A platinum sapphire ring. The multi-colour square-shape
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Platinum 0.80ctw Square Blue Sapphire Diamond Halo Ring2 days LeftPlatinum 0.80ctw Square Blue Sapphire Diamond Halo Ring3 days LeftArt Deco Sapphire and Diamond 18 Carat and Platinum Cluster RingPLATINUM VINTAGE BALLERINA RING 7.78CT.NATURAL BLUE SAPPHIRE OVAL SHAPEOct 5, 2026VINTAGE PLATINUM BLUE SAPPHIRE ENGAGEMENT RING 3.36CT EMERALD CUT DIAMOND ACCENTOct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 12.58CT. GEM LAB GROWN BLUE SAPPHIRE OVAL CUTOct 5, 2026PLATINUM ENGAGEMENT RING 6.64CT.NATURAL UNTREATED BURMA SAPPHIRE RADIANT SHAPEOct 5, 2026CATHY WATERMAN MULTI COLOR SAPPHIRE PLATINUM NECKLACE ESTATE JEWELRYOct 12, 2026PLATINUM VINTAGE ENGAGEMENT RING 9.43CT.NATURAL BLUE SAPPHIRE PEAR CUT GIA CERTOct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 4.53CT. YELLOW SAPPHIRE RADIANT SHAPEOct 5, 2026PLATINUM VINTAGE ENGAGEMENT RING 1.95CT. NATURAL BLUE SAPPHIRE OVAL SHAPEOct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.03CT. NATURAL BLUE SAPPHIRE RADIANT SHAPEOct 5, 2026PLATINUM VINTAGE ENGAGEMENT RING 4.52CT.GEM BLUE SAPPHIRE ROUND SHAPE CIRC 1930'Oct 5, 2026VINTAGE PLATINUM FILIGREE RING 1.59CT. NATURAL BLUE SAPPHIRE OVAL SHAPEOct 5, 2026VINTAGE FILIGREE PLATINUM RING 1.28CT. NATURAL BLUE SAPPHIRE CABOCHON SHAPEOct 5, 2026PLATINUM ENGAGEMENT RING 7.59CT. NATURAL GEM BLUE SAPPHIRE OVAL CUTOct 5, 2026 
