3 carat diamond
3 carat diamond for sale on Ireland's largest auction and classifieds sites
9ct white gold lab grown - 9ct, - £1195.00
Certification wgi beautifully • Crafted brilliant cut • Lab created diamond - Free postage - New and Used
Certification wgi beautifully • Crafted brilliant cut • Lab created diamond - Free postage - New and Used
Natural ct certified - ct, - £52.40
Due lighting effects • Shooting angles there • Color difference product - Free postage - New and Used
Due lighting effects • Shooting angles there • Color difference product - Free postage - New and Used
Natural certified pink - natural, 1.01 - £89.24
Due lighting effects • Shooting angles there • Color difference product - Free postage - New and Used
Due lighting effects • Shooting angles there • Color difference product - Free postage - New and Used
Carat lab created diamond - 2.44, - £65.00
This item ice • White big impact • Finger set platinum - Free postage - New and Used
This item ice • White big impact • Finger set platinum - Free postage - New and Used
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Platform art deco0 - art, carat - £567.70
This platform art • Deco 0.60 carat • Diamond solitaire ring - Free postage - New and Used
This platform art • Deco 0.60 carat • Diamond solitaire ring - Free postage - New and Used
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48 listings · from £5.99 · avg £2133.79
⚠️ These listings were last updated more than 15 days ago.
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Browse 48 3 carat diamond listings currently in our index. Prices range from £5.99 to £22169.66, with an average of £2133.79. 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 →
18k yellow gold aaa - yellow, - £593.20
Stunning 3.8 carat • Aaa tanzanite 0.19 • Diamond yellow gold - Free postage - New and Used
Stunning 3.8 carat • Aaa tanzanite 0.19 • Diamond yellow gold - Free postage - New and Used
Natural carat princess - natural, - £1400.00
Natural princess diamond • Half eternity ring • Weight 1.00 carat - Free postage - New and Used
Natural princess diamond • Half eternity ring • Weight 1.00 carat - Free postage - New and Used
Smoky smokey herkimer - smoky, - £5.99
They help tuning • Healer patient - Free postage - New and Used
They help tuning • Healer patient - Free postage - New and Used
Carat natural round cut - carat, - £1325.00
This elegant3.20 carat • Natural round cut • Diamond tennis bracelet - Free postage - New and Used
This elegant3.20 carat • Natural round cut • Diamond tennis bracelet - Free postage - New and Used
Diamond solitaire ring vs1 - diamond, - £3325.44
Diamond rings • Vs1 clarity color • Securely mounted 18k - Free postage - New and Used
Diamond rings • Vs1 clarity color • Securely mounted 18k - Free postage - New and Used
Gem diamond gauge carat - -, - £9.18
Gem diamond gauge • Carat estimator - Free postage - New and Used
Gem diamond gauge • Carat estimator - Free postage - New and Used
395 carat lab created - 4.395, - £65.00
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
Carat lab created diamond - created, - £55.00
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
Carat lab created diamond - 21.6, - £155.00
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
This refers how • Free from imperfections • Diamond understand most - Free postage - New and Used
Carat asscher lab grown - asscher, - £1267.18
Lab grown diamond • Shape asscher stone • Eco friendly conflict - Free postage - New and Used
Lab grown diamond • Shape asscher stone • Eco friendly conflict - Free postage - New and Used
Carat oval cut - oval, grown - £1565.34
Lab grown diamond • Eco friendly conflict • Ring total carat - Free postage - New and Used
Lab grown diamond • Eco friendly conflict • Ring total carat - Free postage - New and Used
Carat oval cut - oval, grown - £1490.80
Lab grown diamond • Eco friendly conflict • Ring total carat - Free postage - New and Used
Lab grown diamond • Eco friendly conflict • Ring total carat - Free postage - New and Used
Carat elongated cushion cut - elongated, - £1267.18
Lab grown diamond • Eco friendly conflict • Shape cushion cut - Free postage - New and Used
Lab grown diamond • Eco friendly conflict • Shape cushion cut - Free postage - New and Used
Stone diamond engagement - 3, - £1352.65
Color stones change • White topaz blue • Sapphire ruby etc - Free postage - New and Used
Color stones change • White topaz blue • Sapphire ruby etc - Free postage - New and Used
Blue nile 46ct vs1 - e, - £931.12
Original blue nile • Ring box clarity • Gia certificate polish - Free postage - New and Used
Original blue nile • Ring box clarity • Gia certificate polish - Free postage - New and Used
Princess cut 00carat - cut, diamond - £136.99
Here quick comparison • Few facts about • Diamonds signity diamond - Free postage - New and Used
Here quick comparison • Few facts about • Diamonds signity diamond - Free postage - New and Used
Grayish black color diamond - grayish, - £366.84
Photos related item • You have ordered • Are meant only - Free postage - New and Used
Photos related item • You have ordered • Are meant only - Free postage - New and Used
Best seller 4 ct round - 1/4, - £139.00
Diamond shape round • Brilliant setting type • Stud earring push - Free postage - New and Used
Diamond shape round • Brilliant setting type • Stud earring push - Free postage - New and Used
001 antique edwardian - -, - £525.00
Hallmarked chester 1914 • 18ct yellow gold • Diamonds are old - Free postage - New and Used
Hallmarked chester 1914 • 18ct yellow gold • Diamonds are old - Free postage - New and Used
Carat irregular shape rough - 5+carat, - £154.88
Photos related item • You have ordered • Are meant only - Free postage - New and Used
Photos related item • You have ordered • Are meant only - Free postage - New and Used
Diamond ring igi certified - igi, vs1 - £6724.79
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Carat cushion cut igi - 3.02, - £516.55
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Antique edwardian diamond - edwardian, ring - £525.00
Hallmarked chester 1914 • 18ct yellow gold • Diamonds are old - Free postage - New and Used
Hallmarked chester 1914 • 18ct yellow gold • Diamonds are old - Free postage - New and Used
Diamond powder polishing - diamond, - £7.58
10000 grit mirror • Polished hardness 1500 • W60 200grit w40 - Free postage - New and Used
10000 grit mirror • Polished hardness 1500 • W60 200grit w40 - Free postage - New and Used
8500 carat round natural - carat, - £206.92
This piece jewelry • Made order item • That takes better - Free postage - New and Used
This piece jewelry • Made order item • That takes better - Free postage - New and Used
Round lab grown - lab, diamond - £361.79
These stunninground lab • Grown diamond floral • Halo earrings featurede - Free postage - New and Used
These stunninground lab • Grown diamond floral • Halo earrings featurede - Free postage - New and Used
Carat diamond drop earring - carat, - £1425.37
Stone options choose • From white topaz • Blue sapphire ruby - Free postage - New and Used
Stone options choose • From white topaz • Blue sapphire ruby - Free postage - New and Used
Diamond round ring - round, igi - £9089.56
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Diamond women ring vs1 - ring, - £8106.70
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Diamond ring vs1 - diamond, igi - £1588.08
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Carat princess lab grown igi - carat, - £1911.02
Lab grown • Set classic four • Prong 10k white - Free postage - New and Used
Lab grown • Set classic four • Prong 10k white - Free postage - New and Used
Diamond ring round vs1 - ring, - £2948.56
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Oval diamond ring igi - ring, - £22169.66
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Carat round lab grown - carat, - £893.11
These earrings are • Igi certified boast • Excellent cut grade - Free postage - New and Used
These earrings are • Igi certified boast • Excellent cut grade - Free postage - New and Used
18k white gold - white, earring - £1523.91
Certification igi stone • Options choose from • White topaz blue - Free postage - New and Used
Certification igi stone • Options choose from • White topaz blue - Free postage - New and Used
Diamond ring cushion cut - ring, e - £3724.50
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Oval cut cts - cut, 3.01 - £553.50
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Carat cushion cut igi - 3.01, - £553.50
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Carat cushion cut igi - carat, - £646.62
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Diamond women ring - vs1, igi - £16708.54
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Rings diamond • Center stone stunning • Rated vs1 clarity - Free postage - New and Used
Oval cut cts - oval, - £516.55
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Igi lab 2nd • Most reputable trustworthy • After gia person - Free postage - New and Used
Lab grown marquise - lab-grown, solitaire - £1613.60
Ring available all • Sizes can personalized • Achieve perfect fit - Free postage - New and Used
Ring available all • Sizes can personalized • Achieve perfect fit - Free postage - New and Used
Carat diamond wedding - 3, ring - £2006.36
14k white gold • Wedding ring set • Diamond radiant cut - Free postage - New and Used
14k white gold • Wedding ring set • Diamond radiant cut - Free postage - New and Used
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
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Everything you need to know about 3 carat diamond
Whether you are looking for a brand-new or second-hand 3 carat diamond, eBay offers one of the largest selections available online. With 48 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 £22169.66 — giving you a wide budget spread to work with. The average price of £2133.79 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.