Diamond Jewelry
22k & 18K Yellow Gold Floral Motif Diamond Pin/brooch and Pendant – Assay Jewelers
Natural Onyx & Diamond Earrings in Textured Ribbed 18K Yellow Gold and Platinum – Assay Jewelers
Natural 5 Carat Diamond Bezel Tennis Bracelet in 14K White Gold – Assay Jewelers
Save 16%
Natural 5 Carat Diamond Bezel Tennis Bracelet in 14K White Gold
£5,168.00 GBP
£6,210.00 GBP
Natural 0.20 Carat Round Cut Diamond Curved Ying & Yang Stud Earrings – Assay Jewelers
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Natural 0.20 Carat Round Cut Diamond Curved Ying & Yang Stud Earrings
£197.00 GBP
£246.00 GBP
14K White Gold Natural Diamond Key To My Heart Pendant Necklace – Assay Jewelers
Save up to 20%
Natural 4/10 CTTW Diamond Hoop Earrings in 14K Solid Gold – Assay Jewelers
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Natural 4/10 CTTW Diamond Hoop Earrings in 14K Solid Gold
£1,093.00 GBP
£1,363.00 GBP
Single Stud 2.5mm Round Tiny Natural Diamond Earring in 925 Sterling Silver – Assay Jewelers
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Single Stud 2.5mm Round Tiny Natural Diamond Earring in 925 Sterling Silver
£27.00 GBP
£40.00 GBP
Natural Diamond 16 Carat Round-Brilliant Cut Interlocking Circle Pendant Necklace in 18K Yellow Gold – Assay Jewelers
Natural 2 Carat Floral Diamond Dangle Drop Earrings in 18K White & Black Gold – Assay Jewelers
5 CTTW Diamond Cluster Multi Cut Pendant in 18K Yellow Gold Necklace – Assay Jewelers
Natural 1.30 Carat Round-Brilliant Diamond Three Stone Ring in 14K White Gold – Assay Jewelers
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Natural 1.30 Carat Round-Brilliant Diamond Three Stone Ring in 14K White Gold
£3,396.00 GBP
£4,075.00 GBP
3.03 Carat Old-European Cut IGI Certified CVD Lab Diamond Solitaire Ring and Diamond Jacket Engagement Ring – Assay Jewelers
7.71 Carat Round Cut I2 Natural Diamond Cluster Ring in 18K White Gold – Assay Jewelers
Boucheron "Laperouse" 8.03 Carat Emerald Cut G VS1 GIA Certified Diamond Ring – Assay Jewelers
1.25 CTTW Channel Set Cluster Diamond Mens Ring in 14K Yellow Gold – Assay Jewelers
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1.25 CTTW Channel Set Cluster Diamond Mens Ring in 14K Yellow Gold
£3,739.00 GBP
£4,489.00 GBP
Round Cut Blue and White Diamond Butterfly Outline Stud Earrings – Assay Jewelers
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Round Cut Blue and White Diamond Butterfly Outline Stud Earrings
£682.00 GBP
£853.00 GBP
14K Solid White Gold Natural Diamond Cluster Butterfly Stud Earring – Assay Jewelers
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14K Solid White Gold Natural Diamond Cluster Butterfly Stud Earring
£765.00 GBP
£849.00 GBP
Heart Cut Natural Diamond Butterfly Stud Earrings in 18K Rose Gold – Assay Jewelers
18K White Gold Butterfly Ring with Black Onyx, White Agate, and Round Cut Diamonds – Assay Jewelers
14K White Gold Flower Motif Blue and White Diamond Stud Earrings – Assay Jewelers
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14K White Gold Flower Motif Blue and White Diamond Stud Earrings
£1,733.00 GBP
£2,171.00 GBP
1 Carat Cushion-Cut Lab Grown Diamond Solitaire Pendant Necklace in 14K White Gold 16 Inch Chain – Assay Jewelers
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1 Carat Cushion-Cut Lab Grown Diamond Solitaire Pendant Necklace in 14K White Gold 16 Inch Chain
£1,242.00 GBP
£1,273.00 GBP
1/3 Carat Natural Diamond 3-Prong Stud Earrings 4mm in 14K White Gold – Assay Jewelers
Save up to 20%
1/2 Carat Natural Diamond 4-Prong Basket Stud Earrings In 14K White Gold – Assay Jewelers
Save up to 15%
1/2 Carat Natural Diamond 4-Prong Basket Stud Earrings In 14K White Gold
£680.00 GBP
£808.00 GBP
Natural Blue and White Diamond Cluster Butterfly Charm Floating Pendant Necklace – Assay Jewelers
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Natural Blue and White Diamond Cluster Butterfly Charm Floating Pendant Necklace
£1,936.00 GBP
£2,424.00 GBP
Natural Pink Diamond Butterfly Charm Floating Pendant Necklace in 18K Rose Gold – Assay Jewelers
1/3 CTW Natural Blue and White Diamond Curved Mini Three Stone Ring in 14K White Gold – Assay Jewelers
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1/3 Carat Natural Diamond Mini 3-Stone Curved Ring in 14K White Gold – Assay Jewelers
Natural Diamond Contoured Wedding Band Stacking Ring in 14K White Gold – Assay Jewelers
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Natural Diamond Contoured Wedding Band Stacking Ring in 14K White Gold
£742.00 GBP
£879.00 GBP
IGI Cert. 2.08 Carat Lab Grown Old European Cut Diamond Vintage 6-Prong Engagement Ring – Assay Jewelers
2.14 Carat Lab Grown Radiant Cut Diamond Split Shank Engagement Ring – Assay Jewelers
Vintage Retro Old European Cut Diamond Bangle with Filigree and Milgrain Finish in 14K White Gold – Assay Jewelers
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Vintage Retro Old European Cut Diamond Bangle with Filigree and Milgrain Finish in 14K White Gold
£2,717.00 GBP
£3,260.00 GBP
Art Deco 2.5 Carat Old Euro Cut Diamond & Emerald Engagement Ring in Platinum – Assay Jewelers
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Art Deco 2.5 Carat Old Euro Cut Diamond & Emerald Engagement Ring in Platinum
£25,126.00 GBP
£30,223.00 GBP
Vintage 4.50 CTTW Old European Cut Diamond Three-Stone Art Deco Engagement Ring in Platinum – Assay Jewelers
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Vintage 4.50 CTTW Old European Cut Diamond Three-Stone Art Deco Engagement Ring in Platinum
£63,888.00 GBP
£72,989.00 GBP
25 Carat Total Round Cut Natural Diamond Bezel Set Link Bracelet in 18K White Gold – Assay Jewelers
Art Deco 1.55 Carat Old European Cut Diamond Milgrain Filigree Platinum Ring – Assay Jewelers
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Chopard Happy Diamond 18Kt White Gold Heart Shape Pendant Necklace with Pouch & Papers – Assay Jewelers
1 Carat Total Oval Cut 18K White Gold Solitaire 4-Prong Stud Earrings – Assay Jewelers
GIA Certified 0.51 Carat Round Cut Diamond 18K White Hidden Halo Engagement Ring – Assay Jewelers
Certified
GIA Certified 0.51 Carat Round Cut Diamond 18K White Hidden Halo Engagement Ring
£5,870.00 GBP
£7,338.00 GBP
1.42 Carat Mixed Asscher Cut Illusion Set Mens Natural Diamond Cluster Ring – Assay Jewelers
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1.42 Carat Mixed Asscher Cut Illusion Set Mens Natural Diamond Cluster Ring
£9,726.00 GBP
£11,092.00 GBP
11.9 Carat Pink and White Diamond Pendant Necklace and Ring Flower Motif Jewelry Set in 18K Rose & White Gold – Assay Jewelers
0.91 Carat Natural Diamond 10K White Gold Twisted Shank Ring – Assay Jewelers
Natural 0.22 Carat Round Cut Diamond Ring in 14K White Gold & Diamond Halo – Assay Jewelers
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Natural 0.22 Carat Round Cut Diamond Ring in 14K White Gold & Diamond Halo
£797.00 GBP
£991.00 GBP
Natural 3.51 Carat Round Cut Diamond Solitaire Engagement Ring – Assay Jewelers
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Natural 3.51 Carat Round Cut Diamond Solitaire Engagement Ring
£12,239.00 GBP
£14,711.00 GBP
Platinum and 18K Gold Unisex Natural Diamond Pinky Ring – Assay Jewelers
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Platinum and 18K Gold Unisex Natural Diamond Pinky Ring
£3,310.00 GBP
£4,137.00 GBP
Vintage 1.5 Carat TW Bezel and Channel Set Natural Diamond Mens Ring in 18K Gold – Assay Jewelers
Natural 4.21 Carat Round Diamond Engagement Ring With Baguette Diamonds in Two Tone 18k Gold – Assay Jewelers
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Natural 4.21 Carat Round Diamond Engagement Ring With Baguette Diamonds in Two Tone 18k Gold
£30,285.00 GBP
£37,857.00 GBP
0.44 CTTW Round Cut Diamond Engagement Ring in 18K White Gold – Assay Jewelers
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0.44 CTTW Round Cut Diamond Engagement Ring in 18K White Gold
£1,374.00 GBP
£1,718.00 GBP
Natural 0.60 Carat Diamond Engagement Ring with 6-prong Straight Shank Diamond Sides in 18K White Gold – Assay Jewelers
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Natural 0.60 Carat Diamond Engagement Ring with 6-prong Straight Shank Diamond Sides in 18K White Gold
£2,373.00 GBP
£2,967.00 GBP
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GIA Certified 9.48 Carat Paraiba Tourmaline Diamond Cluster Ring – Assay Jewelers
3.54 Carat Trilliant Rubellite Pink Tourmaline & Diamond 18K Two Tone Gold Ring – Assay Jewelers
3.59 Carat Oval Pink Tourmaline and Baguette Diamond 18K White Gold Unisex Ring – Assay Jewelers
Greek 18K White Gold Diamond Pink Tourmaline Yellow Garnet Pearl Drop Earrings – Assay Jewelers
Save 20%
Greek 18K White Gold Diamond Pink Tourmaline Yellow Garnet Pearl Drop Earrings
£9,991.00 GBP
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Greek 12 Carat Diamond South Sea Pearl Tourmaline Citrine Earring Necklace Set – Assay Jewelers
Save 20%
Greek 12 Carat Diamond South Sea Pearl Tourmaline Citrine Earring Necklace Set
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GIA Certified 12.95 Carat Emerald Cut Blue Indicolite Tourmaline Loose Gemstone – Assay Jewelers
GIA Certified Brazilian Paraiba Tourmaline Cluster Ring – Assay Jewelers
Save 20%
GIA Certified Brazilian Paraiba Tourmaline Cluster Ring
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GIA Certified 4.58 Carat Emerald Cut Indicolite Tourmaline Diamond Platinum Ring – Assay Jewelers
Save 20%
GIA Certified 4.58 Carat Emerald Cut Indicolite Tourmaline Diamond Platinum Ring
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10.52 Carat Forest Green Tourmaline Emerald Cut 18K Gold Pendant Necklace – Assay Jewelers
Save 19%
10.52 Carat Forest Green Tourmaline Emerald Cut 18K Gold Pendant Necklace
£4,309.00 GBP
£5,386.00 GBP
25 Carat Aquamarine, Tourmaline, & Diamond 18K Gold Platinum Retro Bracelet – Assay Jewelers
GIA Certified 17.16 Carat Lozenge Cut Rubellite Red Tourmaline Ring – Assay Jewelers
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18K Gold Multi Color Gemstone Vintage Estate X Bezel Bracelet – Assay Jewelers
Save 19%
18K Gold Multi Color Gemstone Vintage Estate X Bezel Bracelet
£7,619.00 GBP
£9,523.00 GBP
GIA Certified 18.61 Carat Pink Tourmaline & Floral Diamond Pendant Necklace – Assay Jewelers
Paraiba Tourmaline and Onyx in 14K Retro Drop Pendant Necklace – Assay Jewelers
GIA Certified 10.47 Carat Green Oval Cut Tourmaline & Diamond in Platinum Cocktail Ring – Assay Jewelers
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GIA Certified 35 Carat Indicolite Tourmaline & Diamond 18K Gold Pendant – Assay Jewelers
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3.5 Carat Green Tourmaline 14K Gold Nugget Mens Ring – Assay Jewelers
3.5 Carat Green Tourmaline 14K Gold Nugget Mens Ring
£4,278.00 GBP
Tiffany & Co. 6.5 Carat Pear Cut Green-Blue Tourmaline and Diamond Platinum Ring – Assay Jewelers
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Vintage 22K Gold Pink Tourmaline Bead Indian Chandelier Drop Earrings – Assay Jewelers
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GIA Cert. 5.52 Carat Rubellite and Diamond Halo Filigree Ring – Assay Jewelers
Certified
GIA Cert. 5.52 Carat Rubellite and Diamond Halo Filigree Ring
£22,589.00 GBP
£27,166.00 GBP
GIA Certified 6.40 Carat Blue Indicolite Tourmaline Vintage Retro Platinum Ring – Assay Jewelers
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10.96 Carat Rubellite Tourmaline and Diamond Accent Platinum Ring – Assay Jewelers
GIA Certified 15.07 Carat Emerald Cut Pink Tourmaline and Diamond Ring – Assay Jewelers
Certified
GIA Certified 15.07 Carat Emerald Cut Pink Tourmaline and Diamond Ring
£6,301.00 GBP
£7,876.00 GBP
4.67 Carat Red Tourmaline and Trillion Diamond Three Stone Platinum Ring – Assay Jewelers
Platinum 3.19 Carat Indicolite Tourmaline & Diamond Vintage Filigree Ring Size 6 – Assay Jewelers
GIA Certified 11.22 Carat Green Tourmaline and Diamond Platinum Filigree Ring – Assay Jewelers
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GIA Certified 8.17 Carat Tourmaline and Diamond Halo Square Shape Platinum Ring – Assay Jewelers
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GIA Certified 6.47 Carat Green Tourmaline East-West Half Bezel 18K Ring – Assay Jewelers
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21.13 Carat Pink Tourmaline & Diamond Floating Pendant Necklace in 14K/18K Gold – Assay Jewelers
Vintage Briolette Cut Green Tourmaline & Diamond Dangling Stud Earrings in 18K – Assay Jewelers
5 Carat Round Cut Green Tourmaline and Diamond Dangle Drop Earrings – Assay Jewelers
Vintage GIA Certified 120 Carat Pear-Shape Pink Rubellite Tourmaline Necklace in 22k Yellow Gold – Assay Jewelers
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Vintage GIA Certified 120 Carat Pear-Shape Pink Rubellite Tourmaline Necklace in 22k Yellow Gold
£20,256.00 GBP
£23,161.00 GBP
Natural 7.64 Carat Paraiba Tourmaline & Marquise Diamond Pendant Necklace in 18K White Gold – Assay Jewelers
Vintage 16 Carat Pink Checkerboard Oval-Cut Tourmaline and Diamond Earring – Assay Jewelers
GIA Certified 11 Carat Bluish Green Pear-Cut Tourmaline & Baguette Diamond Ring – Assay Jewelers
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GIA Certified Hexagon Cut Pink Tourmaline with Diamond Halo Star Shape Ring in 18K White Gold – Assay Jewelers
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GIA Certified Blue-Green Rectangle Cut Tourmaline & Diamond Ring in 18K Carved Gold – Assay Jewelers
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GIA Certified Rectangular Cut Blue-Green Indicolite Tourmaline and Diamond 18K Gold Ring – Assay Jewelers
Certified
Vintage Retro Regal Style 5 Carat Red Tourmaline & Diamond Ring in 18K Gold – Assay Jewelers
5.20 Carat Cushion Checkerboard Cut Pink Tourmaline & Diamond Ring in 18K White Gold – Assay Jewelers
Vintage 4.5 Carat Oval Natural Rubellite Tourmaline & Diamond 18k Ring – Assay Jewelers
7 Carat Trilliant Cut Watermelon Green Tourmaline with Diamond Sides in 18K Gold 2 Tone Ring – Assay Jewelers
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Vintage 6 Carat TW Oval Cut Pinkish-Red Tourmaline with Neon Paraiba Tourmaline and Diamond Ring in 18K Gold – Assay Jewelers
Vivid Pink 7 Carat Radiant Cut Tourmaline Ring with Round Diamond Halo in 18K Gold – Assay Jewelers
Vintage 3 Carat Radiant Cut Vivid Pink/Purple Tourmaline and Diamond Platinum Ring – Assay Jewelers
5.50 Carat Rubellite Tourmaline Carved Heart Motif Filigree East West Ring – Assay Jewelers
Vintage 6 Carat Pinkish Red Oval Cut Tourmaline Bezel Set Unisex Ring in 18K Yellow Gold – Assay Jewelers
Vintage Radiant Cut 4.50 Carat Red Rubellite Tourmaline and Diamond Ring in Platinum and 18K Gold – Assay Jewelers
3.50 Carat Oval Cut Rubellite Tourmaline East West Ring with Tsavorite, Diamond, Platinum & 18k Gold – Assay Jewelers
GIA Certified Oval Cut 7 Carat Purplish Red Tourmaline Ring with Diamond Sides in 18K Gold – Assay Jewelers
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