May 17, 2026CARTIER DIAMOND SEMI MOUNT RING 18K WHITE GOLD TRILLION G VS1 VINTAGE SETTINGEst. $14,773-$16,511$12,000Modern JewelryValley Village, CA
Buy NowHeart Pave Diamond Engagement Ring Setting Mounting 14K Pink Rose Gold .45 CTW$1,916Chairish AuctionsNew York, NY
May 17, 2026PLATINUM SEMI MOUNT RING WITH 1.48 CARAT PEAR SHAPED DIAMOND FITS 10.04X10.10 MMEst. $13,821-$15,447$11,250Modern JewelryValley Village, CA
Buy NowBaguette Channel-Set Diamond Platinum Engagement Ring Setting Mounting, 1.08 CTW$2,556Chairish AuctionsNew York, NY
May 17, 20263.25 CARAT BAGUETTE AND ROUND BRILLIANT DIAMOND PLATINUM SEMI MOUNT RINGEst. $13,600-$15,200$11,000Modern JewelryValley Village, CA
May 17, 20262.20 CARAT ROUND INTENSE FANCY YELLOW DIAMOND 18K YELLOW GOLD SEMI MOUNT RINGEst. $11,696-$13,072$9,600Modern JewelryValley Village, CA
May 31, 202614K WHITE GOLD SEMI MOUNT HOLDS 1.00CT OVAL DIAMOND ENGAGEMENT RING MOUNTINGEst. $1,521-$1,700$1,250Modern JewelryValley Village, CA
May 17, 2026PLATINUM SEMI MOUNT RING WITH 0.94 CARAT TRAPEZOID GIA DIAMONDS FITS 8.11X6.35MMEst. $11,679-$13,053$9,600Modern JewelryValley Village, CA
May 31, 2026ANTIQUE PLATINUM SEMI-MOUNT DIAMOND ENGAGEMENT RING MOUNTINGEst. $1,181-$1,320$970Modern JewelryValley Village, CA
Buy NowPrincess Channel-Set Diamond Engagement Ring Mounting 14K White Gold .65 CTW$1,276Chairish AuctionsNew York, NY
May 17, 20263.06 CARAT ROUND BRILLIANT AND BAGUETTE SHAPE DIAMOND PLATINUM SEMI MOUNT RINGEst. $10,098-$11,286$8,300Modern JewelryValley Village, CA
May 17, 20264.00 CARAT BAGUETTE AND ROUND BRILLIANT DIAMOND PLATINUM SEMI MOUNT RINGEst. $11,951-$13,357$9,800Modern JewelryValley Village, CA
Buy NowPrincess Diamond Step Engagement Ring Setting Mounting 18K White Gold 1.25 CTW$1,436Chairish AuctionsNew York, NY
Buy NowCushion Halo Diamond Engagement Ring Setting Mounting 18K White Gold, 1.05 CTW$2,396Chairish AuctionsNew York, NY
Buy NowTapered Baguette Diamond Engagement Ring Setting Mounting Platinum .30 CTW$1,276Chairish AuctionsNew York, NY
Buy NowPave Baguette Diamond Engagement Ring Setting Mounting 14K White Gold, 2.45 CTW$2,716Chairish AuctionsNew York, NY
Buy NowBaguette Round Diamond Engagement Ring Setting Mounting 14K White Gold, .35 CTW$636Chairish AuctionsNew York, NY
Buy NowPear Halo Diamond Engagement Ring Setting Mounting 18K White Gold 1.21 CTW$2,716Chairish AuctionsNew York, NY
May 17, 20260.62 CARAT BAGUETTE SHAPE & ROUND BRILLIANT DIAMOND PLATINUM SEMI MOUNT RINGEst. $11,050-$12,350$9,100Modern JewelryValley Village, CA
May 17, 20263.00 CARAT ROUND BRILLIANT H SI1 DIAMOND PLATINUM SEMI MOUNT RINGEst. $10,727-$11,989$8,800Modern JewelryValley Village, CA
May 17, 2026PLATINUM SEMI MOUNT RING WITH 0.93 CARAT PENTAGONAL GIA DIAMONDS FITS 10.8X9.9MMEst. $10,523-$11,761$8,600Modern JewelryValley Village, CA
May 31, 2026950 PLATINUM SEMI-MOUNT HOLDS 1.00CT DIAMOND ENGAGEMENT 6 PRONG RING MOUNTINGEst. $1,351-$1,510$1,100Modern JewelryValley Village, CA
Buy NowRound Pave Milgrain Diamond Engagement Ring Setting Mounting Platinum .24 CTW$956Chairish AuctionsNew York, NY
May 17, 2026PLATINUM SEMI MOUNT RING WITH 1.42 CARAT DIAMONDS FITS 14.1X8.8MM CENTER STONEEst. $11,152-$12,464$9,100Modern JewelryValley Village, CA