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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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When love is in the air

ROYAL ENGAGEMENT EXPERIENCE

Make it a truly unforgettable moment

  • Royal Engagement Experience offers couples a comprehensive diamond education and an opportunity to explore various engagement rings.
  • Couples can try on different rings while goldsmiths set the diamond and adjust the ring to their preference.
  • The experience includes witnessing the diamond-making process in the oldest working diamond factory and learning about the rich history of diamonds.
  • Our goal is to create a romantic, original, and unforgettable engagement or anniversary surprise with a deep appreciation for diamonds.
  • The 2-hour consult includes a glass of Champagne, a private setting and a surprise goodiebag

Experience Luxury Shopping in the heart of amsterdam

ROYAL ENGAGEMENT EXPERIENCE

Are you getting engaged soon? And are you looking for a suitable ring with a unique diamond? Make it unforgettable with our special Royal Engagement Experience!

Our Royal Engagement Experience is especially designed for couples preparing for an engagement (or anniversary) and who want to learn more about diamonds. We will show you all types of engagement rings, tell you about the different cutting techniques and how a diamond is graded. Of course, you may try them all. While the goldsmiths ensure that the diamond is set and the ring is adjusted immediately, you can enjoy a glass of champagne. So, if you are looking for a unique marriage proposal or anniversary surprise, the Royal Engagement Experience is a great way to do just that. It’s romantic, original, and unforgettable!

Since our founding in 1840, our artisans have been creating precious diamonds for royalties around the world. They have made the most beautiful diamond jewelry. Now you and your loved one can experience up close how our timeless jewelry is made in the oldest working diamond factory in the world. We will share with you the rich history of diamonds, and you'll witness firsthand how our artisans cut and polish the rough stones into sparkling diamonds.

Buying an engagement ring is already special, but when you combine this with more knowledge and appreciation of diamonds, it becomes an unforgettable experience!

free diamond tour & workshops

visit royal coster

Book an experience and learn about our heritage or visit us to see more diamonds & jewelry