Adam's Fine Jewellery & Watches 14th May 2024

T uesday 14 th M ay 2024 . S tarting at 4 pm 92 130 A DIAMOND PENDANT ON CHAIN The fine cable-link chain suspending a fancy-shaped diamond between two brilliant-cut diamonds, of brown tint, chain mounted in 18K gold, diamonds approximately 8.47cts, pendant length 3.3cm, chain length 39.5cm € 9,000 - 11,000 131 A RARE TOURMALINE RING The oval-shaped dravite tourmaline weighing approximately 8.50cts, within a four-claw setting, mounted in 18K gold, with maker’s mark ‘JB’, French assay mark, ring size O½ € 1,200 - 1,800 Although seldom seen in jewellery due to the absence of sizable, transparent crystals, dravites holds significant appeal for gem enthusiasts. Dravite’s can be found across nu- merous locales, including Australia, Slovenia, Italy, Switzerland, Russia, Nepal,Vietnam, Sri Lanka, Brazil, Tanzania, and the United States. Notably, dravite possesses a hardness favourable to jewellery crafting, offering the potential to become a captivating, faceted gemstone worthy of admiration. It is a member of the tourmaline family and is charac- terized by its rich hues ranging from brown to brownish black, occasionally transitioning into dark yellow or dark orange-brown. Exhibiting a lustre that ranges from transparent to opaque. Often referred to as "brown tourmaline," dravite name pays homage to its initial discovery along the Drava River in southern Central Europe by GustavTschermak in 1884.