jewelry

Jeff Graham’s Cornered is a checkerboard cut suitable for gem material that’s too dark or large for a standard design.

Easy to cut, the Gram Easy Emerald by Jeff Graham will maximize gem yield. This design and its cutting sequence will also accommodate stones with…

The Portuguese cut works wonderfully for very deep gemstones with high refractive indices. Jeff Graham’s Simple Portuguese, a modification…

Gem faceters and jewelry enthusiasts alike should learn about gemstone toxicity. This table has toxicity ratings for 280+ gems, based on their…

A rectangular redesign based on A. Nagy’s classic princess cut for diamonds, the Gram Prince by Jeff Graham works well in light to medium-color…

Although natural pearls are extremely rare and expensive, the availability of cultured pearls makes it easier to buy this classic, elegant gem…

Inspired by faceted shell and mother of pearl buttons from the Roaring Twenties, the Button design by Jeff Graham is a simple cut perfect for large,…

Want to cut a gemstone the size of a door knob? Jeff Graham’s Sonoran Snowflake gem design is for you. Suitable for gems 15 mm and over in size, this…

What qualities should you look for when padparadscha sapphire buying? Learn about the sunset colors and other properties of these gems.