Emerald Obsidianite and diamond ring. The ring was expertly hand crafted in 14K gold. The ring is center set with an emerald cut obsidiante measuring 10mm wide by 14mm long. Obsidiante is a synthetic gemstone made from the fused volcanic rock dust from Mount St. Helens, an American volcano located in the state of Washington. The obsidiante is flanked by four channel set quality clean white diamond baguettes of .12 points each for a total of .48 or nearly a half carat of diamonds. The mounting in large measuring 5/8" long by 7/16" wide and has a projection of 3/8". The ring weighs 8.8 grams 14K gold and is a finger size of 8.5. Stock item PG #8042208-002