Marquise Solitaire Diamond Platinum Engagement Ring, .50 CT, 3.43 GramsChairish Auctions4.5(10.3k)$750
GIA Certified 2.41ct natural cushion cut baguettes diamond ring platinum E/Vs2Chairish Auctions4.5(10.3k)$5,500
GIA Fancy Yellow Marquise Diamond Halo Engagement Ring Platinum 1.99 CTWChairish Auctions4.5(10.3k)$6,000
Marquise Halo Diamond Engagement Ring EGL Certified 14K White Gold, 1.95 CTWChairish Auctions4.5(10.3k)$6,000
1.33ct vintage class old mine cut natural diamond engagement ring platinum+Chairish Auctions4.5(10.3k)$3,000
GIA Marquise Diamond Three Row Engagement Ring 14K White Gold, 2.44 CTWChairish Auctions4.5(10.3k)$15,000
Pear Shape Lab-Created Diamond Engagement Ring 14K Yellow Gold, 5.21 CTChairish Auctions4.5(10.3k)$2,800
LAB-GROWN 3.7 CARAT MARQUISE D-VVS2 DIAMOND 14K YELLOW GOLD 3 STONES RINGModern Jewelry4.5(204)$5,600Mar 03, 2026
Stunning Platinum 1.55ct Marquise Diamond Ring with Halo AccentsMynt Auctions4.4(823)$4,7502 days Left
Certified 2.5 Ct -Marquise Cut Lab Grown Diamond D VVS1 Engagement Ring 14KT Solid White GoldForever Diamond4.3(3)$50Mar 06, 2026
Rachel Koen 1.44Ctw GIA Certified Marquise Lab Grown Diamond Engagement Ring 14K Yellow GoldBidhaus4.2(837)$1005 days Left
SoldPlatinum and Marquise Diamond RingPlatinum and marquise cut diamond ring, diamond 3.04 ct, F color, VS1 clarity, ring size 5 3/4. With GIA report. Provenance: Manchester, Massachusetts collection. PLEASE NOTE: payment for silver, goldSee Sold Price
SoldPlatinum Marquise Diamond Sapphire RingMetal : Platinum Designer : Not Signed Gemstone : Center marquise diamond approx. 0.42ct Si/I-J, Side diamonds approx. 0.06ctw, Sapphires. Measurements : Ring size 6.75, top is 15mm x 11mm. MaSee Sold Price
PLATINUM RUBY MARQUISE & DIAMOND RINGset with a center marquise ruby approx. 11x6mm, flanked with 2 ruby baguettes each approx. 3x1.5mm, and accented with 12 round diamonds approx. 0.25 carats, stamped 'PLAT', tests platinum, overall gooSee Sold Price
SoldPlatinum Marquise Diamond Engagement RingMETAL: Platinum. GEMSTONES: Center marquise cut diamond approx. 0.75ctw. Two baguette diamonds. MEASUREMENTS: Ring size 6, top is 10mm. Sharm prongs - need polishing. MARKED: 10% Irid Plat 0.75 Ds. WESee Sold Price
SoldPlatinum Marquise Diamond Engagement RingPlatinum Weight 4.18g Marquise Diamond Approx. 0.75ct VS1-H Engagement Ring Size 4 Measurements 0.39”x0.74” See Sold Price
SoldJEWELRY. Platinum and Marquis Diamond Ring.Platinum engagement ring displaying a central marquis cut diamond flanked by a total of (6) accent diamonds. A total of (5) Old European cut diamonds and (1) presumably replaced single cut diamond. MaSee Sold Price
SoldPlatinum Marquise Diamond Half Band RingMETAL: Platinum. MEASUREMENTS: Ring size 6, top is 6.6mm wide. GEMSTONES: Diamonds approx. 1.00ctw. MARKED: Plat. WEIGHT: 11.3 grams.Gemstones have not been graded for color and clarity ,and tested foSee Sold Price
SoldEstate Platinum & Marquise Cut Diamond Band RingEstate Platinum & Marquise Cut Diamond Band Ring. Hallmarked. Having three marquis cut white diamonds across top. Ring size 6, can be resized. Weighs approximately 3.3 grams inclusive.See Sold Price
SoldPlatinum Marquis 5CT Diamond Solitaire RingMarquis diamond color H, clarity I1 weighing approximately 5.04ct thick faceted girdle set in a heavy 6 prong basket head with 2 trillion cut diamonds 3 prong set 1 down each shoulder H color SI1 clarSee Sold Price
SoldLadies' Platinum and Marquis Cut Diamond RingLadies' ring, platinum and diamonds, one marquis cut center stone, .33 carats, with twelve .66 carat baguette stones, size 8, approximately 11 grams TW. Provenance: From a Massachusetts estate.See Sold Price
SoldPlatinum 1.60ctw Vintage Marquise Diamond Cocktail RingThis Art Deco ring showcases marquise cut diamonds that alternate with round brilliant cut diamonds, bead and bezel set in brightly polished platinum. The slim band of the ring accentuates the uniqueSee Sold Price
SoldLadies Art Deco 1 Ct TW Marquise Diamond Platinum RingLadies Art Deco diamonds ring. Crafted of platinum. Features an approximately .70 carat bezel set marquise cut diamond with a halo of single cut diamonds. Size 3. Signed 10% IRID PLAT. Center diamondSee Sold Price
SoldPLATINUM MARQUISE CUT RUBY AND DIAMOND RING, RUBYPLATINUM MARQUISE CUT RUBY AND DIAMOND RING, RUBY WEIGHS APPROXIMATELY 1.03 CTS; APPROXIMATE DIAMOND TWT 0.52 CTS; RING SIZE 7 1/4; GROSS WEIGHT 9.0 GRAMSSee Sold Price
SoldPlatinum Marquise Cut Diamond Graduated Eternity Band RingDiamonds weighing approx. 3.90 ctw. Ring size 4 1/4, width 11.5mm at widest point. 6 grams. Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless sSee Sold Price
SoldPlatinum Aqua Diamond Marquise RingPlatinum Weight 4.5g Aqua Approx. 1.97ct Diamond Approx. 0.45ct Marquise Ring Size 7 Measurements 0.89”x0.74”See Sold Price
SoldPlatinum and diamond ladies ringplatinum ring with five small marquis diamonds, ring size 6.75See Sold Price
SoldPlatinum GIA Certified 2.28ctw Burma Ruby Marquise Diamond RingPlatinum GIA Certified 2.28ctw Burma Ruby Marquise Diamond Ring This exquisite cocktail ring is crafted in solid platinum and features a stunning marquise-cut Burma ruby, weighing 1.06 carats, known fSee Sold Price
SoldPlatinum Aqua Diamond Marquise Shaped RingPlatinum Weight 11.51g Aqua Approx. 16.58ct Diamond Approx. 0.90ct Marquise Shaped Ring Size  7.5 Measurements 1.3”x0.8”See Sold Price
SoldPlatinum Marquise Pink Tourmaline and Trillion Cut Diamond RingMetal type: Platinum, Gemstones: 1.31cts marquise pink tourmaline and .31ctw diamond, Size: US 6.25, Weight: 4.4 gramsSee Sold Price
SoldA Ladies Platinum and 3.07 Carat Marquise-Cut Diamond Ring, GIA CertifiedA Ladies Platinum and 3.07 Carat Marquise-Cut Diamond Ring, GIA Certified A ladies platinum ring featuring a prominent 3.07 carat marquise brilliant-cut diamond with clarity characteristics that incluSee Sold Price
SoldPlatinum And Diamond Edwardian Style Ring Sz. 8Edwardian diamond ring set in Platinum. Marquis shaped center diamond. Estate found, physical inspection always encouraged.Size 8 T.w: 3.54 gramsSee Sold Price
Sold1.40ct. MARQUISE & ROUNDS DIAMOND RING & INSERT PLATINUM VS+.60ct. Marquise diamond Full cut brilliant Obsolete sparkle and scintillation. H-color Vs-2 clarity. 7.5 X 4.6mm Side, (2) baguette diamonds: .30ct. H-color Vs-2 clarity. Platinum Mount. Ring size: 6See Sold Price
Platinum Diamond Art Deco RingPlatinum diamond ring with marquis, trillion and round cut diamonds, approx. 2 ctw, size 7, 2.6 DWT.See Sold Price
Platinum Diamond Art Deco RingPlatinum diamond ring with marquis, trillion and round cut diamonds, approx. 2 ctw, size 7, 2.6 DWT.See Sold Price
