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Annual Spectrum Awards - each year the American Gem Trade Association celebrates the skills and achievements of gem cutters.  This Best of Show is by Dalan Hargrave and Stephanie Michael Young - a 125 carat spirographic cut mint green beryl with a concave pavilion and flat faceted crown.

2005 winner of the American Gem Trade Association's Best of Show Annual Spectrum award for gemcutting - a spirographic cut mint-green beryl with a concave pavilion and flat faceted crown by Dalan Hargrave and Stephanie Michael Young.

Indicolite Tourmaline gemstone

This Indicolite Tourmaline gemstone features the Concave cut.

by Dalan Hargrave. 37mm, 95-carat ametrine, double spirographic cut with flat and concave faceted pavilion

Best of Competition / Also, First Place, Specially Cut Gems / by Dalan Hargrave / 95 carats Ametrine, double spirographic cut with flat and concave faceted pavilion.

This almond-shaped stone is the largest apple-green diamond known. Its green color is attributed to the crystal’s close contact with a radioactive source at some point in its lifetime. The Dresden Green, which probably originated in a rough crystal of 100 carats or more, is unique among world-famous gems for not only its color, but also its elongated shape.

This almond-shaped stone is the largest apple-green diamond known. Its green color is attributed to the crystals close contact with a radioactive source at some point in its lifetime. The Dresden Green, which probably originated in a rough crystal of 100

Kazuhito Komatsu / Second Place  Laurel Crown Cutting / 19.5mm round. Natural pink amethyst, concave cutting. 25.35 carats

Amethyst A Kazuhito Komatsu masterpiece. Second Place Laurel Crown Cutting round.

View 1: This stunning gemstone was cut from spodumene rough mined from the Mawi Mine located in Laghman, NW, Nuristan Province in Afghanistan. The crystal was mined over 30 years ago and has been hiding in a private collection until just this past year. The crystal showed fabulous pleochroism with violet down the C axis and pale greens and blues through other axes. Blue spodumene is rare and the combination of greens, blues and deep violet is even rarer. What makes this stone so incredibly…

Heart of Planet This stunning gemstone was cut from spodumene rough mined from the Mawi Mine located in Laghman, NW, Nuristan Province in Afghanistan. The crystal was mined over 30 years ago and has been hiding in a private collection until just this p

46.22ct Bolivian ametrine in a StarBrite™ round cut - by American John Dyer

Impressive work from the John Dyer Portfolio is this brightly reflective Bolivian ametrine in a StarBrite™ round cut.

"Michael Dyber gem sculpture in amethyst (48.85 carats). The holographic effects are a result of facets ground into the back or pavilion of the gem which is roughly triangular, similar to the pavilion of a standard faceted gemstone."

"Michael Dyber gem sculpture in amethyst carats). The holographic effects are a result of facets ground into the back or pavilion of the gem which is roughly triangular, similar to the pavilion of a standard faceted gemstone.

Natural Color Diamonds   #Beautiful #Gemstones #Jewelry

Natural Color Diamonds …Not just White! Bet these rarities are something specia

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