Bidspirit auction | Platinum Sapphire & Diamond Cluster

Platinum Sapphire & Diamond Cluster Pendant Necklace, 16” - This petite platinum necklace features a vivid cornflower-blue sapphire framed by a radiating halo of single-cut diamonds, the star-burst cluster freely suspended from an engraved bail. The pendant is executed in high-purity Pt 900 and paired with a fine Pt 850 curb chain. Gem mounting is sound; observed wear is limited to mild metal patination and minor edge wear to the stones. Metals: Pendant cast in Pt 900; flat curb chain stamped Pt 850 Gross weight: 2.7 g Chain: Approx. 40 cm (16 in) long; spring-ring clasp with figure-eight safety ring Principal gem: One oval mixed-cut blue sapphire, ≈ 0.30 ct, medium-dark royal blue; minor facet-edge chipping visible under 10× Accent stones: Round brilliant diamonds, total ≈ 0.20 ct, colour J–K, clarity I₁–I₂ (engraved “0.20”)  Hallmarks: Bail engraved “S0.30 0.20”; chain tag struck “Pt 850”