TOURMALINE AND DIAMOND RING 天然碧璽配鑽石戒指 Certificate: SIG, tourmaline, natural, 11.62cts, bluish green, application of heat treatment is indeterminable (SIG26080152, 13 August 2026) Tourmaline: stamped 11.62cts Metal: 18 karat white gold Ring size: 6¼ Gross weight: 9.0g Footnotes: CONDITION REPORT In excellent condition. Tourmaline: Of bluish green colour, in medium intense tone and strong saturation. Loupe-clean clarity. Upon closer inspection, a minor nick on the crown facet and minute abrasions on the edges of the girdle can be spotted, but not affecting the overall appearance. Diamonds: Approximate total weight: 1.30cts Approximate colour and clarity: G-H colour, VS-SI clarity. Graded mounted. Additional Information: Metal: stamped 750 Condition reports are prepared by Bonhams specialists and represent subjective opinions only. References to certificates issued by gemmological laboratories are provided solely for the information of bidders; Bonhams does not guarantee and accepts no liability for their accuracy or findings. Prospective buyers are responsible for inspecting lots independently prior to bidding. All lots are offered and sold 'AS IS' in accordance with the Conditions of Sale. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing