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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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170 Results

Captain Cook High-Tech Ceramic Diver 43Mm

Rado

€ 4.000

Unit price
per 

Constellation Automatic 29Mm Silver Dial - Royal Coster Diamonds
Sale

Constellation Automatic 29Mm Silver Dial

OMEGA

Regular price € 7.600 € 6.080

Unit price
per 

Seamaster Aqua Terra Quartz 28Mm Black Dial - Royal Coster Diamonds
Sale

Seamaster Aqua Terra Quartz 28Mm Black Dial

OMEGA

Regular price € 3.600 € 2.880

Unit price
per 

Seamaster Aqua Terra Automatic 34Mm White Dial - Royal Coster Diamonds
Sale

Seamaster Aqua Terra Automatic 34Mm White Dial

OMEGA

Regular price € 8.100 € 6.480

Unit price
per 

Jazzmaster Open Heart Automatic 40Mm Green Dial

HAMILTON

€ 1.225

Unit price
per 

Polo S Automatic 36Mm Blue Dial - Royal Coster Diamonds
Polo S Automatic 36mm - Royal Coster Diamonds
Sale

Polo S Automatic 36Mm Blue Dial

Piaget

Regular price € 14.600 € 11.680

Unit price
per 

Cosmo Automatic 40Mm Yellow Dial - Royal Coster Diamonds
Cosmo Automatic 40Mm Yellow Dial - Royal Coster Diamonds
Sale

Cosmo Automatic 40Mm Yellow Dial

TITONI

Regular price € 970 € 776

Unit price
per 

Master Collection Automatic 38.5mm White Dial

Longines

€ 2.350

Unit price
per 

Formula 1 x Red Bull Racing Quartz Chrono 43mm - Royal Coster Diamonds
Formula 1 x Red Bull Racing Quartz Chrono 43mm - Royal Coster Diamonds
Sale

Formula 1 x Red Bull Racing Quartz Chrono 43mm

TAG Heuer

Regular price € 2.150 € 1.720

Unit price
per 

Conquest Classic Quartz 34Mm Sunray silver Dial

Longines

€ 1.300

Unit price
per 

Hyperchrome Chronograph 44.9Mm Blue Dial

Rado

€ 1.800

Unit price
per 

Ceramica Quartz 30 X 41.7Mm Black Dial - Royal Coster Diamonds
Sale

Ceramica Quartz 30 X 41.7Mm Black Dial

Rado

Regular price € 2.500 € 2.000

Unit price
per 

Primaluna 30.5Mm Blue Dial

Longines

€ 1.450

Unit price
per 

True Square Automatic Open Heart 38Mm

Rado

€ 2.900

Unit price
per 

Florence Classic Diamonds 30Mm Black Dial

Rado

€ 1.250

Unit price
per 

True Thinline Diamonds Quartz 30Mm

Rado

€ 2.580

Unit price
per 

True Diamonds Quartz 30Mm Black Dial

Rado

€ 1.900

Unit price
per 

Ceramica Diamonds Quartz 22.9 X 31.7Mm Black Dial - Royal Coster Diamonds
Sale

Ceramica Diamonds Quartz 22.9 X 31.7Mm Black Dial

Rado

Regular price € 3.500 € 2.800

Unit price
per 

True Thinline Quartz 39Mm Grey Dial

Rado

€ 2.470

Unit price
per 

Integral Quartz 31Mm Black Dial

Rado

€ 2.300

Unit price
per 

Legend Diver Watch Automatic 42Mm Black and White

Longines

€ 2.800

Unit price
per 

Carrera Automatic Chronograph 44Mm Black Dial - Royal Coster Diamonds
Sale

Carrera Automatic Chronograph 44Mm Black Dial

TAG Heuer

Regular price € 6.450 € 5.160

Unit price
per 

Double Heart Beat Automatic 34Mm - Royal Coster Diamonds
Sale

Double Heart Beat Automatic 34Mm

Frederique Constant

Regular price € 3.295 € 2.636

Unit price
per 

1858 Geosphere Automatic 42mm - Royal Coster Diamonds
1858 Geosphere Automatic 42mm - Royal Coster Diamonds
Sale

1858 Geosphere Automatic 42Mm Black Dial

Montblanc

Regular price € 6.000 € 4.800

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.