ラウンドで1カラットを上回るCVD(化学蒸着)法による合成ダイヤモンドを香港のラボで鑑別 (英語)
Advances in CVD growth technology have resulted in crystals that yield well-proportioned round brilliant cuts.
Titanium-Coated Tanzanite
For the first time, GIA's laboratory has examined tanzanite color-coated with titanium.
ダイヤモンドビュー（DiamondView）で珍しい画像のCVD法による合成ダイヤモンド (英語)
Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.
Assembled “Pearl” Filled with Wire
Microradiography reveals wire fillings within a “pearl” created from two separate specimens.
Fancy Black NPD Synthetic Diamond
UV-Reactive Opal
The first documented UV-reactive chemical treatment to make opal appear tenebrescent.