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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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longines

77 Results

Master Collection Automatic 40Mm Black Dial - Royal Coster Diamonds
Master Collection Automatic 40mm - Royal Coster Diamonds
Sale

Master Collection Automatic 40Mm Black Dial

Longines

Regular price € 2.420 € 1.936

Unit price
per 

Master Collection Automatic 40Mm Gold Dial

Longines

€ 4.700

Unit price
per 

Master Collection Automatic 40Mm Silver Dial - Royal Coster Diamonds
Master Collection Automatic 40mm - Royal Coster Diamonds
Sale

Master Collection Automatic 40Mm Silver Dial

Longines

Regular price € 2.700 € 2.160

Unit price
per 

Master Collection Automatic 40Mm Sunray Blue Dial

Longines

€ 3.400

Unit price
per 

Master Collection Moonphase Automatic Chrono 40Mm

Longines

€ 3.900

Unit price
per 

Présence Automatic 25.5Mm Gold Dial - Royal Coster Diamonds
Sale

Présence Automatic 25.5Mm Gold Dial

Longines

Regular price € 1.400 € 1.120

Unit price
per 

Presence Automatic 25.5Mm Silver Dial - Royal Coster Diamonds
Sale

Presence Automatic 25.5Mm Silver Dial

Longines

Regular price € 1.070 € 856

Unit price
per 

Presence Automatic 25.5Mm White Dial - Royal Coster Diamonds
Sale

Presence Automatic 25.5Mm White Dial

Longines

Regular price € 1.120 € 896

Unit price
per 

Longines Présence Automatic 34Mm White Dial - Royal Coster Diamonds
Sale

Présence Automatic 34Mm White Dial

Longines

Regular price € 1.290 € 1.032

Unit price
per 

Présence Automatic 38.5Mm Gold Dial - Royal Coster Diamonds
Sale

Présence Automatic 38.5Mm Gold Dial

Longines

Regular price € 1.640 € 1.312

Unit price
per 

Presence Automatic 38Mm White Matt Dial - Royal Coster Diamonds
Sale

Presence Automatic 38Mm White Matt Dial

Longines

Regular price € 1.640 € 1.312

Unit price
per 

Présence Automatic 40Mm White Dial

Longines

€ 1.560

Unit price
per 

Presence Automatic 40Mm White Matt Dial - Royal Coster Diamonds
Sale

Presence Automatic 40Mm White Matt Dial

Longines

Regular price € 1.770 € 1.416

Unit price
per 

Presence Automatic 40Mm White Matt Dial

Longines

€ 1.500

Unit price
per 

Primaluna 30.5Mm Blue Dial

Longines

€ 1.450

Unit price
per 

Record Automatic 26Mm Mother of Pearl Dial

Longines

€ 2.700

Unit price
per 

Record Automatic 26Mm White Matt Dial

Longines

€ 2.250

Unit price
per 

Record Automatic 40Mm Sunray Silver Dial

Longines

€ 4.200

Unit price
per 

Record Automatic 40Mm White Matt Dial

Longines

€ 2.450

Unit price
per 

Saint-Imier Automatic 38.5Mm Black Dial - Royal Coster Diamonds
Sale

Saint-Imier Automatic 38.5Mm Black Dial

Longines

Regular price € 1.830 € 1.464

Unit price
per 

Spirit Automatic 40Mm Black Dial

Longines

€ 2.450

Unit price
per 

Spirit Automatic 40Mm Blue Dial

Longines

€ 2.450

Unit price
per 

Spirit Automatic 40Mm Dial Green Matt

Longines

€ 2.800

Unit price
per 

Spirit Automatic 40Mm Silver Dial

Longines

€ 2.450

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.