Lot 86. 7.49 carats Red spinel and diamond ring. Estimate HK$78,000 - 158,000 (US$10,000 - 20,250). Photo Tiancheng International

Centring on a cushion-shaped red spinel weighing 7.49 carats, surrounded by marquise-shaped diamonds together weighing approximately 2.55 carats, mounted in platinum. Ring size: 6½ 

Accompanied by GIA report numbered 1253482831, dated 19 April 2017, stating that the 7.49 carat spinel is natural, Red colour, with no indications of heating.

Tiancheng International. MID-SEASON AUCTION, Jewellery and Jadeite, 2 Oct 2017 · 1 pm