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Find Your Ring Size

Royal Coster
Diamonds Size
MM / INCH (Circumference)
48 / 1.89 48 4½ I½ 8
49 / 1.93 49 4¾ J¾ 9
50 / 1.97 50 5½ K 10
51 / 2.01 51 5¾ L 11
52 / 2.05 52 6 L½ 12
53 / 2.09 53 6¼ M½ 13
54 / 2.13 54 6¾ N½ 14
55 / 2.17 55 7¼ O 15
56 / 2.20 56 7½ P 16
57 / 2.24 57 8 P½ 17
58 / 2.28 58 8¼ Q½ 18
59 / 2.31 59 8¾ R 19
60 / 2.36 60 9 S 20

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574 Results

18K Gold 0.15 Carat Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1,000

Unit price
per 

18K Gold 0.30 Carat Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1,550

Unit price
per 

18K Gold 1.30 Carat Eternity Diamond Wedding Ring

Royal Coster Diamonds

Price on request

Airmaster Automatic 40Mm White Dial

TITONI

€ 970

Unit price
per 

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

American Classic Valiant Automatic 40mm White Dial - Royal Coster Diamonds
Sale

American Classic Valiant Automatic 40mm White Dial

Hamilton

Regular price € 875 € 613

Unit price
per 

Annamaria Cammilli Desert Rose Diamond Stud Earrings 18K Yellow Gold

Annamaria Cammilli

€ 2,160

Unit price
per 

Annamaria Cammilli Dune Assolo Diamond Necklace 18K Yellow Gold

Annamaria Cammilli

€ 2,990

Unit price
per 

Annamaria Cammilli Dune Circle Diamond Ring 18K White Gold

Annamaria Cammilli

€ 2,650

Unit price
per 

Annamaria Cammilli Mini Dune Diamond Stud Earrings 18K White Gold

Annamaria Cammilli

€ 3,950

Unit price
per 

Bangle Bracelet

FJORY

€ 1,599

Unit price
per 

Black satin bracelet - Heart - 14K yellow gold heart bracelet, 15 mm

Royal Coster Diamonds

€ 229

Unit price
per 

Bohème Date Automatic 30Mm White Dial - Royal Coster Diamonds
Bohème Date Automatic 30Mm White Dial - Royal Coster Diamonds
Sale

Bohème Date Automatic 30Mm White Dial

Montblanc

Regular price € 5,700 € 3,990

Unit price
per 

BR 03 Black Diver Ceramic Automatic 42mm - Royal Coster Diamonds
BR 03 Black Diver Ceramic Automatic 42mm - Royal Coster Diamonds
Sale

BR 03 Black Diver Ceramic Automatic 42mm

Bell & Ross

Regular price € 4,990 € 3,743

Unit price
per 

BR 03 Black Diver Steel Automatic 42mm - Royal Coster Diamonds
BR 03 Black Diver Steel Automatic 42mm - Royal Coster Diamonds
Sale

BR 03 Black Diver Steel Automatic 42mm

Bell & Ross

Regular price € 4,500 € 3,375

Unit price
per 

BR 03 Black Matte Automatic 41mm

Bell & Ross

€ 4,300

Unit price
per 

BR 03 Black Steel Automatic 41mm - Royal Coster Diamonds
BR 03 Black Steel Automatic 41mm - Royal Coster Diamonds
Sale

BR 03 Black Steel Automatic 41mm

Bell & Ross

Regular price € 3,800 € 2,850

Unit price
per 

BR 03 Blue Steel Automatic 41mm - Royal Coster Diamonds
BR 03 Blue Steel Automatic 41mm - Royal Coster Diamonds
Sale

BR 03 Blue Steel Automatic 41mm

Bell & Ross

Regular price € 3,800 € 2,850

Unit price
per 

BR 03 Copper Automatic 41mm - Royal Coster Diamonds
BR 03 Copper Automatic 41mm - Royal Coster Diamonds
Sale

BR 03 Copper Automatic 41mm

Bell & Ross

Regular price € 3,990 € 2,993

Unit price
per 

BR 03 Heritage Automatic 41mm - Royal Coster Diamonds
BR 03 Heritage Automatic 41mm - Royal Coster Diamonds
Sale

BR 03 Heritage Automatic 41mm

Bell & Ross

Regular price € 4,500 € 3,375

Unit price
per 

BR 05 Black Ceramic Automatic 41mm - Royal Coster Diamonds
BR 05 Black Ceramic Automatic 41mm - Royal Coster Diamonds
Sale

BR 05 Black Ceramic Automatic 41mm

Bell & Ross

Regular price € 7,600 € 5,700

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.