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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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Hamilton

22 Results

American Classic Spirit Of Liberty Automatic 42Mm Brown Dial - Royal Coster Diamonds
American Classic Spirit of Liberty Automatic 42mm - Royal Coster Diamonds
Sale

American Classic Spirit Of Liberty Automatic 42Mm Brown Dial

Hamilton

Regular price € 1.095 € 876

Unit price
per 

Jazzmaster Automatic 30Mm Grey Dial - Royal Coster Diamonds
Sale

Jazzmaster Automatic 30Mm Grey Dial

Hamilton

Regular price € 720 € 576

Unit price
per 

Jazzmaster Automatic 34Mm Silver Dial - Royal Coster Diamonds
Jazzmaster Automatic 34Mm Silver Dial - Royal Coster Diamonds
Sale

Jazzmaster Automatic 34Mm Silver Dial

Hamilton

Regular price € 965 € 772

Unit price
per 

Jazzmaster Open Heart Automatic 34Mm Silver Dial - Royal Coster Diamonds
Jazzmaster Open Heart Automatic 34mm - Royal Coster Diamonds
Sale

Jazzmaster Open Heart Automatic 34Mm Silver Dial

Hamilton

Regular price € 1.275 € 1.020

Unit price
per 

Jazzmaster Open Heart Automatic 40Mm

HAMILTON

€ 1.095

Unit price
per 

Jazzmaster Open Heart Automatic 40Mm Black Dial

HAMILTON

€ 1.045

Unit price
per 

Jazzmaster Open Heart Automatic 40Mm Green Dial

HAMILTON

€ 1.225

Unit price
per 

Jazzmaster Open Heart Automatic 40Mm Silver Dial

Hamilton

€ 1.045

Unit price
per 

Jazzmaster Quartz 34Mm Blue Dial - Royal Coster Diamonds
Jazzmaster Quartz 34mm - Royal Coster Diamonds
Sale

Jazzmaster Quartz 34Mm Blue Dial

Hamilton

Regular price € 615 € 492

Unit price
per 

Jazzmaster Quartz 40 Mm Blue Dial

HAMILTON

€ 645

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 

Jazzmaster Viewmatic Automatic 40Mm Black Dial

Hamilton

€ 895

Unit price
per 

Khaki Aviation Day Date Automatic 42Mm Black Dial

Hamilton

€ 1.145

Unit price
per 

Khaki Aviation Pilot Pioneer Chrono Quartz 41Mm Black Dial - Royal Coster Diamonds
Sale

Khaki Aviation Pilot Pioneer Chrono Quartz 41Mm Black Dial

Hamilton

Regular price € 745 € 596

Unit price
per 

Khaki Aviation X-Wind Day Date Automatic 45Mm Black Dial

Hamilton

€ 1.345

Unit price
per 

Khaki Field Day Date Automatic 42Mm Black Dial

Hamilton

€ 1.095

Unit price
per 

Khaki Navy Pioneer Automatic 43Mm Silver Dial - Royal Coster Diamonds
Khaki Navy Pioneer Automatic 43mm - Royal Coster Diamonds
Sale

Khaki Navy Pioneer Automatic 43Mm Silver Dial

HAMILTON

Regular price € 1.075 € 860

Unit price
per 

Khaki Navy Scuba Automatic 40Mm Black Dial

HAMILTON

€ 895

Unit price
per 

Ventura Elvis80 Automatic 42.5Mm X 44.6Mm

HAMILTON

€ 1.755

Unit price
per 

Ventura Quartz 32.3 X 50.3Mm

HAMILTON

€ 965

Unit price
per 

Ventura S Quartz 34.5 X 38Mm Mother of Pearl Dial

HAMILTON

€ 825

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.