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Find Your Ring Size

Royal Coster
Diamonds Size
MM / INCH (Circumference)
48 / 1.89 48 4½ 8
49 / 1.93 49 9
50 / 1.97 50 K 10
51 / 2.01 51 L 11
52 / 2.05 52 6 12
53 / 2.09 53 13
54 / 2.13 54 14
55 / 2.17 55 O 15
56 / 2.20 56 P 16
57 / 2.24 57 8 17
58 / 2.28 58 18
59 / 2.31 59 R 19
60 / 2.36 60 9 S 20

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Signature  necklaces collection

Signature necklaces collection

Find your Signature Necklace

The Signature necklaces collection brings together the best necklaces from all of our signature collections. Whether it’s the bright colors of the Rainbow collection, the stylish Nikkie collection, the famous Royal 201 Signature C collection, the timeless Coster Classic collection. Every necklace is chosen for its stunning look and fine quality.

This special collection is the very best we have. It includes many different designs, all made with the finest care and luxury in mind. Skilled craftsmen make each necklace by hand, picking diamonds that shine and sparkle brightly. These signature necklaces show the top quality that we offer more than 180 years.

The Signature necklaces collection is perfect for someone who wants a necklace that stands out. With everything from necklaces with many colors to simple and elegant designs, this collection lets you find the perfect necklace that fits your own style and tells your personal story.

18 Results

Nikkie Solitaire Necklace Brilliant Cut Diamond 18K White Gold

Royal Coster Diamonds

$551.88

Unit price
per 

Nikkie Solitaire Necklace Brilliant Cut Diamond 18K Yellow Gold

Royal Coster Diamonds

$551.88

Unit price
per 

Luna Dangling Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$834.76

Unit price
per 

Drop Heart Necklace Brilliant Cut Diamond 14K Gold

Royal Coster Diamonds

$366.37

Unit price
per 

Luna Raindrop Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$2,086.91

Unit price
per 

Pavé Square Black&White Diamond Necklace 18K White Gold - Royal Coster Diamonds
Sale

Pavé Square Black&White Diamond Necklace 18K White Gold

Royal Coster Diamonds

Regular price $3,385.44 $1,692.71

Unit price
per 

Pavé Circle Black&White Diamond Necklace 18K White Gold - Royal Coster Diamonds
Sale

Pavé Circle Black&White Diamond Necklace 18K White Gold

Royal Coster Diamonds

Regular price $4,312.96 $2,156.48

Unit price
per 

Pavé Baroque Black&White Diamond Necklace 18K White Gold - Royal Coster Diamonds
Sale

Pavé Baroque Black&White Diamond Necklace 18K White Gold

Royal Coster Diamonds

Regular price $5,518.73 $2,759.37

Unit price
per 

Luna Raindrop Maxi Pendant Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$7,698.39

Unit price
per 

Solitaire Necklace Brilliant Cut Diamond 18K White Gold

Royal Coster Diamonds

$806.94

Unit price
per 

Pave Maxi Heart Necklace Brilliant Cut Diamond 18K White Gold

Royal Coster Diamonds

$630.71

Unit price
per 

Tennis Double Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$26,990.75

Unit price
per 

Luna Raindrop Pendant Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$3,941.95

Unit price
per 

Luna Raindrop Necklace Double Drop 18K Yellow Gold

Royal Coster Diamonds

$5,147.72

Unit price
per 

Signature C Solitaire Necklace Royal 201 Cut Diamond 18K Gold

Royal Coster Diamonds

from $2,086.91

Unit price
per 

Luna Maxi Dangling Necklace Brilliant Cut Diamond 18K Gold

Royal Coster Diamonds

$2,365.17

Unit price
per 

Get your dream necklace

Whether you’ve set your eyes on an a wedding necklace or a rainbow necklace, we have what you’re looking for. We have many different settings. We can make one exactly how you want it and with the kind of diamonds you want. Contact us to find your dream necklace.

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