Catalogue Auction Information

Test Live Auction (#12) 01/09/2026 3:30 PM BST

Starts Ending 01/09/2026 3:30 PM BST

Auction Info
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Lot 154 A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem report (no.: 112493) stating the stone of Mogok, Myanmar origin, with no indications of thermal treatment, dated July 2006. Please note: Unless otherwise stated, lots have been tested using an electronic tester. This is a surface test only and is not

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Estimate: £600 - £800
Starting: £550

 

  • A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem repor
  • A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem repor - 2
  • A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem repor - 3
  • A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem repor - 4
  • A purple sapphire crossover ring, featuring a cushion-cut purple sapphire of 7.1mm x 6.1mm x 4.5mm, set between bypass shoulders leading to a tapering shank, unmarked white metal testing as platinum, size N½, 6.4 grams. Accompanied by a Stalwart gem repor - 5