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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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Coster Creations

Imagine having your very own piece of diamond jewelry, tailored to your preferences. At Royal Coster Diamonds, we make it possible with our concept called ‘Coster Creations’. Our team of diamond experts is here to guide you every step of the way to create your perfect match.

step 1

Choose your Diamond

Since Royal Coster Diamonds has one of the largest collection of loose diamonds in Europe, we guarantee there is a stone that is a perfect match for you. Our diamond experts will take the time to explain about the 4 C’s and ensure that you choose a diamond that speaks to you on every level.

Step 2

Select your setting

After selecting your perfect diamond, it's now time to choose the setting that will truly showcase its brilliance. Whether you're envisioning a stunning ring, elegant earrings, or a timeless necklace, our collection offers options in both classic white and warm yellow 18K gold.

Choose for a classic solitaire setting orconsider a halo or channel setting for a touch of uniqueness. We will place your chosen stone into the setting, allowing you to get a close-up view of your masterpiece.

step 3

Wait for your creation 

Once you’ve made your final choice you can sit back, relax, and watch our highly qualified goldsmith working their magic. Within just 30minutes, your diamond will be expertly set into your chosen setting. And while you wait, why not indulge in a glass of champagne? After all, this is a special moment.

Step 4

The final result

And just like that, your Coster Creation is ready to be worn and admired.

Always dreamt of designing your own diamond jewelry? Now is your chance. Witness your creation come to life in just one daypart. Schedule your appointment now and let us make your dreams a reality.

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