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Find Your Ring Size

Royal Coster
Diamonds Size
MM / INCH (Circumference)
48 / 1.89 48 4½ I½ 8
49 / 1.93 49 4¾ J¾ 9
50 / 1.97 50 5½ K 10
51 / 2.01 51 5¾ L 11
52 / 2.05 52 6 L½ 12
53 / 2.09 53 6¼ M½ 13
54 / 2.13 54 6¾ N½ 14
55 / 2.17 55 7¼ O 15
56 / 2.20 56 7½ P 16
57 / 2.24 57 8 P½ 17
58 / 2.28 58 8¼ Q½ 18
59 / 2.31 59 8¾ R 19
60 / 2.36 60 9 S 20

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582 Results

Gold necklace - Teardrop - 14K gold set with a teardrop zirconia

Royal Coster Diamonds

£240.99

Unit price
per 

Gold necklace - Zirconia - 9K yellow gold necklace with zirconia

Royal Coster Diamonds

£155.68

Unit price
per 

Gold pendant - Engraving - 14K yellow gold engraving pendant, 16 mm

Royal Coster Diamonds

£155.68

Unit price
per 

Gold pendant - Engraving - 9K yellow gold engraving pendant, 16 mm

Royal Coster Diamonds

£155.68

Unit price
per 

Gold pendant - Engraving heart - 9K yellow gold engraving pendant, 14 mm

Royal Coster Diamonds

£95.97

Unit price
per 

Gold pendant - Halo - 9K gold set with a halo zirconia

Royal Coster Diamonds

£70.38

Unit price
per 

Gold pendant - Heart - 9K yellow gold with heart pendant

Royal Coster Diamonds

£74.65

Unit price
per 

Gold pendant - Heart engraving - 9K yellow gold engraving pendant, 13 mm

Royal Coster Diamonds

£91.70

Unit price
per 

Gold pendant - Pearl - 9K yellow gold set with a freshwater pearl

Royal Coster Diamonds

£56.16

Unit price
per 

Gold pendant - Pink zirconia - 14K gold set with a pink zirconia

Royal Coster Diamonds

£155.68

Unit price
per 

Heart Beat Diamond Automatic 34Mm - Royal Coster Diamonds
Sale

Heart Beat Diamond Automatic 34Mm

Frederique Constant

Regular price £2,765.32 £1,935.72

Unit price
per 

Heart Diamond Necklace

Royal Coster Diamonds

£5,232.07

Unit price
per 

Heart Duo Necklace

Royal Coster Diamonds

£554.49

Unit price
per 

Heart Necklace

Royal Coster Diamonds

£703.77

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per 

Heart Necklace

Royal Coster Diamonds

£204.02

Unit price
per 

Heartbeat Bracelet

Royal Coster Diamonds

£440.75

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per 

Heartbeat Necklace

Royal Coster Diamonds

£604.25

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per 

Heartbeat Necklace

Royal Coster Diamonds

£668.23

Unit price
per 

Heritage Legend Diver Automatic 42mm Brown Dial

Longines

£1,990.46

Unit price
per 

Hydroconquest Automatic 39mm

Longines

£1,563.93

Unit price
per 

HydroConquest Automatic 41mm Matt Green Dial

Longines

£1,599.47

Unit price
per 

HyperChrome Automatic Diamonds 36mm

Rado

£2,488.08

Unit price
per 

Infinity Bracelet

Royal Coster Diamonds

£390.99

Unit price
per 

Find your Signature ring

The Signature rings collection brings together the best rings from all of our signature collections. Whether it’s the bright colors of the Rainbow collection, the stylish Nikkie collection, the famous Royal 201 Signature C collection, the timeless Coster Classic collection, or the romantic rings from our Engagement and Wedding collection, every ring is chosen for its stunning look and fine quality.

This special collection is the very best we have. It includes many different designs, all made with the finest care and luxury in mind. Skilled craftsmen make each ring by hand, picking diamonds that shine and sparkle brightly. These signature rings show the top quality that we offer more than 180 years.

The Signature rings collection is perfect for someone who wants a ring that stands out. With everything from rings with many colors to simple and elegant designs, this collection lets you find the perfect ring that fits your own style and tells your personal story.

Get your dream ring

Whether you’ve set your eyes on an a wedding ring or a rainbow ring, we have what you’re looking for. We have many different ring settings. We can make one exactly how you want it and with the kind of diamonds you want. Contact us to find your dream rings.