One-of-a-Kind

7.45ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

£359,999.89

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7.45ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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6.55ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

£333,999.99

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6.55ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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5.34ct Round Brilliant Cut Diamond Pendant, 18ct White Gold

£149,999.89

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5.34ct Round Brilliant Cut Diamond Pendant, 18ct White Gold

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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4.38ctw Emerald Cut Diamond Halo Ring, Platinum

£144,999.99

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4.38ctw Emerald Cut Diamond Halo Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.19ct Round Brilliant Cut Diamond Ring, Platinum

£139,999.99

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3.19ct Round Brilliant Cut Diamond Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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5.01ct Cushion Cut Diamond Solitaire Ring, Platinum

£133,999.99

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5.01ct Cushion Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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Cushion Cut Sapphire and 1.10ctw Diamond Ring, Platinum

£124,999.99

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Cushion Cut Sapphire and 1.10ctw Diamond Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.80ctw Round Brilliant Cut Diamond Baguette Ring, Platinum

£72,999.99

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3.80ctw Round Brilliant Cut Diamond Baguette Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.65ctw Pear Cut Diamond Baguette Ring, Platinum

£49,999.99

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3.65ctw Pear Cut Diamond Baguette Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.07ct Radiant Cut Diamond Solitaire Ring, Platinum

£47,999.89

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3.07ct Radiant Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.09ct Pear Cut Diamond Solitaire Ring, Platinum

£47,999.89

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3.09ct Pear Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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Oval Cut Red Spinel and 2.15ctw Diamond Ring, Platinum and 18ct Yellow Gold

£44,999.89

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Oval Cut Red Spinel and 2.15ctw Diamond Ring, Platinum and 18ct Yellow Gold

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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3.40ct Princess Cut Diamond Solitaire Ring, Platinum

£44,999.89

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3.40ct Princess Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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2.53ctw Oval Cut Diamond Halo Wedding Ring, Platinum

£39,999.99

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2.53ctw Oval Cut Diamond Halo Wedding Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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Oval Cut Pink Sapphire and 0.75ctw Diamond Ring, Platinum

£32,999.89

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Oval Cut Pink Sapphire and 0.75ctw Diamond Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

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2.02ct Marquise Cut Diamond Solitaire Ring, Platinum

£31,999.99

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2.02ct Marquise Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

★★★★★

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2.01ct Marquise Cut Diamond Solitaire Ring, Platinum

£28,999.99

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2.01ct Marquise Cut Diamond Solitaire Ring, Platinum

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email onlinediamonds@costco.co.uk

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

★★★★★

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