Ten brilliant-cut diamonds in the surround, totaling 5.92 carats
Platinum
Size 5¼
(11.14-carat Sapphire) Gübelin report, numbered 13116036, dated 19 November 2017, Burma, no indications of heating. GIA report, numbered 1167172721, dated 30 October 2017, Burma, no indications of heating, "royal blue" colour.
(Ten Diamonds, each 0.60 to 0.58 carat) Ten GIA reports, F to G colour, VVS2 to VS2 clarity, Excellent Cut.