Loose Gemstones

Loose Gemstones

Simulated Diamonds: Diamonique CZ, Russian Jewels, Moissanite

Diamonds

Other Gemstones

MM to Carat Conversions (For Diamonds and Simulated Diamonds)

Prices Per Carat

Diamonique

Russian Jewels

Moissanite

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$25/ct. Avg.

$175/ct. Avg.

$399/ct. Avg

Cuts Available: Round Brilliant, Princess Square, Heart, Oval, Pear, Trillion, Emerald/Radiant (Diamonique and limited Russian Jewels - no Moissanite Trillions available at this time).

Additional Shapes and Sizes are available, only the most common cuts and sizes are shown above. Please contact us if you do not see the cut and size that you require.

Millimeter (mm) to Carat (ct) Diamond Equivalent Conversion Chart For Diamonds and Simulated Diamonds
Approx. Carat Size	MM Round Brilliant or Square/ Princess	MM Pear	MM Marquise	MM Oval	MM Emerald/ Radiant	MM Heart
0.25	4.1	-	6 x 3	5 x 3	5 x 3	4 x 4
0.5	5.2	6 x 4	8 x 4	6 x 4	6 x 4	5 x 5
0.75	5.8	7 x 5	9 x 4.5	-	6.5 x 4.5	6 x 6
1	6.5	8 x 5	10 x 5	7 x 5	7 x 5	6.5 x 6.5
1.25	7	-	-	7.5 x 5.5	-	-
1.5	7.4	9 x 6	11 x 5.5	8 x 6	8 x 6	7 x 7
2	8.2	10 x 7	12 x 6	8.5 x 6.5	8.5 x 6.5	8 x 8
2.5	8.8	12 x 7	13 x 6.5	9 x 7	9 x 7	8.5 x 8.5
3	9.4	12 x 8	14 x 7	10 x 8	10 x 8	9 x 9
3.5	10	13 x 8	14 x 7.5	10 x 8.5	-	9.5 x 9.5
4	10.04	14 x 8	16 x 8	11 x 9	11 x 9	10 x 10
4.5	10.8	14.5 x 9	-	11 x 9.5	-	10.5 x 10.5
5	11.2	15 x 9	16 x 8.5	12 x 10	12 x 10	11 x 11