Order before Feb. 10th and get it before Valentine's.

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Lifetime free cleaning and polishing.

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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.
Touch of Glam Collection - Royal Coster Diamonds

Touch of Glam Collection

This collection of diamond jewelry focuses on the youthful woman. The radiantly luxurious and elegant radiate and tell the story of who you are.



These jewels give that extra touch of glamour. They are perfect to give as gifts for the most special events: graduation, the first job/promotion, a moment of love.

2 Results

"You Complete Me" Necklace

Royal Coster Diamonds

€690,00

Unit price
per 

"Ma Bella" Earrings

Royal Coster Diamonds

€800,00

Unit price
per