in this file, we have 19 Gemstones with different Shapes all sizes exactly equal to 1CT.
Pear shape 8.65 x 5.60, Princess 5.43 x 5.43, Cushion square 5.78 x 5.78, Cushion 6.82 x 4.84, Oval 7.77 x 5.83, Round shape 6.44 x 6.44, Baguette straight 6.14 x 4.91, Half moon 8.47 x 4.88, Calf 6.75 x 6.75, Trillion straight 6.69 x 6.69, Triangle 7.11 x 7.11, Trillion curved 7.06 x 7.06, Heart 6.56 x 6.56, Radiant square 5.81 x 5.81, Radiant 6.72 x 4.66, Emerald square 5.78 x 5.78, Octagon 5.65 x 5.65, Emerald shape 6.96 x 4.97 and Marquise 10.70 x 5.35.
Note that the dimensions can be different from what the stones are in the market. These dimensions are adjusted so that stones can be exactly 1CT.
As you know in stl and obj format we cant add colors so you have do colorize it in your destination software.
If you need any other size and shap, just contact us. We can even present even odd or weird gems.