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Marquise Cut Very Good Cut Lab Grown Diamonds

Shop our beautiful collection of Marquise Cut Very Good Cut Lab Grown Diamonds. Take advantage of our diamond transparency to see the wholesale cost of your diamond! Look for the best value badge to find the best priced diamonds in the market.

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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
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
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
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
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

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
Tool Tip Icon
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.
0.30 Carat Marquise Lab Diamond
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$234.00
0.3Carat
GColor
SI1Clarity
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0.31 Carat Marquise Lab Diamond
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$248.00
0.31Carat
GColor
VS2Clarity
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0.32 Carat Marquise Lab Diamond
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$249.00
0.32Carat
GColor
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0.34 Carat Marquise Lab Diamond
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$272.00
0.34Carat
GColor
VS2Clarity
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0.31 Carat Marquise Lab Diamond
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$313.00
0.31Carat
GColor
VS2Clarity
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1.18 Carat Marquise Lab Diamond
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$333.00
1.18Carat
GColor
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1.03 Carat Marquise Lab Diamond
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$334.00
1.03Carat
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1.00 Carat Marquise Lab Diamond
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$335.00
1Carat
GColor
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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
5.12 Carat Marquise Lab Diamond
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$1,963.00
5.12Carat
HColor
VS2Clarity
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5.14 Carat Marquise Lab Diamond
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$1,971.00
5.14Carat
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VS2Clarity
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5.01 Carat Marquise Lab Diamond
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$1,974.00
5.01Carat
HColor
VS2Clarity
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Chat with a gemologist
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1.07 Carat Marquise Lab Diamond
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$339.00
1.07Carat
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1.00 Carat Marquise Lab Diamond
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$346.00
1Carat
GColor
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1.36 Carat Marquise Lab Diamond
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$352.00
1.36Carat
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1.09 Carat Marquise Lab Diamond
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$356.00
1.09Carat
GColor
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1.03 Carat Marquise Lab Diamond
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$357.00
1.03Carat
GColor
VS2Clarity
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1.08 Carat Marquise Lab Diamond
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$362.00
1.08Carat
GColor
VS2Clarity
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1.30 Carat Marquise Lab Diamond
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$363.00
1.3Carat
HColor
VS2Clarity
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1.09 Carat Marquise Lab Diamond
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$365.00
1.09Carat
GColor
VS2Clarity
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1.03 Carat Marquise Lab Diamond
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$366.00
1.03Carat
GColor
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1.34 Carat Marquise Lab Diamond
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$367.00
1.34Carat
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VS2Clarity
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1.38 Carat Marquise Lab Diamond
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$369.00
1.38Carat
HColor
VS2Clarity
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1.21 Carat Marquise Lab Diamond
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$370.00
1.21Carat
GColor
VS2Clarity
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1.24 Carat Marquise Lab Diamond
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$372.00
1.24Carat
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VS2Clarity
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1.00 Carat Marquise Lab Diamond
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$375.00
1Carat
HColor
VS2Clarity
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0.49 Carat Marquise Lab Diamond
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$377.00
0.49Carat
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1.00 Carat Marquise Lab Diamond
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$379.00
1Carat
GColor
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You’ve viewed 24 of 16,833 products

Shop our beautiful collection of Marquise Cut Very Good Cut Lab Grown Diamonds. Take advantage of our diamond transparency to see the wholesale cost of your diamond! Look for the best value badge to find the best priced diamonds in the market.

Marquise Cut Very Good Cut Lab Grown Diamonds

Shape

The marquise cut, somewhat similar to oval and pear shaped diamonds, has pointed ends and elegant, curved sides. It is the diamond shape with the largest surface area of all popular cuts, which means that you can find a larger-looking diamond for the same value.

The marquise cut diamond is a great choice for an engagement ring if you are looking for a diamond that will elongate your finger. King Louis XIV of France, who wanted a new diamond shape for the woman he loved – Marquise de Pompadour - commissioned the marquise cut. It is said that he wanted the diamond to be reminiscent of her smile. Because of this, the marquise shape has very romantic connotations.

If you are looking to make your marquise cut diamond appear larger, try a halo setting. Or let this unique cut stand out in a solitaire setting.

Because the marquise cut diamond has pointed ends, it is prone to chipping. Be sure to choose a setting that will protect the pointed ends.

Cut

Very Good cut diamonds have great sparkle similar to the ideal cut diamond.

Lab Grown Diamonds

Lab grown diamonds are real diamonds that are created in the lab instead of deep inside the earth's crust. They are physically, chemically, and visually identical to earth grown diamonds and are indistinguishable even by a trained gemologist.

The only difference between lab grown diamonds and earth grown diamonds is how they were created. Earth grown diamonds are created under high pressure and temperature deep under the earth's surface, while lab grown diamonds are created under high pressure and temperature(HPHT) in a lab

Lab grown diamonds are typically between 30 and 50 percent cheaper than earth grown diamonds! Therefore they have become a very popular choice for engagement ring, since you can get a bigger size diamond for your budget.

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

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

Frequently Asked Questions

  • How much does a Marquise Cut Very Good Cut Lab Grown Diamond cost?
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    A Marquise Cut Very Good Cut Lab Grown Diamond can cost anywhere between $250 and $18,000 depending on the 4 cs. The median price is $1,500.