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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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Royal Coster Diamonds

354 Results

14K Bi-Color Gold Diamond Cluster Brushed Wedding Ring

Royal Coster Diamonds

€ 2.100

Unit price
per 

18K Bi-Color Gold Diamond Pave Split Brushed Wedding Ring

Royal Coster Diamonds

€ 2.150

Unit price
per 

18K Gold 0.15 Carat Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 920

Unit price
per 

18K Gold 0.18 Carat Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1.150

Unit price
per 

18K Gold 0.30 Carat Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1.600

Unit price
per 

18K Gold 0.65 Carat Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1.750

Unit price
per 

18K Gold 1.30 Carat Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 3.650

Unit price
per 

18K Gold 2.10 Carat Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 5.150

Unit price
per 

18K Gold Diamond Inserts Brushed Wedding Ring

Royal Coster Diamonds

€ 1.600

Unit price
per 

18K Gold Tapered Half Eternity Diamond Wedding Ring

Royal Coster Diamonds

€ 1.150

Unit price
per 

18K Gold Tension Diamond Wedding Ring

Royal Coster Diamonds

€ 2.700

Unit price
per 

358 Brilliant Cut 20,32 Ct Diamonds 18K White Gold Necklace

Royal Coster Diamonds

Price on request

April Birthstone Bracelet 14K Yellow Gold

Royal Coster Diamonds

€ 580

Unit price
per 

April Birthstone Necklace 14K Yellow Gold

Royal Coster Diamonds

€ 600

Unit price
per 

August Birthstone Bracelet 14K Yellow Gold

Royal Coster Diamonds

€ 219

Unit price
per 

August Birthstone Necklace 14K Yellow Gold

Royal Coster Diamonds

€ 369

Unit price
per 

Bezel Solitaire Stud Earrings 18K Yellow Gold

Royal Coster Diamonds

from € 950

Unit price
per 

Butterfly Bracelet

Royal Coster Diamonds

€ 790

Unit price
per 

Butterfly Bracelets

Royal Coster Diamonds

€ 790

Unit price
per 

Butterfly Earrings

Royal Coster Diamonds

€ 990

Unit price
per 

Butterfly Earrings

Royal Coster Diamonds

€ 990

Unit price
per 

Butterfly Necklace

Royal Coster Diamonds

€ 1.250

Unit price
per 

Butterfly Necklace

Royal Coster Diamonds

€ 1.250

Unit price
per 

Butterfly Ring

Royal Coster Diamonds

€ 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.