One-of-a-Kind

4.70ct Cushion Cut Emerald and 0.86ctw Diamond Ring, 18ct Yellow Gold

£97,999.99

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4.70ct Cushion Cut Emerald and 0.86ctw Diamond Ring, 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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3.02ct Cushion Cut Diamond Solitaire Ring, Platinum

£49,999.99

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3.02ct 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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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

£46,999.99

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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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3.06ctw Cushion Cut Fancy Vivid Yellow Diamond Ring, Platinum and 18ct Yellow Gold

£42,999.99

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3.06ctw Cushion Cut Fancy Vivid Yellow 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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Oval Cut Red Spinel and 2.15ctw Diamond Ring, Platinum and 18ct Yellow Gold

£42,999.99

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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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14-16mm South Sea White Pearl Necklace, 18ct Yellow Gold

£38,999.89

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14-16mm South Sea White Pearl Necklace, 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

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