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Smoky smokey herkimer - /,
£5.99 · Buy It Now
» View details on eBay #sponsoredLoose natural white - loose, diamond
£62.88 · Buy It Now
» View details on eBay #sponsoredNatural ct certified - 1.00,
£52.81 · Buy It Now
» View details on eBay #sponsoredEngagement diamond rings igi - diamond,
£1307.27 · Buy It Now
» View details on eBay #sponsoredPcs 50ctw carat - pcs,
£17.22 · Buy It Now
» View details on eBay #sponsoredGem diamond gauge carat - diamond,
£9.18 · Buy It Now
» View details on eBay #sponsoredMoissanite round brilliant - -,
£9.99 · Buy It Now
» View details on eBay #sponsoredSingle point diamond carat - single,
£81.75 · Buy It Now
» View details on eBay #sponsoredRound cut certified loose - round,
£34.14 · Buy It Now
» View details on eBay #sponsoredCarat lab created - 10.35,
£145.00 · Buy It Now
» View details on eBay #sponsoredGenuine pandora 14k - pandora,
£29.99 · Buy It Now
» View details on eBay #sponsoredDiamond ring vs1 - diamond, round
£2907.40 · Buy It Now
» View details on eBay #sponsoredSale ct lab grown - 3.00,
£874.00 · Buy It Now
» View details on eBay #sponsoredDiamond women ring vs1 pear - ring,
£3727.44 · Buy It Now
» View details on eBay #sponsored14k rose gold - rose, diamond
£894.58 · Buy It Now
» View details on eBay #sponsoredDiamond ring marquise vs1 - vs1, 3
£5069.32 · Buy It Now
» View details on eBay #sponsoredDiamond women ring vs1 - ring, e
£4174.74 · Buy It Now
» View details on eBay #sponsoredCarat diamond ring igi lab - carat,
£2411.62 · Buy It Now
» View details on eBay #sponsoredNatural certified pink - natural,
£89.80 · Buy It Now
» View details on eBay #sponsored14k white gold carat - 14k,
£1205.90 · Buy It Now
» View details on eBay #sponsoredPcs natural white diamond - 10,
£135.22 · Buy It Now
» View details on eBay #sponsoredLot oval cut - oval, loose
£72.29 · Buy It Now
» View details on eBay #sponsoredDiamond ring vs1 pear - e, 4
£3280.15 · Buy It Now
» View details on eBay #sponsoredBest deal 30 ct - best,
£249.00 · Buy It Now
» View details on eBay #sponsoredBeautiful carat orange - 3,
£115.93 · Buy It Now
» View details on eBay #sponsored14k yellow gold halo - yellow,
£2267.56 · Buy It Now
» View details on eBay #sponsoredLot oval cut loose - 5,
£72.18 · Buy It Now
» View details on eBay #sponsoredSolitaire engagement ring - engagement,
£19.99 · Buy It Now
» View details on eBay #sponsoredCarat 14k white gold - 3, emerald
£2156.10 · Buy It Now
» View details on eBay #sponsoredDiamond gold ring for wedding - gold,
£991.23 · Buy It Now
» View details on eBay #sponsoredIgi certified lab - certified,
£446.88 · Buy It Now
» View details on eBay #sponsoredIgi certified lab grown cvd - igi,
£428.07 · Buy It Now
» View details on eBay #sponsoredDiamond ring vs1 igi - e,
£3876.54 · Buy It Now
» View details on eBay #sponsoredDesigner exclusive band - exclusive,
£2391.25 · Buy It Now
» View details on eBay #sponsoredIgi certified diamond ring - ring, e
£2981.95 · Buy It Now
» View details on eBay #sponsoredDiamond ring emerald - diamond,
£7678.54 · Buy It Now
» View details on eBay #sponsoredCarat womens diamond earring - 3,
£1239.73 · Buy It Now
» View details on eBay #sponsoredCarat diamond ring for - carat,
£1570.14 · Buy It Now
» View details on eBay #sponsoredDiamond powder polishing - powder,
£7.58 · Buy It Now
» View details on eBay #sponsoredIgi certified lab grown cvd - lab,
£428.07 · Buy It Now
» View details on eBay #sponsoredDiamond ring radiant - diamond, vs1
£2460.11 · Buy It Now
» View details on eBay #sponsoredCt round lab grown - round,
£385.99 · Buy It Now
» View details on eBay #sponsoredCarat cert agi - 1.02, cert.
£3582.82 · Buy It Now
» View details on eBay #sponsoredDiamond earring asscher - earring, cut
£1240.93 · Buy It Now
» View details on eBay #sponsoredCarat cert agi - 0.89,
£2842.11 · Buy It Now
» View details on eBay #sponsoredDiamond ring vs1 igi - ring,
£4085.28 · Buy It Now
» View details on eBay #sponsoredDiamond round ring vs1 ct - vs1,
£3354.70 · Buy It Now
» View details on eBay #sponsoredDiamond ring vs1 round - e,
£2907.40 · Buy It Now
» View details on eBay #sponsoredStunning yellow - stunning, ✨️💍
£196.81 · Buy It Now
» View details on eBay #sponsoredDiamond emerald ring vs1 igi - ring,
£6411.20 · Buy It Now
» View details on eBay #sponsored950 platinum ring lab - 950, grown
£1944.06 · Buy It Now
» View details on eBay #sponsoredAsscher cut diamond ring lab - asscher,
£916.99 · Buy It Now
» View details on eBay #sponsored14k multi tone - multi,
£1458.92 · Buy It Now
» View details on eBay #sponsoredCarat round cut - carat,
£1831.62 · Buy It Now
» View details on eBay #sponsoredDiamond oval ring vs1 - ring, igi
£5315.33 · Buy It Now
» View details on eBay #sponsoredDiamond ring for wedding lab - diamond,
£1458.92 · Buy It Now
» View details on eBay #sponsoredCvd pear cut diamond - 4.25,
£2187.23 · Buy It Now
» View details on eBay #sponsoredDiamond ring band set igi - diamond,
£4696.58 · Buy It Now
» View details on eBay #sponsoredEngagement ring diamond lab - engagement,
£1769.24 · Buy It Now
» View details on eBay #sponsoredDiamond solitaire ring vs1 - solitaire,
£3727.44 · Buy It Now
» View details on eBay #sponsoredCarat round cut - 3,
£1808.22 · Buy It Now
» View details on eBay #sponsoredCarat round cut lab - 3,
£1336.63 · Buy It Now
» View details on eBay #sponsoredDiamond ring band set round - diamond,
£2959.59 · Buy It Now
» View details on eBay #sponsoredCarat diamond studs earring - 3,
£1585.01 · Buy It Now
» View details on eBay #sponsoredCertified carat f si1 - 0.67,
£262.91 · Buy It Now
» View details on eBay #sponsoredRound diamond ring - diamond,
£6709.40 · Buy It Now
» View details on eBay #sponsoredEngagement ring lab - engagement,
£1976.95 · Buy It Now
» View details on eBay #sponsoredCarat asscher cut - 1.70, lab
£268.38 · Buy It Now
» View details on eBay #sponsoredEmerald cut diamond ring vs1 - emerald,
£6560.30 · Buy It Now
» View details on eBay #sponsoredEngagement carat pear cut - engagement,
£1639.78 · Buy It Now
» View details on eBay #sponsoredCarat vs2 certified lab - f/vs2,
£700.01 · Buy It Now
» View details on eBay #sponsoredCert carat vivid blue - carat,
£595.83 · Buy It Now
» View details on eBay #sponsored14k white gold - 14k,
£1407.75 · Buy It Now
» View details on eBay #sponsoredCarat vivid yellow brown - 0.49,
£158.63 · Buy It Now
» View details on eBay #sponsoredDiamond ring platinum lab - ring,
£1670.71 · Buy It Now
» View details on eBay #sponsoredWomen earring carat - carat, igi
£1333.49 · Buy It Now
» View details on eBay #sponsoredWedding band carat radiant - wedding,
£1449.12 · Buy It Now
» View details on eBay #sponsoredRadiant cut igi - 3.00,
£446.55 · Buy It Now
» View details on eBay #sponsoredDiamond ring for wedding - diamond,
£1568.85 · Buy It Now
» View details on eBay #sponsoredCarat vvs2 round - 0.10, d
£81.40 · Buy It Now
» View details on eBay #sponsoredCarat color princess - carat,
£115.39 · Buy It Now
» View details on eBay #sponsoredCarat vivid blue si3 - 0.61,
£168.47 · Buy It Now
» View details on eBay #sponsored499 diamond grading - 499$,
£146.17 · Buy It Now
» View details on eBay #sponsoredCarat yellow brown - 0.64,
£233.86 · Buy It Now
» View details on eBay #sponsoredCarat radiant cut - 3,
£1500.83 · Buy It Now
» View details on eBay #sponsoredCarat round cut igi - round,
£1607.69 · Buy It Now
» View details on eBay #sponsored950 platinum engagement - 950,
£2083.20 · Buy It Now
» View details on eBay #sponsoredCarat si2 round - 0.11,
£42.04 · Buy It Now
» View details on eBay #sponsoredCarat si3 round - 0.53,
£170.71 · Buy It Now
» View details on eBay #sponsoredCarat color round - color,
£280.78 · Buy It Now
» View details on eBay #sponsoredEternity band carat - band, 3
£1466.52 · Buy It Now
» View details on eBay #sponsoredCert carat canary - carat, yellow
£486.13 · Buy It Now
» View details on eBay #sponsoredCarat si3 round - i,
£158.04 · Buy It Now
» View details on eBay #sponsoredCarat igi lab created - igi,
£2118.99 · Buy It Now
» View details on eBay #sponsoredDiamond gold ring for - gold, wedding
£889.77 · Buy It Now
» View details on eBay #sponsored14k rose gold lab - 14k,
£1012.92 · Buy It Now
» View details on eBay #sponsoredLooking for more 3 carat diamond?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 3 carat diamond listings currently in our index. Prices range from £5.99 to £7678.54, with an average of £1596.81. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 3 carat diamond →
Try this: 4 carat diamond ring | 9 carat gold bangle | 9ct gold bangles | 9ct gold charms | 9ct gold ring | aaa tanzanite rings | aladdin lamp parts | alexandrite earrings | alexandrite stone | amber earrings
Whether you are looking for a brand-new or second-hand 3 carat diamond, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £5.99, while premium listings can reach £7678.54 — giving you a wide budget spread to work with. The average price of £1596.81 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.