25,000+ results for 18ct diamond rings
- 2.75 Ct Lab Created Oval Cut VVS1 H Diamond Engagement Ring White Gold 18kOpens in a new window or tabBrand New$3,554.00Free shippingFree returns
- 1.2 Ct Lab Created Marquise Cut VS1 G Diamond Engagement Ring White Gold 18kOpens in a new window or tabBrand New$2,005.00Free shippingFree returns
- 2.75 Ct Lab Created Princess Cut SI1 F Diamond Engagement Ring White Gold 18kOpens in a new window or tabBrand New$2,207.00Free shippingFree returns
- 3.5 Ct Lab Created Marquise Cut VS2 F Diamond Engagement Ring White Gold 18kOpens in a new window or tabBrand New$3,950.00Free shippingFree returns
- 18ct Yellow Gold Rare Old Chester Sapphire & Diamond Ring Not 9ct 200 Yrs Old?Opens in a new window or tabPre-Owned$286.63+$33.81 shipping estimatefrom United Kingdom
- 18ct yellow Gold & platt diamond ring bravingtons quality ring no 9ct size j1/2Opens in a new window or tabPre-Owned$184.72+$30.29 shipping estimatefrom United Kingdom
Recommended 18ct diamond rings by Brand
- 18ct Gold 9 Stone Diamond Wishbone Ring Size P Fullmarks. 3.2g All GoodOpens in a new window or tabPre-Owned$240.770 bids · Time left6d 21h+$17.83 shippingfrom United Kingdom
- 18ct Yellow Gold 3/4ct Approx Solitaire Diamond Ring With Diamond Set ShouldersOpens in a new window or tabPre-Owned$482.810 bids · Time left6d 20h+$19.11 shippingfrom United Kingdom
- 18ct Yellow Gold 5 Stone Diamond Ring Size Q Fullmarks. Diamonds White SettingOpens in a new window or tabPre-Owned$210.190 bids · Time left6d 20h+$15.29 shippingfrom United Kingdom
- Chopard Diamond 18ct White Gold Hallmarked Heart Design Happy Diamonds RingOpens in a new window or tabPre-Owned$1,770.72+$77.38 shipping estimatefrom United Kingdom
- 18ct Yellow Gold Diamond & Saphire Cluster Ring SizeP Fullmarks ALovely RingOpens in a new window or tabPre-Owned$304.460 bids · Time left6d 20h+$19.11 shippingfrom United Kingdom
- 18ct & Plat 3stone Diamond Ring Size J Stamped 18ct & Plat Center Stone .3ctOpens in a new window or tabPre-Owned$253.510 bids · Time left6d 20h+$17.83 shippingfrom United Kingdom
- 4.5 Ct 4 prong Solitaire Round Cut Diamond Engagement Ring VS2 G White Gold 18kOpens in a new window or tabBrand New$10,652.00Free shippingfrom IsraelFree returns
- 3 Ct Pave 4 Prong Round Cut Diamond Engagement Ring VVS2 F Yellow Gold 18kOpens in a new window or tabBrand New$10,718.00Free shippingfrom IsraelFree returns
- 3.9 Ct Halo Split Shank Round Cut Diamond Engagement Ring VS1 H White Gold 18kOpens in a new window or tabBrand New$7,659.00Free shippingfrom IsraelFree returns
- 1.75 Ct Classic 6 Prong Round Cut Diamond Engagement Ring SI1 F Certified 18kOpens in a new window or tabBrand New$3,165.00Free shippingfrom IsraelFree returns
- 18ct yellow gold 0.50 Natural diamond ring 5grams Vitenge RingOpens in a new window or tabPre-Owned$445.871 bid · Time left6d 19h+$25.48 shippingfrom United Kingdom
- Valuation$6830 Genuine 1.03ct Diamond Ring 18K Yellow GoldOpens in a new window or tabPre-Owned$7.313 bids · Time left4d 21h+$51.81 shippingfrom Australia
- 18CT GOLD 0.20 CT DIAMOND & SAPPHIRE LADIES RING, SIZE O.1/2. 3.07 GRAMS,Opens in a new window or tabPre-Owned$331.20+$18.46 shippingfrom United Kingdom
- 18ct White Gold Channel Set 0.73ct Diamond Half Eternity 4mm Wide Ring Size OOpens in a new window or tabPre-Owned$635.68+$38.22 shipping estimatefrom United Kingdom
- 18CT GOLD & PLATINUM SAPPHIRE & DIAMOND LADIES RING, SIZE O.1/2. 3.66,GRAMSOpens in a new window or tabPre-Owned$363.05+$18.46 shippingfrom United Kingdom
- Valuation$2740 Genuine 0.71ct Diamond Ring In 18K Yellow GoldOpens in a new window or tabPre-Owned$0.661 bid · Time left2d 21h+$42.51 shippingfrom Australia
- 18CT GOLD 0.25 CT SOLITAIRE DIAMOND HEART SHAPE LADIES RING. SIZE J, 4.16 GRAMSOpens in a new window or tabPre-Owned$490.44+$18.46 shippingfrom United Kingdom
- 18CT GOLD 0.25 CT LADIES SOLITAIRE DIAMOND ENGAGEMENT RING, 2.42 GRAMS, SIZE Q ,Opens in a new window or tabPre-Owned$363.05+$18.46 shippingfrom United Kingdom
- 18ct Yellow Gold Diamond Ring Band 0.12ct Diamonds UK Ring Size M 1/2Opens in a new window or tabPre-Owned$356.69+$16.55 shippingfrom United Kingdom
- Pearl Opal and Diamond Cluster Ring Size N 800 Gold 18CT - 19CT GoldOpens in a new window or tabPre-Owned$503.19+$44.28 shipping estimatefrom United Kingdom
- 18ct Yellow Gold & Platinum Solitaire European Cut .25 Not 9ct Beautiful K 1/2Opens in a new window or tabPre-Owned$324.84+$35.13 shipping estimatefrom United Kingdom
- 18 Ct Yellow Gold Diamond Ring 2.6 Grams .Approx 0.50cts Size LOpens in a new window or tabPre-Owned$635.68+$48.41 shipping estimatefrom United Kingdom
- 1.5 Ct Classic 4 Prong Round Cut Diamond Engagement Ring VS2 G Yellow Gold 18kOpens in a new window or tabBrand New$3,347.00Free shippingfrom IsraelFree returns
- 1.5 Ct Classic 6 Prong Round Cut Diamond Engagement Ring SI2 G Certified 18kOpens in a new window or tabBrand New$2,567.00Free shippingfrom IsraelFree returns
- 2.25 Ct Classic 6 Prong Round Cut Diamond Engagement Ring VS1 H White Gold 18kOpens in a new window or tabBrand New$6,325.00Free shippingfrom IsraelFree returns
- 2.5 Ct Halo Split Shank Pear Cut Diamond Engagement Ring VS2 G White Gold 18kOpens in a new window or tabBrand New$3,922.00Free shippingfrom IsraelFree returns
- 18ct White Gold Diamond & Sapphire Half Eternity Milgrain Stackable Band 0.09ctOpens in a new window or tabBrand New$293.00+$19.11 shippingfrom United Kingdom
- 18ct Yellow Gold Round Diamond Half Eternity Milgrain Stackable Band 0.11ctOpens in a new window or tabBrand New$535.04+$19.11 shippingfrom United Kingdom
- 18ct White Gold Diamond & Ruby Half Eternity Milgrain Stackable Band 0.09ctOpens in a new window or tabBrand New$299.37+$19.11 shippingfrom United Kingdom
- 18ct sapphire and diamond ringOpens in a new window or tabPre-Owned$2,101.94+$88.79 shipping estimatefrom United Kingdom
- 18ct yellow gold 1/3 crt princess cut diamond ring size mOpens in a new window or tabPre-Owned$445.87+$31.67 shipping estimatefrom United Kingdom
- (SO4) 18ct Yellow Gold 1.5ct Diamond Trilogy Ring Size M 3.7gOpens in a new window or tabPre-Owned$2,928.70+$117.33 shipping estimatefrom United Kingdom
- 2.5 Ct Pave 4 Prong Round Cut Diamond Engagement Ring VS1 G White Gold 18kOpens in a new window or tabBrand New$5,911.00Free shippingfrom IsraelFree returns
- 2.75 Ct Classic 6 Prong Round Cut Diamond Engagement Ring VS1 H White Gold 18kOpens in a new window or tabBrand New$7,337.00Free shippingfrom IsraelFree returns
- Diamond Solitaire Twist Ring, Diamond set Shoulders In 18ct Gold 1 Miss, Size OOpens in a new window or tabPre-Owned$291.72+$25.48 shippingfrom United Kingdom
- 18ct White Gold Round Diamond Half Eternity Milgrain Stackable Band 0.11ctOpens in a new window or tabBrand New$503.19+$19.11 shippingfrom United Kingdom
- Antique 18ct Gold Diamond Boat Ring - Five Stone Ring | UK Size - O | US 7 1/4Opens in a new window or tabPre-Owned$300.58+$34.55 shipping estimatefrom United Kingdom
- 18ct white gold diamonds ring art deco style cluster squareOpens in a new window or tabPre-Owned$291.72+$35.20 shipping estimatefrom United Kingdom
- 18 ct certified Lab Created Blue Diamond Solitaire Ring 925 Silver RingOpens in a new window or tabBrand New$280.00Free shippingfrom IndiaFree returns
- 9carat White Gold Ring With 0.18 ct Diamond Size J/2 Hallmarked BeautyOpens in a new window or tabPre-Owned$273.89+$25.73 shipping estimatefrom United Kingdom
- 18ct Yellow & White Gold Diamond Set Ring Size M- 4.1 Grams - .07 Carat DiamondOpens in a new window or tabPre-Owned$286.630 bids · Time left1d 6h$419.11Buy It Now+$26.17 shipping estimatefrom United Kingdom
- 18 ct gold second hand diamond cluster ringOpens in a new window or tabPre-Owned$1,017.85+$12.68 shippingfrom United Kingdom
- 18ct diamond solitaire ringOpens in a new window or tabPre-Owned$286.63+$26.17 shipping estimatefrom United Kingdom
- Ladies Diamond Ring 18ct Yellow Gold Solitaire 0.20ct Diamond CH891Opens in a new window or tabPre-Owned$508.29List price: $610.2017% off+$33.82 shipping estimatefrom United Kingdom
- 18ct Yellow Gold 3 Stone Diamond Ring Size P Fullmarks Central Stone .15ct ApxOpens in a new window or tabPre-Owned$253.510 bids · Time left6d 20h+$17.83 shippingfrom United Kingdom
- 18ct Gold Saphire &Diamond Cluster Ring Size M Stamped 18ct 5.3gOpens in a new window or tabPre-Owned$317.200 bids · Time left6d 19h+$19.11 shippingfrom United Kingdom
- 18ct Gold Green Tourmaline & Single Cut Diamonds Ring Size O Stamped 18ctOpens in a new window or tabPre-Owned$317.200 bids · Time left6d 23h+$17.83 shippingfrom United Kingdom
- 18ct Diamond Eternity Ring 18 Carat Yellow Gold 1992 Hallmark With CertificateOpens in a new window or tabPre-Owned$407.65+$16.55 shippingfrom United Kingdom
- 18ct/750 Yellow Gold Diamond Ring Size OOpens in a new window or tabPre-Owned$635.68+$38.22 shipping estimatefrom United Kingdom
- 18ct/750 Diamond Trilogy Ring 0.40ctOpens in a new window or tabPre-Owned$503.19+$41.92 shipping estimatefrom United Kingdom
- 18 ct GOLD second hand diamond solitaire ringOpens in a new window or tabPre-Owned$380.90+$12.68 shippingfrom United Kingdom
- Fancy Vivid Blue & Clear Diamond .18ct Trilogy Ring 14k White Gold Size LOpens in a new window or tabPre-Owned$401.28+$19.11 shippingfrom United Kingdom
- 18ct Yellow Gold 0.35ct Diamond Snowflake Cluster RingOpens in a new window or tabPre-Owned$828.04Free shippingfrom United Kingdom
- 18ct Gold Ruby & Diamond Ring Size K1/2 Fullmarks 4.5g Also 18k DiaOpens in a new window or tabPre-Owned$304.460 bids · Time left6d 20h+$19.11 shippingfrom United Kingdom
- Ladies/ Women's 18ct yellow gold engagement ring set with a diamond UK size KOpens in a new window or tabPre-Owned$726.12Free shippingfrom United Kingdom
- Tiffany & Co Diamond Wire Ring in 18ct Rose GoldOpens in a new window or tabPre-Owned$1,649.70+$73.20 shipping estimatefrom United Kingdom
- 18ct/750 Solitaire Engagement Ring 0.50ct DiamondOpens in a new window or tabPre-Owned$1,012.75+$59.50 shipping estimatefrom United Kingdom
- 18ct 18k Yellow Gold Ladies Ring With Diamonds TDW 0.11ct Size P. Brand NewOpens in a new window or tabBrand New$697.46+$13.95 shippingfrom Australia
- Vintage 18ct Gold and Diamond Engagement Ring - 18K / UK - L 1/2 / US - 6Opens in a new window or tabPre-Owned$227.96+$29.22 shipping estimatefrom United Kingdom
- (SO4) 18ct Yellow Gold Approx. 0.35ct Diamond Half Eternity Ring Size O 1/2 4.1gOpens in a new window or tabPre-Owned$750.33+$42.17 shipping estimatefrom United Kingdom
- 18 ct diamond cluster ringOpens in a new window or tabPre-Owned$350.32+$37.29 shipping estimatefrom United Kingdom
- 18ct White Gold 0.55ct Diamond Cluster Ring, UK size SOpens in a new window or tabPre-Owned$732.49+$41.55 shipping estimatefrom United Kingdom
- 18CT WHITE GOLD DIAMOND SOLITAIRE RING - 0.50 CARATS - FOREVER DIAMONDOpens in a new window or tabPre-Owned$1,012.75+$12.74 shippingfrom United Kingdom15 watchers
- Diamond Ring Size i 18ct White Gold & 9ct GoldOpens in a new window or tabPre-Owned$573.24+$36.05 shipping estimatefrom United Kingdom
- 18CT White Gold Diamond Solitaire RingOpens in a new window or tabNew (Other)$1,273.90+$12.74 shippingfrom United Kingdom
- 18ct Yellow Gold 0.15ct Diamond Solitaire Ring CH793Opens in a new window or tabPre-Owned$350.32List price: $375.807% off+$28.37 shipping estimatefrom United Kingdom
- (NE6)18ct Yellow Gold 0.25ct Princess Cut Diamond Solitaire Ring Size L 1/2 3.0gOpens in a new window or tabPre-Owned$508.29+$33.82 shipping estimatefrom United Kingdom
- Pair of 18 Ct Yellow Gold & Diamond Interlocking RingsOpens in a new window or tabPre-Owned$541.41+$43.36 shipping estimatefrom United Kingdom
- 2.8 Ct Pave Halo Round Cut Diamond Engagement Ring SI2 H White Gold 18kOpens in a new window or tabBrand New$3,422.00Free shippingfrom IsraelFree returns
- 1.15 Ct Pave Halo Pear Cut Diamond Engagement Ring VS1 H White Gold 18kOpens in a new window or tabBrand New$1,134.00Free shippingfrom IsraelFree returns
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