Gia diamond
Gia diamond for sale on Ireland's largest auction and classifieds sites
Gia certificated brilliant cut - gia, - £2070.00
Solitaire brilliant cut • Gia certificated 0.70ct • Diamond ring platinum - Free postage - New and Used
Solitaire brilliant cut • Gia certificated 0.70ct • Diamond ring platinum - Free postage - New and Used
Gia certified 100 natural - gia, - £552.01
This gia certified • 100 natural diamond • Stunning 4mm heart - Free postage - New and Used
This gia certified • 100 natural diamond • Stunning 4mm heart - Free postage - New and Used
Gia certified natural - certified, diamond - £236.84
This product gia • Certified natural diamond • Measuring 4mm diameter - Free postage - New and Used
This product gia • Certified natural diamond • Measuring 4mm diameter - Free postage - New and Used
Earth mined gia - 0.34, ct - £326.77
This product 0.34 • Gia certified natural • Diamond color grade - Free postage - New and Used
This product 0.34 • Gia certified natural • Diamond color grade - Free postage - New and Used
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Gia certified ctw - ctw, emerald - £945.00
Loose diamond gia • Color grade price • May vary - Free postage - New and Used
Loose diamond gia • Color grade price • May vary - Free postage - New and Used
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48 listings · from £41.14 · avg £1608.35
⚠️ These listings were last updated more than 93 days ago.
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Browse 48 gia diamond listings currently in our index. Prices range from £41.14 to £12651.71, with an average of £1608.35. 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 →
Gemporia beautiful new - beautiful, - £72.34
Authenticity certificate photos • All information - Free postage - New and Used
Authenticity certificate photos • All information - Free postage - New and Used
Gemporia new 10ct - gemporia, - £51.54
Authenticity certificate photos • Has all information - Free postage - New and Used
Authenticity certificate photos • Has all information - Free postage - New and Used
Gemporia pretty new 5ct - gemporia, 1/5ct - £41.14
Authenticity certificate all • Information photos - Free postage - New and Used
Authenticity certificate all • Information photos - Free postage - New and Used
Cartier 1895 21ct - cartier, vvs2 - £12651.71
French maker mark • Assay stamp present • Main diamond clarity - Free postage - New and Used
French maker mark • Assay stamp present • Main diamond clarity - Free postage - New and Used
Solid 950 platinum carat igi - 950, - £1101.39
Diamond lab created • Eye clean beautiful • Color grade that - Free postage - New and Used
Diamond lab created • Eye clean beautiful • Color grade that - Free postage - New and Used
Engagement ring carat igi - carat, - £971.63
Ring made 14k • Yellow gold available • Sizes diamond clarity - Free postage - New and Used
Ring made 14k • Yellow gold available • Sizes diamond clarity - Free postage - New and Used
Gemporia new 8ct halo heart - new, - £51.54
Authenticity certificate photos • All information - Free postage - New and Used
Authenticity certificate photos • All information - Free postage - New and Used
Wedding ring igi gia - ct, - £1378.73
Certification igi gia • Diamond type natural • Also deal wholesale - Free postage - New and Used
Certification igi gia • Diamond type natural • Also deal wholesale - Free postage - New and Used
Gia certified natural diamond - gia, - £400.88
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 natural diamond - certified, - £311.95
This product gia • Certified natural loose • Marquise diamond weight - Free postage - New and Used
This product gia • Certified natural loose • Marquise diamond weight - Free postage - New and Used
Igi gia certified - gia, grown - £1204.50
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
Engagement ring solid 14k - ring, - £1377.50
Certification igi gia • Also deal wholesale • Export 14k 18k - Free postage - New and Used
Certification igi gia • Also deal wholesale • Export 14k 18k - Free postage - New and Used
Engagement ring ct igi - ring, - £1271.15
Lab created diamond • Igi certified has • Very slightly included - Free postage - New and Used
Lab created diamond • Igi certified has • Very slightly included - Free postage - New and Used
Natural diamond round 00ct - natural, - £768.90
This beautiful necklace • Features 1.00ct natural • White diamond set - Free postage - New and Used
This beautiful necklace • Features 1.00ct natural • White diamond set - Free postage - New and Used
Natural loose diamond ct - natural, - £1538.58
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
Engagement ring australian - engagement, - £1345.38
Australian boulder opal • Piece unique you • Won find two - Free postage - New and Used
Australian boulder opal • Piece unique you • Won find two - Free postage - New and Used
Oval diamond engagement ring - diamond, - £2001.95
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
Round natural diamond - 0.85, - £3134.04
Igi gia hallmarked • Gold platinum certified • Diamonds solitaire accents - Free postage - New and Used
Igi gia hallmarked • Gold platinum certified • Diamonds solitaire accents - Free postage - New and Used
Gia certified natural pear - gia, - £3759.65
Round cut diamonds • Continue along shank • Perfectly match elegant - Free postage - New and Used
Round cut diamonds • Continue along shank • Perfectly match elegant - Free postage - New and Used
Gia certified natural - gia, asscher - £3759.65
Center stone shape • Asscher trillion cut • Diamonds accent side - Free postage - New and Used
Center stone shape • Asscher trillion cut • Diamonds accent side - Free postage - New and Used
Gia certified asscher - certified, - £3624.97
Center stone shape • Asscher certificate appraisal • Gia certification included - Free postage - New and Used
Center stone shape • Asscher certificate appraisal • Gia certification included - Free postage - New and Used
14k white gold petite - gold, - £1524.78
This 14k white • Gold petite engagement • Ring natural round - Free postage - New and Used
This 14k white • Gold petite engagement • Ring natural round - Free postage - New and Used
Cushion diamond engagement - cushion, - £1885.79
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
Laser inscribed natural - laser, - £307.82
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
Igi gia certified lab - igi, - £1130.38
Certification igi diamond • Type lab grown • 1.00 carat side - Free postage - New and Used
Certification igi diamond • Type lab grown • 1.00 carat side - Free postage - New and Used
Gia certified 100 - gia, - £374.34
Product 0.23 gia • Certified 100 natural • Diamond loose round - Free postage - New and Used
Product 0.23 gia • Certified 100 natural • Diamond loose round - Free postage - New and Used
Gia igi lab - igi, grown - £849.28
Certification igi diamond • Type lab grown • Clarity vs2 engraving - Free postage - New and Used
Certification igi diamond • Type lab grown • Clarity vs2 engraving - Free postage - New and Used
Oval diamond engagement ring - engagement, - £2001.95
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
100 gia certified 4 - gia, - £1252.72
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 cut igi - cushion, - £1100.83
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
Oval 950 platinum igi - oval, - £1309.06
Certification igi diamond • Type lab created • Clarity vs1 ring - Free postage - New and Used
Certification igi diamond • Type lab created • Clarity vs1 ring - Free postage - New and Used
Radiant cut igi gia - 2.50, - £1394.62
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
14k white gold igi - 14k, gia - £1071.00
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
Gia certified natural - ct, - £565.89
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 igi lab - gia, - £1076.56
Certification igi diamond • Type lab grown • Clarity vs2 engraving - Free postage - New and Used
Certification igi diamond • Type lab grown • Clarity vs2 engraving - Free postage - New and Used
Princess diamond engagement - diamond, - £2391.90
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 - diamond, - £1889.02
14k 585 part • Per 1000 diamond • Details white gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details white gold - Free postage - New and Used
Oval diamond engagement ring - oval, - £1685.43
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
Oval diamond engagement - diamond, - £1685.43
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
14k 585 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
Oval diamond engagement ring - diamond, - £2241.19
18k 750 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
18k 750 part • Per 1000 diamond • Details yellow gold - Free postage - New and Used
Natural diamond ct fin - diamond, - £4435.13
Fin flipper special • Fancy brown yellow • Natural diamond 2.14 - Free postage - New and Used
Fin flipper special • Fancy brown yellow • Natural diamond 2.14 - Free postage - New and Used
Emerald cut gia - emerald, - £1016.15
Certification igi diamond • Type lab grown • Clarity vs2 ring - Free postage - New and Used
Certification igi diamond • Type lab grown • Clarity vs2 ring - Free postage - New and Used
Gia igi lab grown diamond - gia, - £1061.60
Certification igi diamond • Type lab grown • Clarity vs1 center - Free postage - New and Used
Certification igi diamond • Type lab grown • Clarity vs1 center - Free postage - New and Used
Try this: gold 9ct gold ring | gucci dog | honora pearls | padparadscha | paraiba | peridot earrings | peridot gemstone | rubellite | ruby earrings | rough diamond
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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 £41.14, while premium listings can reach £12651.71 — giving you a wide budget spread to work with. The average price of £1608.35 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.