Lot 143. An exceptional padparadscha sapphire, turquoise and diamond ring, by Bulgari. Estimate CHF 950,000 - CHF 1,200,000 (USD 957,416 - USD 1,209,368)  & Lot 144. A rare 75.33 carats Burmese sapphire and diamond ring, by Bulgari. Estimate CHF 250,000 - CHF 350,000 (USD 251,952 - USD 352,732). © Christie's Images Ltd 2017

Lot 143. An exceptional padparadscha sapphire, turquoise and diamond ring, by Bulgari. Estimate CHF 950,000 - CHF 1,200,000 (USD 957,416 - USD 1,209,368). © Christie's Images Ltd 2017

Set with a cushion-shaped Padparadscha sapphire, weighing approximately 46.92 carats, to the raised gallery of geometrical design, set with turquoise panels and diamond line accents, 2015, ring size 6 ¼, with French assay mark for gold, in black leather Bulgari case. Signed Bvlgari, no. 262140

Accompanied by report no. 79566 dated 23 March 2015 from the SSEF Swiss Gemmological Institute stating that the origin of the Padparadscha sapphire is Ceylon (Sri Lanka), with no indications of heating, an Appendix letter stating that this Padparadscha 'shows an impressive size and weight of 46.919 ct, combined with a highly attractive pinkish orange colour and a fine purity. Its colour is further pronounced by its well-proportioned cutting style, resulting in vivid orange to pinkish orange hues due to multiple internal reflections', and a Premium Book. 

Further accompanied by the original design folder from Bulgari.

Extract from the original design folder from Bulgari

Lot 144. A rare 75.33 carats Burmese sapphire and diamond ring, by Bulgari. Estimate CHF 250,000 - CHF 350,000 (USD 251,952 - USD 352,732). © Christie's Images Ltd 2017

Set with a sugarloaf cabochon sapphire, weighing approximately 75.33 carats, to the pavé-set diamond gallery and shoulders, 2015, ring size 6 ¼, with French assay mark for gold, in black leather Bulgari case. Signed Bvlgari, no. 262141

Accompanied by report no. 81104 dated 13 July 2015 from the SSEF Swiss Gemmological Institute stating that the origin of the sapphire is Burma (Myanmar), with no indications of heating. 

Further accompanied by the original design folder from Bulgari.

Extract from the original design folder from Bulgari.

Christie's. Magnificent Jewels, 17 May 2017, Geneva