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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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20 Results

Altiplano Automatic 24Mm Silver Dial - Royal Coster Diamonds
Sale

Altiplano Automatic 24Mm Silver Dial

Piaget

Regular price € 12.000 € 9.600

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 

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 

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

Altiplano Automatic 40Mm Silver Dial

Piaget

Regular price € 26.300 € 21.040

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 

Limelight Gala Quartz 26Mm Silver Dial

PIAGET

€ 23.300

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per 

Limelight Gala Quartz 26Mm Silver Dial

PIAGET

€ 24.600

Unit price
per 

Limelight Gala Quartz 32Mm Silver Dial - Royal Coster Diamonds
Sale

Limelight Gala Quartz 32Mm Silver Dial

Piaget

Regular price € 35.900 € 28.720

Unit price
per 

Limelight Gala Quartz 32Mm Silver Dial - Royal Coster Diamonds
Limelight Gala Quartz 32mm - Royal Coster Diamonds
Sale

Limelight Gala Quartz 32Mm Silver Dial

Piaget

Regular price € 44.800 € 35.840

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per 

Polo Automatic 42Mm Black Dial - Royal Coster Diamonds
Sale

Polo Automatic 42Mm Black Dial

Piaget

Regular price € 11.700 € 9.360

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per 

Polo Automatic 42Mm Blue Dial

PIAGET

€ 13.400

Unit price
per 

Polo Automatic 42Mm Grey Dial

PIAGET

€ 13.400

Unit price
per 

Polo Automatic Chronograph 42Mm Blue Dial

PIAGET

€ 16.400

Unit price
per 

Polo Automatic Chronograph 42Mm Grey Dial

PIAGET

€ 16.600

Unit price
per 

Polo Chronograph Watch 42Mm Dial Silver

PIAGET

€ 17.600

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 

Possession Quartz 34Mm Silver Dial - Royal Coster Diamonds
Possession Quartz 34mm - Royal Coster Diamonds
Sale

Possession Quartz 34Mm Silver Dial

Piaget

Regular price € 20.100 € 16.080

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per 

Possession Quartz 29Mm Silver Dial

PIAGET

€ 15.900

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per 

Possession Quartz 29Mm Silver Dial - Royal Coster Diamonds
Sale

Possession Quartz 29Mm Silver Dial

Piaget

Regular price € 10.600 € 8.480

Unit price
per 

Possession Quartz 34 Mm Silver Dial

PIAGET

€ 5.850

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.