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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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174 Results

Record Automatic 40Mm Sunray Silver Dial

Longines

€ 4.200

Unit price
per 

Miss Lovely Automatic 33.5Mm Silver Dial - Royal Coster Diamonds
Sale

Miss Lovely Automatic 33.5Mm Silver Dial

TITONI

Regular price € 1.100 € 880

Unit price
per 

Altiplano Automatic 38Mm Silver Dial - Royal Coster Diamonds
Altiplano Automatic 38mm - Royal Coster Diamonds
Sale

Altiplano Automatic 38Mm Silver Dial

Piaget

Regular price € 17.900 € 14.320

Unit price
per 

Lyre Automatic 38Mm White Matt Dial

Longines

€ 1.410

Unit price
per 

Flagship Automatic 38.5Mm White matt Dial

Longines

€ 2.400

Unit price
per 

Elegant Automatic 34.5Mm White Dial - Royal Coster Diamonds
Sale

Elegant Automatic 34.5Mm White Dial

Longines

Regular price € 1.610 € 1.288

Unit price
per 

Link Automatic 41Mm Black Dial - Royal Coster Diamonds
Link Automatic 41mm - Royal Coster Diamonds
Sale

Link Automatic 41Mm Black Dial

TAG Heuer

Regular price € 3.450 € 2.760

Unit price
per 

Impetus Automatic 40Mm White Dial - Royal Coster Diamonds
Sale

Impetus Automatic 40Mm White Dial

TITONI

Regular price € 1.070 € 856

Unit price
per 

Présence Automatic 25.5Mm Gold Dial

Longines

€ 1.400

Unit price
per 

Slimline Quartz 39Mm

Frederique Constant

€ 750

Unit price
per 

Aquaracer Quartz 35Mm Blue Dial - Royal Coster Diamonds
Aquaracer Quartz 35mm - Royal Coster Diamonds
Sale

Aquaracer Quartz 35Mm Blue Dial

TAG Heuer

Regular price € 1.900 € 1.520

Unit price
per 

Altiplano Automatic 40Mm Silver Dial - Royal Coster Diamonds
Altiplano Automatic 40mm - Royal Coster Diamonds
Sale

Altiplano Automatic 40Mm Silver Dial

Piaget

Regular price € 27.500 € 22.000

Unit price
per 

Lyre Automatic 25Mm White Matt Dial

Longines

€ 1.310

Unit price
per 

Spirit Automatic 40Mm Black Dial

Longines

€ 2.450

Unit price
per 

Slimline Quartz 38.4Mm Silver Dial - Royal Coster Diamonds
Sale

Slimline Quartz 38.4Mm Silver Dial

Frederique Constant

Regular price € 750 € 600

Unit price
per 

Altiplano Automatic 43Mm Silver Dial - Royal Coster Diamonds
Sale

Altiplano Automatic 43Mm Silver Dial

Piaget

Regular price € 23.700 € 18.960

Unit price
per 

True Automatic Diamonds 30Mm

Rado

€ 2.500

Unit price
per 

Impetus Automatic 38Mm White Dial - Royal Coster Diamonds
Sale

Impetus Automatic 38Mm White Dial

TITONI

Regular price € 995 € 796

Unit price
per 

La Grande Classique Automatic 36Mm White Dial

Longines

€ 1.670

Unit price
per 

Master Collection Automatic 29Mm Gold Dial

Longines

€ 3.600

Unit price
per 

Master Collection Automatic 29Mm Sunray Blue Dial

Longines

€ 1.980

Unit price
per 

Record Automatic 40Mm White Matt Dial

Longines

€ 2.450

Unit price
per 

Jazzmaster Quartz 40Mm Brown Dial - Royal Coster Diamonds
Jazzmaster Quartz 40Mm Brown Dial - Royal Coster Diamonds
Sale

Jazzmaster Quartz 40Mm Brown Dial

Hamilton

Regular price € 625 € 500

Unit price
per 

Cosmo Automatic 41Mm White Dial - Royal Coster Diamonds
Cosmo Automatic 41Mm White Dial - Royal Coster Diamonds
Sale

Cosmo Automatic 41Mm White Dial

TITONI

Regular price € 790 € 632

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.