Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 2.40CT. NATURAL UNTREATED OVAL RUBY GIA CERTEst. $13,515-$15,105$11,000Valley Village, CAModern Jewelry4.5(221)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 7.05CT. LAB-GROWN BLUE SAPPHIRE OVALEst. $5,865-$6,555$4,800Valley Village, CAModern Jewelry4.5(221)
Sep 29, 20261.58ct Emerald and 0.66ctw Diamond Platinum RingEst. $6,990-$11,990$2,000Miami, FLRedland Realty & Auction
4 days LeftAntique Edwardian 18K Gold Platinum Diamond Bypass Ring 0.25ctwEst. $1,850-$2,196$890New York, NYDiamond Depot4.3(16)
Sep 29, 20260.94ct Diamond and 0.85ctw Ruby Platinum Ring (1.53ctw Diamonds)Est. $7,265-$12,265$1,000Miami, FLRedland Realty & Auction
4 days LeftArt Deco Platinum Earrings 20 Carat Diamond Chandelier DesignEst. $59,916-$71,121$21,500New York, NYDiamond Depot4.3(16)
Oct 5, 2026PLATINUM & 18K YELLOW GOLD 1.89CT. NATURAL AQUAMARINE CUSHION ENGAGEMENT RINGEst. $3,145-$3,515$2,550Valley Village, CAModern Jewelry4.5(221)
Oct 5, 2026PLATINUM ENGAGEMENT RING 6.09CT. NATURAL GEM RUBY PEAR SHAPE GRS CERTEst. $55,250-$61,750$45,500Valley Village, CAModern Jewelry4.5(221)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.03CT. NATURAL BLUE SAPPHIRE RADIANT SHAPEEst. $3,995-$4,465$3,250Valley Village, CAModern Jewelry4.5(221)
Buy NowPlatinum GIA Certified 0.93ct Color Change Alexandrite 5 Stone Band Ring$4,740New York, NYBidhaus4.2(881)
2 hrs LeftAntique Art Deco Platinum Diamond Sapphire Filigree Ring 0.27ct DiamondEst. $3,222-$3,825$1,550New York, NYDiamond Depot4.3(16)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.68CT. BLUE SAPPHIRE RADIANT SHAPE CIRC 1930'Est. $3,315-$3,705$2,700Valley Village, CAModern Jewelry4.5(221)
4 days LeftGIA Certified 18K Gold Platinum Rubellite Tourmaline Diamond Navette BroochEst. $15,384-$18,261$4,700New York, NYDiamond Depot4.3(16)
Oct 18, 2026PLATINUM & 14K WHITE GOLD RING, 1.5CTS OF DIAMONDS ( SIZE: 8.75 ) 5.3GEst. $3,739-$4,179$3,050Valley Village, CAModern Jewelry4.5(221)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 12.30CT. NATURAL BLUE SAPPHIRE RADIANT GIA CERTEst. $28,050-$31,350$23,000Valley Village, CAModern Jewelry4.5(221)
4 days LeftPlatinum Cocktail Ring Featuring 6.33ct Oval Aquamarine and Diamond AccentsEst. $3,970-$4,713$1,900New York, NYDiamond Depot4.3(16)
Oct 5, 2026PLATINUM VINTAGE ENGAGEMENT RING 4.52CT.GEM BLUE SAPPHIRE ROUND SHAPE CIRC 1930'Est. $6,545-$7,315$5,300Valley Village, CAModern Jewelry4.5(221)
4 days LeftVintage Platinum GIA Certified 25.15ct Colombian Emerald Diamond RingEst. $41,247-$48,960$13,250New York, NYDiamond Depot4.3(16)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 6.53CT. LAB GROWN RUBY PEAR SHAPEEst. $7,225-$8,075$5,900Valley Village, CAModern Jewelry4.5(221)
Sep 30, 2026GIA Certified 51.68ct Sapphire Ruby Diamond Double Leaf Brooch in Platinum 18k GoldEst. $37,900-$44,987$14,500New York, NYDiamond Depot4.3(16)
4 days LeftPink Sapphire Diamond Platinum Bypass Ring 6.5Est. $4,573-$5,429$2,200New York, NYDiamond Depot4.3(16)
Oct 5, 2026VINTAGE PLATINUM ENGAGEMENT RING 4.51CT.LAB GROWN BLUE SAPPHIRE ROUND SHAPEEst. $6,545-$7,315$5,300Valley Village, CAModern Jewelry4.5(221)