Diopside Average Retail Prices (value charts per carat) in,
Gemval valuation reports created by our customers using Online Appraisal Tool. Diopside Valuation Report #90079 (2.75ct, color: 088 - medium dark Green; strong)Black Gemstones List - names, meaning - Jewels, stones and,,Women and even men are dying for black gemstones that can be worth millions depending on their rarity and beauty.,star black garnet gemstone is a mixture of garnet species,,Star Diopside has a hardness of only 5 to 6 on the Mohs scale.Sapphire Value, Price, and Jewelry Information,,Private Collection: “Black Star of Queensland,” oval, found in 1948, 733 cts, world’s largest black star. A yellow crystal of 217.5 carats was found in Queensland, Australia in 1946. Natural History Museum (Paris): the “Raspoli,” 135-ct brown sapphire, lozenge-shaped rough, clean.