Lot 535. 'Royal Blue' Burmese sapphire and diamond bracelet, Cusi. Estimate 100,000 — 150,000 CHF. Lot sold 278,500 CHF. Photo: Sotheby's 2012 Designed as a series of graduated oval sapphires alternating with oval diamonds, length approximately 182mm,...

Lot 172. A fine 20.38 carats oval-cut Burma 'Royal Blue' sapphire and diamong ring, by Harry Winston. Estimate CHF300,000 – CHF500,000 ($438,690 - $645,132). Photo Christie's Image Ltd 2016. Set with an oval-cut sapphire, weighing approximately 20.38...

Lot 129. A 7.13 carats Kashmir 'Royal Blue' sapphire and diamond cluster ring. Sold for £506,500 (€643,640) inc. premium. Photo Bonhams. The cabochon sapphire, weighing 7.13 carats, within a surround of old brilliant-cut diamonds, diamonds approximately...

Lot 1739, Important 38.88 carats Burmese 'Royal Blue' Sapphire and Diamond Ring. Estimate 14,000,000 — 16,000,000 HKD (1,618,458 - 1,849,667 EUR). Photo Sotheby's. Centring on a cushion-shaped sapphire weighing 38.88 carats, within an openwork bombé surround...

Lot 459. Very fine 40.13 carats Mogok Burmese 'Royal Blue' sapphire and diamond ring. Estimate 780,000 — 1,360,000 CHF. Lot sold 3,190,000 CHF. Photo Sotheby's Set with a cushion-shaped sapphire weighing 40.13 carats, within a surround of marquise-shaped...

An impressive unmounted 118.88 carats Burma 'Royal Blue' sapphire. Estimate CHF3,100,000 – CHF3,600,000 ($3,197,654 - $3,713,405). Photo Christie's Image Ltd 2015 The cushion-shaped sapphire weighing approximately 118.88 carats, in blue leather fitted...

Lot 2048 . A rare 15.53 carats Burma 'Royal Blue' oval-shaped sapphire and diamond ring. Estimate 4,800,000 – HK$6,500,000 ($600,000-800,000) . Price realised HKD 7,240,000. © Christie's Image Ltd 2015 Set with an oval-shaped sapphire weighing approximately...

Lot 351. An exceptional cushion-shaped 35.09-carat Kashmir sapphire and diamond ring . Estimate CHF 3,000,000 - CHF 4,000,000. Price realised CHF 6,885,000. © Christie's Image Ltd 2015 Set with a cushion-shaped sapphire, weighing approximately 35.09 carats,...