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Moissanite by Charles & Colvard

Moissanite is an extremely rare mineral that was discovered in a meteor crater by French chemist Henri Moissan in 1893. Today, all moissanite available in the marketplace is synthesized in laboratories, and North Carolina-based Charles & Colvard is known for creating the world's most stunning moissanite stone. Forever Brilliant ® Moissanite is up to four shades whiter (equivalent to a diamond with H-I color) than conventional moissanite (Forever Classic™), and Forever One ™ Moissanite gemstones are magnificently colorless (equivalent to D-F color diamonds). Both varieties are 10% more brilliant than a diamond and have a hardness of 9.25 on the Mohs scale of hardness, comparable to a diamond's score of 10 (the hardest possible).

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Charles & Colvard Moissanite type comparison: Forever Classic ™ vs Forever Brilliant ® Moissanite vs Forever One ™ Moissanite

Moissanite Engagement Rings

deBebians is pleased to offer Forever Brilliant ® Moissanite and Forever One ™ Moissanite created by Charles & Colvard as an option for almost all of our diamond engagement ring settings. Simply select Forever Brilliant ® Moissanite or Forever One ™ Moissanite as your center stone choice from the drop down menu, in addition to the metal type and your finger size. You can also customize any ring with any shape or size Forever Brilliant ® Moissanite or Forever One ™ Moissanite available. Forever Brilliant ® Moissanite gemstones are available in most shapes except for asscher and Forever One ™ Moissanite stones are generally available in round, princess, oval, or cushion. If you would like another shape or size, you can always contact us for a quote. Shop now »

Moissanite Limited Lifetime Warranty

Forever Family Moissanite Lifetime Warranty

Charles & Colvard provides a Limited Lifetime Warranty of your Forever Brilliant ® or Forever One ™ Moissanite for maintaining its brilliance and color. In the unlikely event the optical properties of brilliance and/or color alters in a Forever Family jewel, the jewelry, along with the original sales receipt and this warranty card, which comes in its own branded sleeve, must be returned to the retail place of purchase. Please note that jeweler costs to reset any replacement Forever Brilliant ® or Forever One ™ jewel as well as shipping fees may apply. If you have any questions, please contact deBebians and a customer service representative will assist you. This warranty does not cover damage as a result of abuse, misuse, loss or theft of your Forever Brilliant ® or Forever One ™ jewel. Additional terms and conditions apply. See Charles & Colvard for complete details.

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Moissanite Size Guide

When comparing the carat weight of a moissanite gemstone to a diamond of the same size, the moissanite will weigh less. Therefore, we prefer to use the millimeter (mm) measurements when referring to our moissanite sizes. Here are some handy charts to compare moissanite and diamond sizes to their equivalent carat weights.

Round Brilliant
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
3.00.090.10
3.50.140.16
4.00.220.23
4.50.290.33
5.00.410.50
5.50.540.60
6.00.680.80
6.50.881.00
7.01.101.20
7.51.351.50
8.01.601.90
8.51.902.20
9.02.262.70
9.52.753.10
10.03.083.60
10.53.574.20
11.04.114.75
11.54.725.37
12.05.326.13
12.56.017.00
13.06.807.75
13.57.608.75
14.08.469.75
14.59.5110.34
15.010.4612.00
Cushion
(square only)
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
2.00.040.06
2.50.070.08
3.00.120.13
3.50.190.22
4.00.300.33
4.50.420.50
5.00.570.60
5.50.750.80
6.00.961.10
6.51.211.30
7.01.491.70
7.51.802.00
8.02.152.40
8.52.542.80
9.02.983.30
9.53.744.20
10.04.185.02
10.54.995.81
11.05.796.68
Heart
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
2.50.050.06
3.00.080.09
3.50.140.15
4.00.210.23
4.50.300.34
5.00.420.50
5.50.540.60
6.00.700.80
6.50.861.00
7.01.101.20
7.51.321.50
8.01.611.80
8.51.992.20
9.02.432.70
9.52.833.10
10.03.303.70
Princess
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
2.50.080.10
3.00.140.16
3.50.210.25
4.00.330.37
4.50.440.50
5.00.640.70
5.50.830.90
6.01.071.20
6.51.351.50
7.01.751.92
7.52.082.30
8.02.512.80
8.52.873.20
9.03.493.90
Marquise
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
4x20.060.07
5x2.50.120.13
6x30.210.23
7x3.50.320.35
8x40.470.50
9x4.50.700.70
10x50.901.00
11x5.51.261.40
12x61.581.80
13x6.51.982.20
14x72.482.80
Radiant
(rectangular only)
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
4x20.100.11
5x30.300.33
6x40.610.70
7x51.041.20
8x61.671.80
9x72.432.70
10x83.513.90
11x94.795.30
12x106.457.20
14x108.419.30
Oval
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
4x20.090.10
5x30.230.26
6x40.430.50
7x50.840.90
8x61.331.50
9x71.912.10
10x82.723.00
11x93.744.20
12x105.185.80
14x106.587.22
Pear
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
5x30.200.21
6x40.390.43
7x50.690.77
8x50.850.94
9x61.331.50
10x71.932.10
12x83.093.57
Emerald
Size (mm)Moissanite Average WeightDiamond Equivalent Weight
4x20.110.12
5x30.270.30
6x40.500.58
7x50.981.05
8x61.551.75
9x72.232.52
10x83.173.55
11x94.364.90
12x106.046.77


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Happy Customers

"I just wanted to say I have no words to express how happy I am with quality craftsmanship that was put in to the engraving of this ring! Thank you to all involved with a job well done!" - Trey M., 1/28/2016

Happy Customers

"I received the ring yesterday. It is absolutely perfect. It is exactly what I envisioned. She is going to flip when she gets it. I am sure we will be in touch soon to work on a wedding band. Thanks so much again for all of your help!" - Jarod P., 12/8/2015

Happy Customers

"Just received the ring and it looks fantastic! Fingers crossed my gf thinks the same :) Thank you again for all of your help." - Josh B., 1/29/2016

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