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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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Archive Collection

Archive

Introducing our exclusive "Archive Collection"—a captivating display of rare and exquisite pieces. Embrace timeless elegance now. 

20 Results

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

Pavé Circle Black&White Diamond Ring 18K White Gold

Royal Coster Diamonds

Regular price $6,587.87 $3,293.94

Unit price
per 

Pavé Leaf Black&White Diamond Ring 18K White Gold - Royal Coster Diamonds
Sale

Pavé Leaf Black&White Diamond Ring 18K White Gold

Royal Coster Diamonds

Regular price $4,208.91 $2,104.46

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 $3,339.69 $1,669.84

Unit price
per 

Pavé Infinity Black&White Diamond Ring 18K White Gold - Royal Coster Diamonds
Sale

Pavé Infinity Black&White Diamond Ring 18K White Gold

Royal Coster Diamonds

Regular price $3,980.17 $1,990.09

Unit price
per