Burma and Basaltic sapphire and diamond necklace and bracelet by Bvlgari. Photo Christie's Image Ltd 2015

Pair of sapphire and diamond brooches. Photo Christie's Image Ltd 2015

Pair of sapphire and diamond brooches. Photo Christie's Image Ltd 2015

Sapphire and diamond ring. Photo Christie's Image Ltd 2015

Comprising a graduated necklace set with oval-shaped sapphires between circular-cut diamond line borders, 40.0 cm; a bracelet en suite, 16.4 cm; a ring, centering a cushion-shaped sapphire, between baguette-cut diamond shoulders, to the pavé-set diamond surround, ring size 3½; a pair of earrings, of double cluster design, set with circular-cut sapphires within diamond surrounds, 2.0 cm; and a pair of brooches, each centering a sapphire and diamond oval cluster, within a sapphire and diamond openwork surround, 2.5 cm; in blue leather Bulgari case. (6). Estimate CHF80,000 – CHF120,000 ($80,584 - $120,876)

Necklace and bracelet signed Bvlgari 

Necklace and bracelet accompanied by report no. 80633 dated 18 June 2015 from the SSEF Swiss Gemmological Institute stating that the origin of 104 sapphires is Burma (Myanmar), and that the origin of 4 sapphires is a Basaltic deposit, with no indications of heating, except one sapphire on the necklace. 

Christie's. GENEVA MAGNIFICENT JEWELS, 10 November 2015, Geneva