Contact a diamond consultant

Contact
a diamond consultant

Our award winning diamond consultants help you select the best diamond jewellery for any budget.
  • This field is for validation purposes and should be left unchanged.

Diamond experts for each region of the world

The biggest strength of Royal Coster Diamonds are the people who work with us. Our diamond consultants each have a staff of native speakers from their region and together they combine their in depth knowledge of diamonds and diamond jewelry with the latest developments and (classic) styles that are popular in their country. Who better to help you select a piece of diamond jewelry than a somebody from  your own country, who can visit you and who you can speak freely with about the diamond of your dreams.

Mrs. Betty Zhong

Director Far East

Email: Bettyzhong@costerdiamonds.com

Phone Number: +31 (0) 20 3055 461

Mr. Bagrat Edilian

Area Manager Central/Eastern Europe

Email: bagratedilian@costerdiamonds.com

Phone Number: +31 (0) 20 3055 564

Mr. Nenad Popovic

International Country Manager

Email: nenadpopovic@costerdiamonds.com

Phone Number: +31 (0) 20 3055 515

Mr. Ibnu Gribaldi

Country Manager Indonesia

Email: Ibnugribaldi@costerdiamonds.com

Phone Number: +31 (0) 20 3055 465

Mrs. Miwa Ota

Country Manager Japan

Email: miwaota@costerdiamonds.com

Phone Number: +31 (0) 20 3055 457

Mrs. Lydia Velasco

Manager Spain, Portugal and South America

Email: lydiabetorz@costerdiamonds.com

Phone Number: +31 (0) 20 3055 561

Mrs. Jung-Ah Hyun

Country Manager Korea

Email: jungahhyun@costerdiamonds.com

Phone Number: +31 (0) 20 3055 466

Mrs. Pinky Chan

Country Manager Hong Kong

Email: pinkychan@costerdiamonds.com

Phone Number: +31 (0) 20 3055 468

Mrs. Nareerat Witee

Country Manager Thailand & Vietnam

Email: nareeratwitee@costerdiamonds.com

Phone Number: +31 (0) 20 3055 469

Coster Diamonds