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Lot 1864. Very Rare and Important 5.14 carats Type IIb, SI1 Clarity Fancy Deep Blue Diamond Ring. Estimate 55,000,000 — 75,000,000 HKDhoto: Sotheby's.

Set with a pear-shaped fancy deep blue diamond weighing 5.14 carats, mounted in 18 karat white gold. Ring size: 6

Accompanied by GIA report numbered 2175295375, dated 25 September 2015, stating that the 5.14 carat diamond is natural, Fancy Deep Blue Colour, SI1 Clarity; also accompanied by a diamond type classification report stating that the diamond is determined to be a Type IIb diamond.

Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 03 oct. 2017, 01:30 PM