Gemdek stones are certified in United States and by European Gemological Labs and are AGS, GIA, IGL and IGI certified. Please contact us for specific requests and custom stones.
   
MM. Sieve Size. Pcs. Pts.
 
1.0 00-0 200 0.50pt.
1.1 0-1.0 150  
1.18 1.0-1.5 135 0.75
1.2 1.5-2.0 120  
1.25 2.0-2.5 115 1
1.3 2.5-3.0 100  
1.35 3.0-3.5 90  
1.4 3.5-4.0 80 1.25
1.5 4.0-4.5 70  
1.55 4.5-5.0 64 1.5
1.65 5.0-5.5 60  
1.7 5.5-6.0 50 2
1.75 6.0-6.5 45  
1.9 6.5-7.0 40 2.5
2.0 7.0-7.5 34 3
2.1 7.5-8.0 30  
2.2 8.0-8.5 25 4
2.25 8.5-9.0 23 5
2.35 9.0-9.5 20  
2.5 9.5-10.0 18 5.5
2.6 10.0-10.5 16 6
2.7 10.5-11.0 15 7
2.8 11.0-11.5 14 8
2.9 11.5-12.0 13 9-11
3.0 12.0-12.5 11  
3.1 12.5-13.0 10  
3.2 13.0-13.5 8.5 12-13
3.25 13.5-14.0 8  
3.35 14.0-14.5 7.5 14-16
3.45 14.5-15.0 6.5  
3.55 15.0-15.5 6 17-18
3.7 15.5-16.0 5.5  
3.75 16.0-16.5 5.25 19-22
3.9 16.5-17.0 5.15  
4.0 17.0-17.5 4.5  
4.1 17.5-18.0 4.25 23-28
4.15 18.0-18.5 4  
4.2 18.5-19.0 3.7  
4.3 19.0-19.5 3.23 29-35
4.45 19.5-20.0 3  

Round Brilliant Diamonds
This shape has set the standard for all other diamond shapes, and accounts for more than 75% of diamonds sold today.

Heart Shaped Diamonds
This ultimate symbol of romance is essentially a pear-shaped diamond with a cleft at the top.

Emerald Cut Diamond
This is a rectangular shape with cut corners. It is known as a step cut because its concentric broad, flat planes resemble stair steps.

Oval Diamonds
An even, perfectly symmetrical design popular among women with small hands or short fingers.

Princess Cut Diamond
This is a square or rectangular cut with numerous sparkling facets that is perfect for an engagement rings.

Radiant Diamonds
This square or rectangular cut combines the elegance of the emerald shape diamond with the brilliance of the round.

Marquise Diamonds
An elongated shape with pointed ends inspired by the fetching smile of the Marquise de Pompadour and commissioned by the Sun King, France's Louis XIV.

Cushion Diamonds
The cushion cut is an antique cut that most often resembles a cross between the old mine cut and a modern oval cut.

Trilliant Diamonds
This is a spectacular wedge of brittle fire. First developed in Amsterdam, the exact design can vary depending on a particular diamond.


Pear Shaped Diamonds
A hybrid cut, combining the best of the oval and the marquise, it is shaped most like a sparkling teardrop.