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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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582 Results

Elegance Record Automatic 40mm Sunray Silver Dial

Longines

€ 4,200

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Embellished Halo 0.25 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 0.25 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 0.50 Carat Brilliant Cut Diamond 18K White Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 0.70 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 0.70 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 1.00 Carat Brilliant Cut Diamond 18K White Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 1.50 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Halo 1.50 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Solitaire 0.25 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Solitaire 0.25 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Solitaire 1.00 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Solitaire 1.50 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Embellished Solitaire 1.50 Carat Brilliant Cut Diamond 18K Gold Ring

Royal Coster Diamonds

€ 0

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Emerald cut Necklace

Royal Coster Diamonds

€ 900

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Emerald cut Necklace

Royal Coster Diamonds

€ 900

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Emerald cut Ring

Royal Coster Diamonds

€ 840

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Essential Stack Earrings

Royal Coster Diamonds

€ 105

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Eternity Bracelet

Royal Coster Diamonds

€ 1,050

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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.