Lot 149. A 14.53 carats Sri Lankan sapphire and diamond ring, mounted by Boucheron. Estimate £ 100,000 - 150,000 ( € 120,000 - 170,000) . © Bonhams 2001-2019. The cushion-shaped sapphire, weighing 14.53 carats, between baguette-cut diamond shoulders,...

Lot 191. A 18.65 carats Sri Lankan sapphire and diamond ring, by Harry Winston. Estimate £ 60,000 - 80,000 (€ 70,000 - 93,000). © Bonhams 2001-2019. The cushion-shaped sapphire, weighing 18.65 carats, within a crossover surround pavé-set with brilliant-cut...

Lot 120. A 33.03 carats Sri Lankan sapphire and diamond ring. Estimate: US$250,000.00 - US$350,000.00 ( € 220,000 - 310,000) . © Bonhams. centering a rectangular-shaped emerald-cut sapphire, weighing 33.03 carats, flanked by baguette-cut diamonds; estimated...

Lot 120. A 33.03 carats Sri Lankan sapphire and diamond ring. Estimate: US$250,000.00 - US$350,000.00 ( € 220,000 - 310,000) . © Bonhams. centering a rectangular-shaped emerald-cut sapphire, weighing 33.03 carats, flanked by baguette-cut diamonds; estimated...

Lot 78. A 23.54 carats Sri Lankan sapphire and diamond ring, by Sterlé, circa 1960. Estimate £ 25,000 - 35,000 ( € 28,000 - 39,000 ) . Sold for £ 25,000 (€ 28,098). © Bonhams 2001-2018 The cushion-shaped sapphire, weighing 23.54 carats, set within an...

Lot 1712. 19.00 carats Sri Lankan Sapphire and Diamond Ring. Estimate 680,000 — 880,000 HKD . Photo Sotheby's. Set with an oval sapphire weighing approximately 19.00 carats, within a pear-shaped diamond surround, weighing approximately 1.60 carats in...

Lot 1790. Gem-set and Diamond Dragon Bracelet, Early 20th Century. Estimate HK$640,000 – 800,000 / US$82,500 – 104,000. Photo: Sotheby's. HONG KONG .- Sotheby’s Hong Kong Important Jewels and Jadeite sale will take place on 28 November at Sotheby’s Hong...

Lot 1772. 16.57 carats Sri Lankan Sapphire and Diamond Ring, Harry Winston. Estimate 1,300,000 — 1,700,000 HKD. Photo: Sotheby's. Set with a cushion-shaped sapphire weighing 16.57 carats, decorated with calf-head-cut diamond weighing approximately 1.20...