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Why not explore our new Luna Collection?

Find Your Ring Size

Royal Coster
Diamonds Size
Internal Diameter / Circumference (mm)​
14,01
14,33
14,65
14,97
15,21
15,61
15,92
16,24
16,56
16,88
17,20
17,52
17,83
18,15
18,47
18,79
19,11

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.

Tennis Necklaces

Tennis jewelry once became famous during an important tennis match but has long been much more than that. The versatility and sophisticated style make tennis jewelry one of the most popular jewelry of all time. The endless row(s) of diamonds provides the feeling of eternal beauty.
engagement workshop

Discover

Our new Tennis collection created by Royal Coster Diamonsd

Four Prong Graduated Diamond Tennis Necklace 18K Gold

Royal Coster Diamonds

from €14.995,00

Unit price
per 

Four Prong Diamond Tennis Necklace 18K White Gold

Royal Coster Diamonds

from €34.500,00

Unit price
per 

Contact a diamond consultant

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