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Gia diamond

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Gia diamond for sale on Ireland's largest auction and classifieds sites

Home / Fine Jewellery / Gia diamond refurbished & used for sale | For Sale UK
Platinum princess cut diamond - princess,

Platinum princess cut diamond - princess,

£1893.70 · Buy It Now

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100 gia certified natural - gia,

100 gia certified natural - gia,

£397.72 · Buy It Now

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Gia certified ct natural - certified, 0.51

Gia certified ct natural - certified, 0.51

£440.04 · Buy It Now

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Gia certified ct natural - 0.20,

Gia certified ct natural - 0.20,

£240.51 · Buy It Now

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Beaverbrooks diamond - beaverbrooks,

Beaverbrooks diamond - beaverbrooks,

£3576.70 · Buy It Now

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Browns 18ct white gold - browns,

Browns 18ct white gold - browns,

£2500.00 · Buy It Now

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Petite crescent royalt - crescent,

Petite crescent royalt - crescent,

£14322.13 · Buy It Now

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Carat 18k gold - carat,

Carat 18k gold - carat,

£1230.70 · Buy It Now

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Round diamond - ct,

Round diamond - ct,

£577.90 · Buy It Now

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Engagement ring - engagement,

Engagement ring - engagement,

£363.70 · Buy It Now

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Fancy vivid blue - vivid, 1.55

Fancy vivid blue - vivid, 1.55

£278.73 · Buy It Now

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Carat round brilliant - carat,

Carat round brilliant - carat,

£286.16 · Buy It Now

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Diamond i color vs1 - ct,

Diamond i color vs1 - ct,

£445.96 · Buy It Now

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25ct gia certified natural - 1.25ct,

25ct gia certified natural - 1.25ct,

£4699.00 · Buy It Now

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Certified gia oval cut - certified, ct

Certified gia oval cut - certified, ct

£6720.68 · Buy It Now

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Carat cert gia cushion - cert.,

Carat cert gia cushion - cert.,

£4990.78 · Buy It Now

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Natural diamond gia - diamond,

Natural diamond gia - diamond,

£135.62 · Buy It Now

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100 natural gia certified - 100%,

100 natural gia certified - 100%,

£396.23 · Buy It Now

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100 natural gia - 0.30, 100%

100 natural gia - 0.30, 100%

£155.22 · Buy It Now

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Round carat cert - 1.15,

Round carat cert - 1.15,

£3090.53 · Buy It Now

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Gia 28ct vs1 natural - d,

Gia 28ct vs1 natural - d,

£1333.43 · Buy It Now

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Asscher carat cert - carat, gia

Asscher carat cert - carat, gia

£2752.79 · Buy It Now

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Ladies 36ct brilliant si 1 - , si-1

Ladies 36ct brilliant si 1 - , si-1

£353.05 · Buy It Now

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Diamond 60ct loose round - loose, cut

Diamond 60ct loose round - loose, cut

£891.93 · Buy It Now

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Natural loose diamond ct - 0.41,

Natural loose diamond ct - 0.41,

£966.26 · Buy It Now

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Diamond natural loose - 1.02,

Diamond natural loose - 1.02,

£1858.18 · Buy It Now

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Si1 oval brilliant cut x - oval,

Si1 oval brilliant cut x - oval,

£137.73 · Buy It Now

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Cert gia carat - gia, emerald

Cert gia carat - gia, emerald

£5773.90 · Buy It Now

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Cert gia carat heart - gia, cut

Cert gia carat heart - gia, cut

£5018.73 · Buy It Now

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Round carat certificate gia - carat,

Round carat certificate gia - carat,

£3668.05 · Buy It Now

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Oval cut carat - oval,

Oval cut carat - oval,

£3642.86 · Buy It Now

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Carat cert gia cushion - gia,

Carat cert gia cushion - gia,

£4175.23 · Buy It Now

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Cert gia carat - gia, 1.02

Cert gia carat - gia, 1.02

£4492.49 · Buy It Now

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Loose diamond carat - carat, e

Loose diamond carat - carat, e

£743.27 · Buy It Now

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Princess diamond engagement - princess,

Princess diamond engagement - princess,

£2520.19 · Buy It Now

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Certificate gia round - ct,

Certificate gia round - ct,

£4712.58 · Buy It Now

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Princess cut cert - 1.03, ct

Princess cut cert - 1.03, ct

£8053.07 · Buy It Now

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Cert gia round brilliant - ct,

Cert gia round brilliant - ct,

£4468.83 · Buy It Now

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Wedding cushion ring - wedding, ct

Wedding cushion ring - wedding, ct

£1575.08 · Buy It Now

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Certificate gia round - 1.35, ct

Certificate gia round - 1.35, ct

£5650.36 · Buy It Now

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Carat certificate gia - carat,

Carat certificate gia - carat,

£5807.75 · Buy It Now

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Round carat certificate gia - round, 1

Round carat certificate gia - round, 1

£2555.37 · Buy It Now

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Cert gia carat round - cert.,

Cert gia carat round - cert.,

£5775.09 · Buy It Now

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Cushion cut cert - ct, cert.

Cushion cut cert - ct, cert.

£3459.94 · Buy It Now

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Round certificate gia - round,

Round certificate gia - round,

£4362.64 · Buy It Now

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Carat cert gia - 1.51, emerald

Carat cert gia - 1.51, emerald

£4345.96 · Buy It Now

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Cert gia carat cushion - carat,

Cert gia carat cushion - carat,

£7117.59 · Buy It Now

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100 earth mined natural - mined,

100 earth mined natural - mined,

£231.20 · Buy It Now

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Round carat cert gia - round, 1.01

Round carat cert gia - round, 1.01

£4850.97 · Buy It Now

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Carat cert gia - cert.,

Carat cert gia - cert.,

£3248.85 · Buy It Now

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Color vvs clarity loose - color,

Color vvs clarity loose - color,

£396.23 · Buy It Now

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Oval cut carat cert - oval, 1.20

Oval cut carat cert - oval, 1.20

£5313.22 · Buy It Now

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Natural mined diamond - natural,

Natural mined diamond - natural,

£3379.29 · Buy It Now

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Gia certified natural - certified,

Gia certified natural - certified,

£403.09 · Buy It Now

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Cert gia round brilliant - 1, ct

Cert gia round brilliant - 1, ct

£5147.24 · Buy It Now

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Gia vs1 princess - ct,

Gia vs1 princess - ct,

£3043.38 · Buy It Now

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Gia 06ct vs1 stone lab - 2.06ct, 3

Gia 06ct vs1 stone lab - 2.06ct, 3

£2476.42 · Buy It Now

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Certificate gia oval cut - certificate,

Certificate gia oval cut - certificate,

£8359.30 · Buy It Now

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Round carat certificate - certificate, gia

Round carat certificate - certificate, gia

£4921.66 · Buy It Now

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Natural mined diamond - diamond, 1.03

Natural mined diamond - diamond, 1.03

£4504.98 · Buy It Now

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Range light brown vvs - range, /vvs

Range light brown vvs - range, /vvs

£392.15 · Buy It Now

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Cert gia radiant cut - cert.,

Cert gia radiant cut - cert.,

£4341.16 · Buy It Now

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Round certificate gia - round, ct

Round certificate gia - round, ct

£15600.94 · Buy It Now

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Round carat cert - round, 0.90

Round carat cert - round, 0.90

£3253.90 · Buy It Now

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Cert gia ct radiant - cert.,

Cert gia ct radiant - cert.,

£8732.05 · Buy It Now

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Pear diamond engagement ring - engagement,

Pear diamond engagement ring - engagement,

£2584.90 · Buy It Now

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Round carat cert gia - round,

Round carat cert gia - round,

£7068.16 · Buy It Now

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Gia vs1 lab grown - ct,

Gia vs1 lab grown - ct,

£1969.14 · Buy It Now

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Cushion cut carat cert - cut,

Cushion cut carat cert - cut,

£5239.33 · Buy It Now

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Radiant cut carat cert - radiant,

Radiant cut carat cert - radiant,

£7971.61 · Buy It Now

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Natural mined diamond 06 - natural,

Natural mined diamond 06 - natural,

£106298.20 · Buy It Now

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Cert gia ct - cushion, cut

Cert gia ct - cushion, cut

£7445.37 · Buy It Now

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Carat cert gia pear - pear, cut

Carat cert gia pear - pear, cut

£3459.57 · Buy It Now

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Carat cert gia round - cert.,

Carat cert gia round - cert.,

£5249.08 · Buy It Now

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Pear cut carat - carat, cert.

Pear cut carat - carat, cert.

£3752.79 · Buy It Now

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Round diamond engagement ring - round,

Round diamond engagement ring - round,

£4603.33 · Buy It Now

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Range light brown - w-x, grade

Range light brown - w-x, grade

£789.22 · Buy It Now

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Carat cert gia cushion - cert.,

Carat cert gia cushion - cert.,

£2920.75 · Buy It Now

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Oval cut carat cert gia - 1.01,

Oval cut carat cert gia - 1.01,

£4646.20 · Buy It Now

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Tiffany platinum diamond - tiffany&co,

Tiffany platinum diamond - tiffany&co,

£1337.89 · Buy It Now

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Carat cert gia - gia, oval

Carat cert gia - gia, oval

£7585.85 · Buy It Now

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Carat cert gia - 5.01,

Carat cert gia - 5.01,

£85223.43 · Buy It Now

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Cushion solitaire natural - cushion,

Cushion solitaire natural - cushion,

£2673.66 · Buy It Now

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Cert gia carat oval - gia, 1.51

Cert gia carat oval - gia, 1.51

£5262.97 · Buy It Now

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Cert gia ct round - 1.53,

Cert gia ct round - 1.53,

£7642.04 · Buy It Now

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Princess diamond engagement - diamond,

Princess diamond engagement - diamond,

£1988.25 · Buy It Now

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Round certificate gia - round,

Round certificate gia - round,

£6346.51 · Buy It Now

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Pear solitaire natural diamond - natural,

Pear solitaire natural diamond - natural,

£3441.12 · Buy It Now

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Cert gia carat - gia, 1.51

Cert gia carat - gia, 1.51

£4723.06 · Buy It Now

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100 gia certified - gia, k

100 gia certified - gia, k

£210.14 · Buy It Now

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Princess diamond engagement - diamond,

Princess diamond engagement - diamond,

£2264.82 · Buy It Now

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📊91 listings · from £135.62 · avg £5651.07
⚠️ These listings were last updated more than 23 days ago. Search for fresh listings

Browse 91 gia diamond listings currently in our index. Prices range from £135.62 to £106298.2, with an average of £5651.07. 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 →

Try this: gold 9ct gold ring | padparadscha | paraiba | peridot earrings | peridot gemstone | rubellite | ruby earrings | rough diamond | solid silver jewellery | star sapphire

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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 91 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 £135.62, while premium listings can reach £106298.2 — giving you a wide budget spread to work with. The average price of £5651.07 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.

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