Levenslange gratis reinigen en polijsten service.

Gratis verzekerde verzending in Europa. Levenslange gratis reinigen en polijsten service.

Gratis verzekerde verzending in Europa. 

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Vindt je ringmaat

Royal Coster Diamonds Maat MM / INCH (Omtrek)
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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Our press team loves working with journalists around the world to share compelling, unique stories. If you’re a member of the media and would like to talk, please get in touch with the appropriate team or send an email to press@royalcoster.com.

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Royal Coster Diamonds

Paulus Potterstraat 2

1071 CZ Amsterdam, The Netherlands

Open from Monday - Sunday: 09:00 - 17:00

Phone Number: (+31) 20 305 5555

ROYAL COSTER DIAMONDS

AT THE HEART OF IT. SINCE 1840.

The world’s oldest and most trusted diamond factory has a rich and compelling history. Royal Coster Diamonds is around for a long time, dating back all the way to at least 1840.

Our Craft

The art of cutting diamonds

At Royal Coster we take pride in our craft. We handpolish all jewels in-house before they receive our trademark Crown. Read how more about our trade.

SIGNATURE CUT

About the Royal 201

Learn about our unqiue and signature cut, the Royal 201 Diamond

EXHIBITION

AN ODE TO PERFECTION

Experience the perfect combination of modern technology, creativity and craftsmanship during this exhibition.

SIGNATURE

SIGNATURE C COLLECTION 

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Recent News

‘An Ode to Perfection’ exposition - Royal Coster Diamonds

'An Ode to Perfection' expositie

'An ode to Perfection' expositieDe expositie ‘An Ode to Perfection’ neemt je mee in de wereld van diamant en slijpvorm. Centraal staat de Royal Coster 201: ‘the...

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Precautions Regarding the Coronavirus - Royal Coster Diamonds

Voorzorgsmaatregelen met betrekking tot het Coronavirus

COVID-19 heeft de wereld in zijn greep. We proberen nu onze weg te vinden van een "intelligente lockdown" naar het "Nieuwe Normaal". Dit geldt ook voor Royal Coster Diamonds. Je...

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