Lot 88. A 4.77 carats Burma 'pigeon blood red' cushion-shaped ruby and diamond ring. Estimate CHF300,000 – CHF500,000 ($316,344 - $527,240). Photo Christie's Image Ltd 2016 Set with a cushion-shaped ruby, weighing approximately 4.77 carats, within a heart-shaped...

Lot 484. 'The Emperor Ruby'. Very important 7.03 carats Burma Mogok 'pigeon blood red' ruby and diamond ring. Estimate 4,800,000 — 7,680,000 CHF (4,386,797 - 7,018,875 EUR ) . Photo Sotheby's Set with a cushion-shaped ruby weighing 7.03 carats, accented...

Lot 327. An impressive set of Burmese 'Pigeon Blood Red' ruby and diamond jewellery. Estimate CHF1,500,000 – CHF2,500,000 ($1,577,640 - $2,629,400 ). Price realised CHF 1,685,000. © Christie's Image Ltd 2015 Comprising a necklace designed as twenty graduated...