Katherine James

Katherine James

London, England

A beautifully curated collection of modern, vintage and antique fine jewellery. For over a decade, Katherine James has been quietly providing those in-the-know with red carpet ready, heirloom-quality jewels, using expertly-sourced gemstones, the finest materials, and our impeccable attention to detail.

In stock

On sale

Vintage Amethyst Pendant Necklace in 9ct Yellow Gold

Certified 31.86 Carat Aquamarine Pendant in Platinum

Beautiful Round Cut Certified Ruby and Natural Diamond Pendant Necklace in 18ct Yellow Gold

0.82 CTW Tanzanite and Natural Diamond Pendant Necklace in 9ct White Gold

Beautiful Pearl and Natural Diamond Pendant Necklace in 18ct Yellow Gold

Emerald and Diamond Hoop Earrings in 18ct Yellow Gold

8.86 CTW Oval Pearl and Diamond Drop Earrings in 18ct White Gold

1.09 CTW Oval Cut Certified Ruby and Natural Diamond Halo Stud Earrings in 18ct Yellow Gold

3.19 CTW Marquise Cut Lab Diamond Engagement Ring in 18ct Yellow Gold

9.98 CTW Santa Maria Aquamarine and Natural Diamond Halo Ring in Platinum

2.71 CTW Oval Cut Lab Diamond Double Halo Engagement Ring in Platinum

3.98 CTW Marquise Cut Lab Diamond Engagement Ring in Platinum

7.36 Carat Hessonite Garnet and Natural Diamond Ring in 18ct Gold

0.50 CTW Emerald Eternity Stacking Ring in Sterling Silver

3.50 CTW Oval Cabochon Cut Rose Quartz and Moissanite Halo Cocktail Ring

3.01 Carat Pear Cut D Colour Lab Diamond Solitaire Engagement Ring in Platinum

4.11 CTW Peridot Five Stone Eternity Ring in 9ct Yellow Gold

4.07 Carat Oval Cut Mint Tourmaline and 0.80 CTW Natural Diamond Ring in Platinum

4.32 CTW Emerald Cut Bezel Set Lab Diamond Ring in 18ct Yellow Gold

1.27 Carat Purple Sapphire and 1.02ctw Natural Diamond Halo Ring in Platinum

32.17 CTW Natural Diamond Necklace in 18ct White Gold

4.10 CTW Cushion Cut D Colour VS1 Lab Diamond Three Stone Ring in Platinum

3.85 Carat Green Tourmaline and 1.84ctw Natural Diamond Ring in 18ct Yellow Gold

4.00 CTW Moissanite Daisy Cluster Halo Engagement Ring in Sterling Silver

6.25 Carat Unheated Blue Ceylon Sapphire and 0.95 Carat Diamond Ring

1.20 Carat Purple Sapphire and 0.41ctw Natural Diamond Halo Ring in Platinum

3.92 CTW Oval Cut Lab Diamond Double Halo Engagement Ring in Platinum

6.35 CTW Cut Teal Tourmaline and Natural Diamond Ring in Platinum

3.05 Carat Pear Cut D Colour Lab Diamond Solitaire Engagement Ring in Platinum

3.04 Carat Emerald Cut D Colour VS1 Lab Diamond Solitaire Engagement Ring in Platinum

1.95 CTW Oval Cut Lab Diamond Solitaire Engagement Ring in 18ct Yellow Gold

2.11 CTW Oval Cut Emerald and Natural Diamond Double Halo Ring in Platinum

6.50 CTW Blue Topaz and Pink Tourmaline Halo Ring in Sterling Silver

0.47ctw Natural Pink Sapphire and Moissanite Eternity Stacking Ring in Sterling Silver

4.00 Carat Georgian Style Button Back Cushion Cut Moissanite East West Solitaire Ring in Sterling Silver

1.18 CTW Aquamarine and Natural Diamond Three Stone Ring in Platinum and 18ct Yellow Gold

3.68 CTW Blue Ceylon Sapphire and Natural Diamond Three Stone Engagement Ring in Platinum

2.18 CTW Oval Cut Teal Sapphire and Natural Diamond Halo Ring in Platinum

1.81 CTW Pink Sapphire and Natural Diamond Ring in Platinum

8.07 CTW Certified Santa Maria Aquamarine and Natural Diamond Halo Ring in Platinum

1.56 CTW Green Sapphire and Natural Diamond Ring in 18ct Yellow Gold

1.21 CTW Ruby and Natural Diamond Double Daisy Halo Ring in Platinum

3.02 Carat Blue Ceylon Sapphire and 0.91 CTW Natural Diamond Halo Ring in Platinum

4.04 CTW Pear Cut Fancy Yellow Lab Diamond Three Stone Engagement Ring in 18ct Yellow and White Gold

2.58 Carat Cushion Cut GIA Zambian Emerald and 1.07 CTW Natural Diamond Halo Ring in Platinum and 18ct Yellow Gold

2.35 CTW Pear Cut Fancy Yellow Lab Diamond Halo Engagement Ring in Platinum

2.49 Carat Tsavorite Garnet and 0.83 Carat Diamond Three Stone Engagement Ring in Platinum

2.58 CTW Marquise Cut Lab Diamond Halo Engagement Ring in Platinum

1.16 CTW Heart Shape Emerald and Natural Diamond Halo Ring in 18ct Yellow Gold

2.08 CTW Oval-Cut Ruby and Natural Diamond Halo Ring in Platinum

2.50 Carat Emerald Cut Lab Diamond Solitaire Engagement Ring in 18ct Yellow Gold

4.53 CTW Oval Cut Aquamarine and Natural Diamond Halo Engagement Ring in Platinum

3.58 CTW Oval Cut Lab Diamond Halo Engagement Ring in Platinum

3.08 CTW Cushion Cut Pink Sapphire and Natural Diamond Art Deco Style Ring in Platinum

5.11 CTW Radiant Cut D Colour VS1 Lab Diamond Five Stone Ring in Platinum and 18ct Yellow Gold

3.56 CTW Radiant Cut D Colour VVS Lab Diamond Five Stone Ring in Platinum

2.56 Carat Heart Shape Ceylon Sapphire and Natural Diamond Halo Ring in Platinum

8.29 CTW Radiant Cut Fancy Yellow Lab Diamond Three Stone Engagement Ring in Platinum and 18ct Yellow Gold

4.59 CTW Oval Cut Lab Diamond Halo Engagement Ring in 18ct Yellow Gold

15.48 Carat Certified Santa Maria Aquamarine and 1.87ctw Natural Diamond Halo Ring in Platinum

5.09 CTW Radiant Cut D Colour VVS2 Lab Diamond Five Stone Ring in Platinum

6.37 Carat Gubelin Certed No Heat Blue Ceylon Sapphire and 1.80 CTW Natural Diamond Halo Ring in Platinum

4.12 CTW Fancy Radiant Cut Pink Lab Grown Diamond Graduated Three Stone Ring in Platinum

8.44 Carat Asscher Cut Green Tourmaline and 1.38ctw Natural Diamond Ring in Platinum

0.47ctw Natural Sapphire and Natural Diamond Eternity Stacking Ring in 9ct Yellow Gold

0.47ctw Natural Ruby and Natural Diamond Eternity Stacking Ring in 9ct Yellow Gold

0.47ctw Natural Emerald and Natural Diamond Eternity Stacking Ring in 9ct Yellow Gold

2.63 CTW Morganite and Natural Diamond Ring in 18ct Rose Gold

3.74 CTW Emerald Cut Lab Diamond Halo Engagement Ring in 18ct Yellow Gold

2.03 Carat Morganite and 0.45ctw Natural Diamond Ring in Platinum

3.72 Carat Blue Ceylon Sapphire and 0.91ctw Natural Diamond Halo Ring in Platinum

Masterpiece Showstopper 5.44 CTW Ceylon Sapphire and Natural Diamond Halo Cocktail Ring in Platinum

1.98 CTW Blue Ceylon Sapphire and Natural Diamond Halo Ring in Platinum

1.95 Carat Purple Sapphire and 0.97ctw Natural Diamond Halo Ring in Platinum

1.62 CTW Oval Cut Emerald and Natural Diamond Ballerina Ring in 18ct Yellow Gold

6.29 CTW Art Deco Style Aquamarine and Diamond Ring in 18ct White Gold

1.76 CTW Oval Cut Emerald and Natural Diamond Ring in 18ct Yellow Gold

4.32 CTW Oval Cut Aquamarine and Natural Diamond Halo Engagement Ring in Platinum

3.17 Carat Blue Ceylon Sapphire and 0.87 CTW Natural Diamond Halo Ring in Platinum

2.66 CTW Teal Sapphire and Natural Diamond Ring in Platinum

4.71 CTW Emerald Cut Pink Tourmaline and Natural Diamond Halo Ring in Platinum

1.16 CTW Pear Cut Ruby and Natural Diamond Ring in Platinum

2.26 Carat Yellow Sapphire and 0.92 ctw Natural Diamond Ring in 18ct Yellow Gold

5.69 CTW Cushion Cut Aquamarine and Diamond Engagement Ring in Platinum

10.06 Carat Emerald Cut Moissanite Halo Engagement Ring in Sterling Silver

3.15 CTW Round Cut Trefoil Moissanite Three Stone Style Ring in Sterling Silver

2.00 CTW Oval Cut Kyanite Moissanite Halo Ring in Sterling Silver

3.09 CTW Round Cut Moissanite Halo Engagement Ring in Sterling Silver

3.10 CTW Emerald Cut Moissanite and Blue Topaz Halo Ring in Sterling Silver

3.40 CTW Round and Heart Shape Moissanite Three Stone Ring in Sterling Silver

3.10 CTW Emerald Cut Moissanite Halo Ring in Sterling Silver

5.38 CTW Emerald Cut Moissanite Halo Cocktail Ring in Sterling Silver

1.10 CTW Tanzanite Eternity Stacking Ring in Sterling Silver

1.10 CTW Aquamarine Eternity Stacking Ring in Sterling Silver

49.01 CTW Moissanite and Garnet Bracelet in Sterling Silver

186.00 CTW Moissanite Necklace in Sterling Silver

175.00 CTW Moissanite and Blue Topaz Necklace in Sterling Silver

170.86 CTW Moissanite and Garnet Necklace in Sterling Silver

5.67 Carat Round Cut Moissanite Solitaire Engagement Ring in Sterling Silver

28.00 Carat Pear Cut Blue Topaz and 6.00 CTW Moissanite Earrings in Sterling Silver

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