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

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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.
rainbow collection, rainbow jewelry, colour diamonds, rings, necklace, bracelet

The Rainbow Collection

All the colors of the rainbow form the fundament of our unique Rainbow Collection. The combination of sparkling sapphires and diamonds in our Rainbow Collection create a playful whole of color and light for you to shine in any way you want to.

10 Results

Rainbow Single Pave Ring 18K Rose Gold

Royal Coster Diamonds

€1.850,00

Unit price
per 

Rainbow Single Small Pave Earrings 18K Rose Gold

Royal Coster Diamonds

€2.300,00

Unit price
per 

Rainbow Twist Pave Ring 18K Rose Gold

Royal Coster Diamonds

€2.650,00

Unit price
per 

Rainbow Pave Bracelet 18K Rose Gold

Royal Coster Diamonds

€6.150,00

Unit price
per 

Rainbow Small Eternity Pendant 18K Rose Gold

Royal Coster Diamonds

€2.120,00

Unit price
per 

Rainbow Double Pave Ring 18K Rose Gold

Royal Coster Diamonds

€3.200,00

Unit price
per 

Rainbow Double Pave Earrings 18K Rose Gold

Royal Coster Diamonds

€2.900,00

Unit price
per 

Rainbow Triple Pave Ring 18K Rose Gold

Royal Coster Diamonds

€4.100,00

Unit price
per 

Rainbow Single Big Pave Earrings 18K Rose Gold

Royal Coster Diamonds

€2.500,00

Unit price
per 

Rainbow Big Eternity Pendant 18K Rose Gold

Royal Coster Diamonds

€2.970,00

Unit price
per 

rainbow jewelry

Our Jewelry from the Rainbow collection contains all kinds of colorful gemstones. We offer this collection in all kinds of different jewelry; earrings, rings, necklaces, and bracelets. Although, colored gemstones might be extravagant. It is possible to provide a contrast with a simple design. Our Rainbow collection can be both subtle but at the same time make a statement. The mix of different colors gives a fun and lively impression. When you cannot decide what color or gemstones you prefer the most, this is the solution. Rainbow jewelry contains all kinds of colors. Besides that, you can wear the rainbow jewelry together with your essentials to provide contrast. It is up to you, where you want to emphasize.

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Visit your favorite items at our Flagship location in Amsterdam.