.47Carat
IColor
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3.07 Carat Oval Lab Diamond
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$1,962.00
3.07Carat
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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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1.11 Carat Oval Lab Diamond
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$355.00
1.11Carat
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1.16 Carat Oval Lab Diamond
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$356.00
1.16Carat
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0.91 Carat Oval Lab Diamond
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$356.00
0.91Carat
GColor
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1.11 Carat Oval Lab Diamond
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$356.00
1.11Carat
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1.06 Carat Oval Lab Diamond
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$359.00
1.06Carat
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1.07 Carat Oval Lab Diamond
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$362.00
1.07Carat
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1.16 Carat Oval Lab Diamond
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$365.00
1.16Carat
GColor
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1.08 Carat Oval Lab Diamond
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$366.00
1.08Carat
GColor
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1.07 Carat Oval Lab Diamond
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$369.00
1.07Carat
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1.18 Carat Oval Lab Diamond
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$370.00
1.18Carat
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1.10 Carat Oval Lab Diamond
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$372.00
1.1Carat
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1.13 Carat Oval Lab Diamond
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$372.00
1.13Carat
GColor
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1.10 Carat Oval Lab Diamond
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$373.00
1.1Carat
GColor
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1.33 Carat Oval Lab Diamond
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$376.00
1.33Carat
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1.12 Carat Oval Lab Diamond
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$377.00
1.12Carat
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Take 20% off Lab Diamonds with code LAB20.
0.42 Carat Oval Lab Diamond
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$378.00
0.42Carat
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1.01 Carat Oval Lab Diamond
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$379.00
1.01Carat
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You’ve viewed 24 of 50,508 products

Find your Oval Cut Lab Grown Diamond at Ritani. Browse our exquisite collection of lab grown diamonds and enjoy wholesale pricing with a lifetime warranty.

Oval Cut Lab Grown Diamonds by Ritani

Shape

Oval cut diamonds have a sparkling, brilliant facet pattern and an elongated silhouette. Developed by Lazare Kaplan in the 1960s, the oval cut diamond is a hybrid of the round brilliant and marquise shapes. 3.2% of all Ritani diamonds sold are oval cut. They are a stunning choice for those who love sparkle but are looking for a slightly more unusual style.

Oval diamonds have become increasingly popular in recent years for engagement rings. Stars who have worn the oval cut diamond include Blake Lively and Hailey Bieber.

Oval diamonds are also a great choice for custom jewelry, such as pendants and earrings. There are some benefits to oval diamonds: they create the appearance of a longer, slimmer finger when worn in an engagement ring, and they also appear bigger than they really are due to their larger surface area. To make your oval diamond appear larger, choose a halo setting. Or let your oval diamond stand out in a solitaire setting.

Oval diamonds will come in varying length to width ratios. They tend to look the most appealing between 1.30-1.50. An oval with a length to width ratio of 1.30 will appear rounder, while an oval with a length to width ratio of 1.50 will appear more slender and elongated.

All Ritani lab grown diamonds are certified. Most of our lab grown diamonds are certified by IGI, the most respected independent lab diamond grading laboratory.

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

Frequently Asked Questions

  • How much does a Oval Cut Lab Grown Diamond cost?
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    A Oval Cut Lab Grown Diamond can cost anywhere between $72 and $49,000 depending on the 4 cs. The median price is $1,900.

  • What is an oval cut lab-grown diamond?
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    ​An oval cut lab-grown diamond is a type of diamond that has been shaped and polished into an oval form. This cut combines the brilliance and fire of round cut diamonds with a more elongated shape, offering a unique aesthetic. Lab-grown oval diamonds are created in controlled laboratory conditions, using advanced technology to replicate the natural diamond-growing process, offering an ethical and sustainable alternative to mined diamonds.

  • How do I choose a high-quality oval cut lab-grown diamond?
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    When selecting an oval cut lab-grown diamond, consider the 4 Cs: Cut, Color, Clarity, and Carat. The quality of the cut is particularly important for oval diamonds to ensure maximum brilliance and symmetry. Look for an oval shape that is well-proportioned, avoiding diamonds that are too elongated or too wide. A length-to-width ratio between 1.3 and 1.5 is generally considered ideal for a classic oval appearance.

  • Why choose an oval cut over other diamond shapes?
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    ​Oval cut diamonds offer several advantages, including the illusion of greater size due to their elongated shape, which can also make the wearer's finger appear longer and slimmer. Oval diamonds are known for their brilliance and are less common than round diamonds, making them a distinctive choice for those seeking both sparkle and uniqueness.


  • How do I care for my oval cut lab-grown diamond?
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    Caring for an oval cut lab-grown diamond involves regular cleaning with a soft brush and mild detergent to remove buildup and maintain its sparkle. It's also advisable to store your diamond jewelry separately to prevent scratches and to have it inspected by a professional jeweler periodically to ensure the setting remains secure and the diamond is in good condition.