The trillion cut is a popular gemstone design that performs well optically. It's also an odd, 3-symmetry, design. Other odd symmetry designs can be used as rounds or for novelty cuts but face some limitations. “Tashmarine diopside,” 4.08-ct, trillion brilliant cut. © Dan Stair Custom Gemstones. Used with permission. (“Tashmarine” is a trademark of Columbia Gem House).
Green Diopside, 4.08 ct Faceted Trillion Cut
The trillion cut is a popular gemstone design that performs well optically. It's also an odd, 3-symmetry, design. Other odd symmetry designs can be used as rounds or for novelty cuts but face some limitations. Tashmarine diopside, 4.08-ct, trillion brilliant cut. © Dan Stair Custom Gemstones. Used with permission. ("Tashmarine" is a trademark of Columbia Gem House).
Article: Odd Symmetry Designs for Gemstones
Credit: Dan Stair Custom Gemstones
| Gemstone | Diopside |
| Natural or man made | Natural |
| Carat Weight | 4.08 |
| Gem State | Faceted |
| Color | Green |
| Transparency | Transparent |