Lot 544 , Monture Mauboussin, a sapphire and diamond cluster ring

Monture Mauboussin, a sapphire and diamond cluster ring, claw-set with an oval sapphire weighing approximately 3.00 carats, within a border of brilliant-cut diamonds totalling approximately 1.50 carats, mounted in gold, size O1/2, signed Mtre Mauboussin, numbered 33306, French assay marks for 18ct gold, maker's mark for Mauboussin, gross weight approximately 6 grams

Accompanied by GCS report no. 5785-3195, stating that the sapphire measuring approximately 9.7 x 6.9 x 4.7mm and weighing approximately 3.00 carats is of Myanmar (Burma) origin, with no indications of heat treatment
£8,000-12,000

Condition:
Beautiful ring, very well made as expected from Mauboussin. Sapphire a pretty, well-saturated blue with very good clarity, in good condition, with only very minor wear, one tiny chip to girdle, only visible under magnification, lively cut with good depth of colour and minimal windowing. Diamonds bright and lively, good colour and clarity grades, well-matched, in good condition.

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