Diamond Eternity Rings | Blue Nile
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Extraordinary Eternity Rings

Make the biggest impression with our unparalleled assortment of diamond eternity rings. Expertly crafted in enduring platinum to last a lifetime, find the perfect shape and size for you. Each endless row of diamonds is perfectly-matched and held to higher than average quality standards.

Cushion-Cut Diamond Eternity Rings in Platinum

Cushion-Cut Diamond Eternity Rings in Platinum
The brilliant curves of cushion-cut diamonds offer timeless, stunning sparkle. Total carat weights will vary based on finger size.
Cushion Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 51,060.00

Starting at RMB 38,295.00

Cushion Cut Diamond Eternity Ring in Platinum (3.5 ct. tw.)

3.5 ct. tw.

Starting at RMB 63,390.00

Starting at RMB 50,712.00

Cushion Cut Diamond Eternity Ring in Platinum (4.0 ct. tw.)

4.0 ct. tw.

Starting at RMB 73,650.00

Starting at RMB 55,237.50

Cushion Cut Diamond Eternity Ring in Platinum (4.5 ct. tw.)

4.5 ct. tw.

Starting at RMB 86,460.00

Starting at RMB 69,168.00

Cushion Cut Diamond Eternity Ring in Platinum (5.0 ct. tw.)

5.0 ct. tw.

Starting at RMB 107,520.00

Starting at RMB 80,640.00

Cushion Cut Diamond Eternity Ring in Platinum (5.5 ct. tw.)

5.5 ct. tw.

Starting at RMB 129,810.00

Starting at RMB 77,886.00

Cushion Cut Diamond Eternity Ring in Platinum (6.0 ct. tw.)

6.0 ct. tw.

Starting at RMB 137,430.00

Starting at RMB 103,072.50

Cushion Cut Diamond Eternity Ring in Platinum (7.0 ct. tw.)

7.0 ct. tw.

Starting at RMB 178,620.00

Starting at RMB 133,965.00

dime for scale
17.9 mm

Emerald-Cut Diamond Eternity Rings in Platinum

Emerald-Cut Diamond Eternity Rings in Platinum
The elongated, step-cut facets of emerald-cut diamonds offer elegant sophistication. Total carat weights will vary based on finger size.
Emerald Cut Diamond Eternity Ring in Platinum (2.0 ct. tw.)

2.0 ct. tw.

RMB 37,710.00

RMB 30,168.00

Emerald Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 43,800.00

Starting at RMB 32,850.00

Emerald Cut Diamond Eternity Ring in Platinum (4.0 ct. tw.)

4.0 ct. tw.

Starting at RMB 65,010.00

Starting at RMB 52,008.00

Emerald Cut Diamond Eternity Ring in Platinum (5.0 ct. tw.)

5.0 ct. tw.

Starting at RMB 90,930.00

Starting at RMB 68,197.50

Emerald Cut Diamond Eternity Ring in Platinum (5.5 ct. tw.)

5.5 ct. tw.

Starting at RMB 117,420.00

Starting at RMB 70,452.00

Emerald Cut Diamond Eternity Ring in Platinum (6.0 ct. tw.)

6.0 ct. tw.

RMB 136,770.00

RMB 102,577.50

Emerald Cut Diamond Eternity Ring in Platinum (7.0 ct. tw.)

7.0 ct. tw.

Starting at RMB 176,340.00

Starting at RMB 132,255.00

dime for scale
17.9 mm

Asscher-Cut Diamond Eternity Rings in Platinum

Asscher-Cut Diamond Eternity Rings in Platinum
Squarely refined, the step-cut facets of Asscher-cut diamonds create a dramatic impression. Total carat weights will vary based on finger size.
Asscher Cut Diamond Eternity Ring in Platinum (2.0 ct. tw.)

2.0 ct. tw.

RMB 37,710.00

RMB 30,168.00

Asscher Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 46,050.00

Starting at RMB 34,537.50

Asscher Cut Diamond Eternity Ring in Platinum (5.0 ct. tw.)

5.0 ct. tw.

Starting at RMB 101,550.00

Starting at RMB 76,162.50

Asscher Cut Diamond Eternity Ring in Platinum (5.5 ct. tw.)

5.5 ct. tw.

Starting at RMB 125,730.00

Starting at RMB 75,438.00

Asscher Cut Diamond Eternity Ring in Platinum (6.0 ct. tw.)

6.0 ct. tw.

Starting at RMB 136,110.00

Starting at RMB 102,082.50

Asscher Cut Diamond Eternity Ring in Platinum (7.0 ct. tw.)

7.0 ct. tw.

Starting at RMB 199,890.00

Starting at RMB 139,923.00

dime for scale
17.9 mm

Princess-Cut Diamond Eternity Rings in Platinum

Princess-Cut Diamond Eternity Rings in Platinum
Modern sparkle, princess-cut diamonds make a genuinely brilliant statement. Total carat weights will vary based on finger size.
Princess Cut Diamond Eternity Ring in Platinum (2.0 ct. tw.)

2.0 ct. tw.

RMB 37,710.00

RMB 26,397.00

Princess Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 44,400.00

Starting at RMB 33,300.00

Princess Cut Diamond Eternity Ring in Platinum (4.0 ct. tw.)

4.0 ct. tw.

Starting at RMB 72,990.00

Starting at RMB 54,742.50

Princess Cut Diamond Eternity Ring in Platinum (5.5 ct. tw.)

5.5 ct. tw.

Starting at RMB 110,340.00

Starting at RMB 82,755.00

dime for scale
17.9 mm

Radiant-Cut Diamond Eternity Rings in Platinum

Radiant-Cut Diamond Eternity Rings in Platinum
Brilliantly faceted, with trimmed corners, radiant-cut diamonds are an unforgettable classic. Total carat weights will vary based on finger size.
Radiant Cut Diamond Eternity Ring in Platinum (2.0 ct. tw.)

2.0 ct. tw.

RMB 37,710.00

RMB 30,168.00

Radiant Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 53,700.00

Starting at RMB 40,275.00

Radiant Cut Diamond Eternity Ring in Platinum (4.0 ct. tw.)

4.0 ct. tw.

Starting at RMB 65,670.00

Starting at RMB 49,252.50

Radiant Cut Diamond Eternity Ring in Platinum (5.0 ct. tw.)

5.0 ct. tw.

Starting at RMB 88,260.00

Starting at RMB 70,608.00

Radiant Cut Diamond Eternity Ring in Platinum (6.0 ct. tw.)

6.0 ct. tw.

Starting at RMB 137,430.00

Starting at RMB 103,072.50

Radiant Cut Diamond Eternity Ring in Platinum (7.0 ct. tw.)

7.0 ct. tw.

Starting at RMB 198,570.00

Starting at RMB 148,927.50

dime for scale
17.9 mm

Oval-Cut Diamond Eternity Rings in Platinum

Oval-Cut Diamond Eternity Rings in Platinum
Elongated radiance, oval-cut diamonds offer a unique line of brilliance. Total carat weights will vary based on finger size.
Oval Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)

3.0 ct. tw.

Starting at RMB 57,690.00

Starting at RMB 46,152.00

Oval Cut Diamond Eternity Ring in Platinum (4.0 ct. tw.)

4.0 ct. tw.

Starting at RMB 88,260.00

Starting at RMB 66,195.00

Oval Cut Diamond Eternity Ring in Platinum (5.0 ct. tw.)

5.0 ct. tw.

Starting at RMB 118,830.00

Starting at RMB 89,122.50

Oval Cut Diamond Eternity Ring in Platinum (5.5 ct. tw.)

5.5 ct. tw.

Starting at RMB 138,900.00

Starting at RMB 97,230.00

dime for scale
17.9 mm

Round Diamond Eternity Rings in Platinum

Round Diamond Eternity Rings in Platinum
Classic round-cut diamonds eternal brilliance and lifetime value. Total carat weights will vary based on finger size.
Tessere Weave Diamond Eternity Ring in 18k White Gold (1 ct. tw.)

1 ct. tw.

RMB 23,280.00

RMB 13,968.00

Classic Diamond Eternity Ring in Platinum (2 ct. tw.)

2 ct. tw.

RMB 25,710.00

RMB 20,568.00

Tessere Weave Diamond Eternity Ring in 18k White Gold (2 ct. tw.)

2 ct. tw.

RMB 35,610.00

RMB 21,366.00

Classic Diamond Eternity Ring in Platinum (3 ct. tw)

3 ct. tw

Starting at RMB 33,960.00

Starting at RMB 27,168.00

Tessere Weave Diamond Eternity Ring in 18k White Gold (3 ct. tw.)

3 ct. tw.

RMB 60,930.00

RMB 42,651.00

NEW Royal Crown Diamond Eternity Ring in Platinum (3 ct. tw.)

3 ct. tw.

Starting at RMB 59,460.00

Starting at RMB 41,622.00

Classic Diamond Eternity Ring in Platinum (4 ct. tw.)

4 ct. tw.

Starting at RMB 62,340.00

Starting at RMB 49,872.00

Classic Diamond Eternity Ring in Platinum (5 ct. tw.)

5 ct. tw.

Starting at RMB 101,070.00

Starting at RMB 80,856.00

dime for scale
17.9 mm