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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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Delivery Time

In Stock

We always strive to deliver your order as quickly as possible. Usually shipping within the Netherlands takes 1 -2 working days. However, the estimated delivery time depends on several factors. For example your location and your order. You can track your order via the supplied Track and Trace code. As soon as your product is shipped by us, we will send you the corresponding Track and Trace code. Your personal diamond advisor can also tell you the status of your order.

Out Of Stock

If we do not have the chosen product in stock, we will make it for you in the desired size/style. Before we send the jewel, it will undergo several checks to guarantee the quality of the jewel. After completion of this, we will send the jewelry to you. The delivery time depends on your order. The estimated delivery time will be 6 to 8 weeks.

Custom made order

If you want to order a personalized item, we will make it (tailor-made) especially for you. Before we send the jewel, it will undergo several checks to guarantee the quality of the jewel. After completion of this, we will send the jewelry to you. The delivery time depends on your order. Please contact your personal diamond advisor about the status of this.

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Visit your favorite items at our Flagship location in Amsterdam.