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Find Your Ring Size

Royal Coster
Diamonds Size
MM / INCH (Circumference)
48 / 1.89 48 4½ 8
49 / 1.93 49 9
50 / 1.97 50 K 10
51 / 2.01 51 L 11
52 / 2.05 52 6 12
53 / 2.09 53 13
54 / 2.13 54 14
55 / 2.17 55 O 15
56 / 2.20 56 P 16
57 / 2.24 57 8 17
58 / 2.28 58 18
59 / 2.31 59 R 19
60 / 2.36 60 9 S 20

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Longines

64 Results

Conquest Automatic 29.5Mm Black Dial - Royal Coster Diamonds
Sale

Conquest Automatic 29.5Mm Black Dial

Longines

Regular price £925.98 £740.78

Unit price
per 

Conquest Automatic 29Mm Sunray Blue Dial - Royal Coster Diamonds
Sale

Conquest Automatic 29Mm Sunray Blue Dial

Longines

Regular price £847.02 £677.62

Unit price
per 

Conquest Automatic 41Mm Sunray silver Dial - Royal Coster Diamonds
Conquest Automatic 41mm - Royal Coster Diamonds
Sale

Conquest Automatic 41Mm Sunray silver Dial

Longines

Regular price £983.40 £786.73

Unit price
per 

Conquest Classic Quartz 34Mm Sunray silver Dial

Longines

£933.15

Unit price
per 

Conquest Quartz 29.5 Mm Sunray blue Dial - Royal Coster Diamonds
Sale

Conquest Quartz 29.5 Mm Sunray blue Dial

Longines

Regular price £918.80 £735.04

Unit price
per 

Conquest Quartz 41Mm Sunray blue Dial

Longines

£681.92

Unit price
per 

Dolcevita Quartz 23X37Mm Silver Dial

Longines

£1,148.49

Unit price
per 

Dolcevita Quartz 37Mm Silver Dial

Longines

£1,435.62

Unit price
per 

Elegant Automatic 34.5Mm White Dial - Royal Coster Diamonds
Sale

Elegant Automatic 34.5Mm White Dial

Longines

Regular price £1,155.68 £924.54

Unit price
per 

Evidenza Automatic 33.1X38.75Mm Silver Dial

Longines

£1,866.31

Unit price
per 

Flagship Automatic 26Mm Yellow Dial

Longines

£1,650.97

Unit price
per 

Flagship Automatic 38.5Mm White Matt Dial

Longines

£1,471.51

Unit price
per 

Flagship Automatic 38.5Mm White matt Dial

Longines

£1,722.75

Unit price
per 

Flagship Automatic 38.5Mm White Matt Dial

Longines

£1,471.51

Unit price
per 

Heritage Classic Chronograph 40Mm Silver/Black Dial

Longines

£2,691.79

Unit price
per 

Hydroconquest Automatic 41Mm Green Dial

Longines

£1,615.07

Unit price
per 

Hydroconquest Automatic 41Mm Sunray Blue Dial

Longines

£1,435.62

Unit price
per 

Hydroconquest Ceramic 41 Mm Grey Dial

Longines

£1,435.62

Unit price
per 

La Grande Classique Automatic 36Mm White Dial - Royal Coster Diamonds
Sale

La Grande Classique Automatic 36Mm White Dial

Longines

Regular price £1,198.75 £958.99

Unit price
per 

La Grande Classique Quartz 24Mm White Dial

Longines

£969.04

Unit price
per 

La Grande Classique Quartz 24Mm White Dial

Longines

£897.27

Unit price
per 

La Grande Classique Quartz 29Mm White Dial

Longines

£1,112.61

Unit price
per 

Legend Diver Automatic 42Mm Brown Dial

Longines

£2,009.87

Unit price
per 

Legend Diver Watch Automatic 42Mm Black and White

Longines

£2,009.87

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.