Gia diamond
Gia diamond for sale on Ireland's largest auction and classifieds sites
Sonny platinum diamond - sonny, - £1485.70
Stunning platinum solitaire • Diamond ring certified • 0.50ct round brilliant - Free postage - New and Used
Stunning platinum solitaire • Diamond ring certified • 0.50ct round brilliant - Free postage - New and Used
Tcw cushion lab grown - 1.30, - £734.82
This 1.30 tcw • Cushion lab grown • Diamond engagement ring - Free postage - New and Used
This 1.30 tcw • Cushion lab grown • Diamond engagement ring - Free postage - New and Used
Princess diamond engagement - princess, - £1855.46
Princess round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Princess round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
White gold diamond - diamond, engagement - £791.11
Certification igi gia • Customization personalization transform • Your jewelry into - Free postage - New and Used
Certification igi gia • Customization personalization transform • Your jewelry into - Free postage - New and Used
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Megfelelő pár párna - , vágott - £475.35
- Free postage - New and Used
- Free postage - New and Used
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48 listings · from £174.47 · avg £1290.48
Browse 48 gia diamond listings currently in our index. Prices range from £174.47 to £3399.21, with an average of £1290.48. 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 gia diamond →
Karátos természetes - 0,50, - £648.20
- Free postage - New and Used
- Free postage - New and Used
Si2 gia diamond - si2, 1.01ct - £1535.68
Si2 gia diamond • 1.01ct stunning loose • Gemstone perfect jewellery - Free postage - New and Used
Si2 gia diamond • 1.01ct stunning loose • Gemstone perfect jewellery - Free postage - New and Used
74ct vs1 gia certified - vs1, - £527.08
Our promise free • Local pick available • Sat 00am 00pm - Free postage - New and Used
Our promise free • Local pick available • Sat 00am 00pm - Free postage - New and Used
Natural diamond gia - diamond, - £174.47
This product gia • Certified loose round • Cut natural diamond - Free postage - New and Used
This product gia • Certified loose round • Cut natural diamond - Free postage - New and Used
100 natural diamond 70 - diamond, ct - £921.62
This product 0.70 • Gia certified natural • Diamond color grade - Free postage - New and Used
This product 0.70 • Gia certified natural • Diamond color grade - Free postage - New and Used
Natural loose diamond ct - natural, - £249.48
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Gia certified ct - certified, 0.65 - £940.26
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Blue color round cut - round, diamond - £204.87
Cut round brilliant • Engineered radiate extraordinary • Brilliance clarity grade - Free postage - New and Used
Cut round brilliant • Engineered radiate extraordinary • Brilliance clarity grade - Free postage - New and Used
00ct pear cut lab grown - pear, - £697.30
This 1.00ct pear • Cut lab grown • Cvd diamond solitaire - Free postage - New and Used
This 1.00ct pear • Cut lab grown • Cvd diamond solitaire - Free postage - New and Used
Princess diamond engagement - princess, - £1467.42
Princess round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Princess round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Radiant diamond engagement - radiant, - £1328.16
Radiant round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Radiant round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
396ct natural diamond oval - 0.396ct, - £785.70
Elegant 0.396ct natural • Diamond halo necklace • 18k white gold - Free postage - New and Used
Elegant 0.396ct natural • Diamond halo necklace • 18k white gold - Free postage - New and Used
Solid 14k white gold natural - white, - £499.51
14k white gold • Round natural diamond • Ring premium quality - Free postage - New and Used
14k white gold • Round natural diamond • Ring premium quality - Free postage - New and Used
Gia certified carat loose - gia, 0.26 - £223.48
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
2ct cushion cut lab grown - 2ct, - £1180.87
This product beautiful • 2ct cushion cut • Lab grown cvd - Free postage - New and Used
This product beautiful • 2ct cushion cut • Lab grown cvd - Free postage - New and Used
Gia certified ct natural - gia, - £298.67
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Are wholesale supplier • All types gemstones • Including precious semi - Free postage - New and Used
Cushion diamond engagement - cushion, - £1664.78
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion diamond engagement - cushion, - £2224.14
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Round diamond engagement ring - engagement, - £1775.25
Not dependent are • Interruption our work • Doing him favour - Free postage - New and Used
Not dependent are • Interruption our work • Doing him favour - Free postage - New and Used
Oval diamond engagement ring - engagement, - £1616.73
Oval round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Oval round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion diamond engagement - cushion, - £2310.37
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Diamond wedding ring 35 - diamond, - £1272.81
Total carat weight • Design solitaire accents • Stone type lab - Free postage - New and Used
Total carat weight • Design solitaire accents • Stone type lab - Free postage - New and Used
Cushion diamond engagement - cushion, - £1612.47
Cushion round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Cushion round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Pear solitaire lab grown - solitaire, - £832.07
This pear solitaire • Lab grown diamond • Engagement ring 14k - Free postage - New and Used
This pear solitaire • Lab grown diamond • Engagement ring 14k - Free postage - New and Used
Cushion diamond engagement - cushion, - £1410.24
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Carat lab grown cvd - 1.00, - £687.61
This 1.00 carat • Lab grown cvd • Diamond 14k white - Free postage - New and Used
This 1.00 carat • Lab grown cvd • Diamond 14k white - Free postage - New and Used
30ct lab grown diamond - 3.30ct, - £1169.75
This product stunning • 3.30ct lab grown • Diamond solitaire engagement - Free postage - New and Used
This product stunning • 3.30ct lab grown • Diamond solitaire engagement - Free postage - New and Used
Engagement ring oval - ring, 2 - £1306.24
Diamond set solitaire • Style accents has • Grade excellent cut - Free postage - New and Used
Diamond set solitaire • Style accents has • Grade excellent cut - Free postage - New and Used
Cushion diamond engagement - cushion, - £2351.27
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Round diamond engagement - round, ring - £1652.44
Platinum 950 part • Per 1000 not • Are dependent him - Free postage - New and Used
Platinum 950 part • Per 1000 not • Are dependent him - Free postage - New and Used
Cushion diamond engagement - cushion, - £1902.64
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion diamond engagement - cushion, - £2351.27
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Oval diamond engagement ring - engagement, - £2605.81
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Setting natural - 0.18, ct - £310.82
This product gia • Certified natural diamond • Loose round stone - Free postage - New and Used
This product gia • Certified natural diamond • Loose round stone - Free postage - New and Used
Gia round cut diamond - 1.57, ct - £237.62
Better communicate faster • Resolution any disputes • This piece jewelry - Free postage - New and Used
Better communicate faster • Resolution any disputes • This piece jewelry - Free postage - New and Used
Round diamond engagement ring - diamond, - £3399.21
Not dependent are • Interruption our work • Doing him favour - Free postage - New and Used
Not dependent are • Interruption our work • Doing him favour - Free postage - New and Used
Oval solitaire labgrown - oval, - £1624.69
Oval round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Oval round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Oval solitaire labgrown - solitaire, - £1745.71
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Cushion diamond engagement - cushion, - £1634.65
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Cushion round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Pear diamond engagement ring - diamond, - £1588.05
Pear round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Pear round platinum • 950 part per • 1000 diamond details - Free postage - New and Used
Emerald diamond engagement - diamond, - £2632.18
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Cushion diamond engagement - cushion, - £1307.97
Cushion round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Cushion round 14k • 585 part per • 1000 diamond details - Free postage - New and Used
Cushion diamond engagement - cushion, - £1691.22
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
Diamond education refers • Comprehensive understanding diamonds • Encompassing their characteristics - Free postage - New and Used
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Everything you need to know about gia diamond
Whether you are looking for a brand-new or second-hand gia 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 £174.47, while premium listings can reach £3399.21 — giving you a wide budget spread to work with. The average price of £1290.48 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.