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Find Your Ring Size

Royal Coster
Diamonds Size
Internal Diameter / Circumference (mm)​

How To Measure

The Hands-on Method​ Measure an Existing Ring
  • 1. Grab a tape measure, length of string or strip of paper.
  • 2. 2. Wrap one of these objects around your finger. Mark the place where the two end of the measuring object come together.
  • 3. When using string or paper grab a ruler. Lay it on a flat surface and measure to where the marked point is.
  • 4. Use the chart presented above to acquire the correct ring size.

Sales Representative Indonesian (Part Time 24-32 hours per week)

Royal Coster Diamonds is the oldest diamond-polishing factory in the world and is located in the heart of Amsterdam, on the Museumplein. The craft of diamond polishing is still central to us. This makes Royal Coster the leading player in the field of loose diamonds and diamond jewelry in the luxury segment. We only sell the best of the best. Customers from all over the world come to Amsterdam especially to buy the most beautiful diamonds and jewelry of the best quality from us.

Job Description

As a Sales Representative, you are primarily responsible for the sale of diamonds, jewelry and watches. An interest in hospitality, customer experience and customer service are essential for this position. In addition to selling and giving memorable tours, you ensure that your customer database remains in order, and you are proactive in maintaining and building customer relationships.

Job Requirements
Fluent knowledge of the Indonesian, English and Dutch language is necessary and good knowledge of the following languages are a plus: German, French, Spanish, Italian.

  • Affinity for diamonds, jewelry and watches or similar luxury goods
  • Customer-oriented, enthusiastic
  • Good communication skills
  • Commercially and results-driven
  • Experience with telemarketing and working with a CRM such as Salesforce, Activecampaign or similar.
  • Ability to work in a fast-paced environment
  • Willing to maintain relationships with customers over the phone and proactively approach new clients
  • Are prepared to work 3-4 days a week (24-32 hours per week)
  • Working hours: between from 8:45 to 17:45. You will be scheduled to work 2 weekends per month.
  • Resident in Amsterdam or in the immediate vicinity

We Offer:
• A 1 year contract with possibility of extension.
• A multicultural work environment.
• An in-company product training about diamonds.
• A fantastic work location on the Museumplein of Amsterdam.

You can send your application letter within 2 weeks, including a CV and photo to: pz@costerdiamonds.com

Royal Coster Diamonds B.V.
Attn. Human Resources
Paulus Potterstraat 2
1071 CZ Amsterdam
Tel: +31 (0)20 305 5572

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