Quartz, Obsidian and Sapphire Pendant start. 20th century ~ 0.750, 1 sapphire cabochon ~ 1,00 ct, carved quartz and obsidian, weight 21.08 g, dim.: 5,5 x 3 cm ID: 180682 Taxes and fees - In addition to the hammer price, the successful bidder agrees to pay us a buyer's premium on the hammer prices of each lot sold. On all lots we charge 20 % of the hammer price.