Platinum, Burmese Ruby and Diamond Ring. Estimate $200,000 — 300,000 (181,770 - 272,655 EUR). Photo: Sotheby's.

Centering an oval-shaped ruby weighing 4.06 carats, framed by round diamonds weighing approximately 2.50 carats, size 5¾. 

Accompanied by AGL report no. CS 66662 stating that the ruby is of Classic Burmese origin, with no indications of heating.

Sotheby's. Magnificent Jewels, New York, 21 avr. 2015, 10:00 AM