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

Free Shipping, Free Returns

Delivery time varies by size, select your size for shipping estimates.
Get no-risk gifts with free returns.

Free Shipping, Free Returns

Order now for delivery on Tuesday, July 6.
Get no-risk gifts with free returns.

Free, Quick Shipping!

Free Shipping, Free Returns

Order now for delivery on Tuesday, June 22.
Get no-risk gifts with free returns.
Shape – Cushion
Cushion Selected
Total Carat Weight – 3.0 ct. tw.
3.0
Selected
4.0
4.5
7.0
Special Order

The ring you've selected is exceptional and deserves special attention. Please phone a diamond and jewelry expert and they will help you complete your perfect ring.

1-866-441-9066

Your ring size is on backorder

Don't Worry - the delay is temporary and we're here to help.
Contact us now to find out:

  • When your ring size is available
  • How to preorder - We'll ship your ring overnight when it arrives
  • Settings in your size available to ship now
Please select a Select Ring Size
Please select a ring size
Your current selection is temporarily unavailable. Please call 1-866-441-9066 for further assistance.
Your current selection is temporarily unavailable. Please call 1-866-441-9066 for further assistance.
This ring cannot be resized.
Original price Starting at: $8,190 (Discount 20%)
Special price Starting at $6,552*
* Use code BLUE2021 at checkout

An unbroken circle of dazzling cushion-cut diamonds enlivens every angle of this 3 ct. tw. eternity ring set in enduring platinum.

Stock Number
67642
Metal
950 Platinum
Height
2.6 mm
Width
3.4 mm

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Product Details

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

Ring Information

Stock Number
67642
Metal
950 Platinum
Height
2.6 mm
Width
3.4 mm

Diamond Information

Ring Size:
Number of Diamonds:
Total Carat Weight:
US 4
18
2.43
US 4
18
2.60
US 4.5
18
2.60
US 4.5
18
2.43
US 5
19
2.70
US 5
19
2.75
US 5
19
2.57
US 5.5
19
2.70
US 5.5
19
2.57
US 6
20
2.95
US 6
20
2.72
US 6.5
21
2.86
US 6.5
21
3.15
US 7
21
3.05
US 7
21
2.86
US 7
21
3.15
US 7.5
22
3.20
US 7.5
22
3.30
US 7.5
22
3.00
US 8
22
3.30
US 8
22
3.00
Average Color
G
Average Clarity
SI1
Setting Type
Common prong setting

Ring Size

Women's rings typically range from size 3 to 9. The most commonly purchased women's ring sizes at Blue Nile range from size 5 to 7. Size 6 is the most popular ring size.

We are happy to exchange your ring for another size within 30 days of purchase.

Blue Nile realizes that you may not know the ring size for a given finger, and we want to help. We provide a printable ring sizer that can help determine your ring size. Prior to printing, ensure that page scaling is set to "none" on your print dialog box.

View ring sizer PDF
  • English
  • Spanish
  • French
  • Japanese
  • Simplified Chinese
  • Traditional Chinese
  • Arabic
(These documents are PDF files and require Adobe Acrobat Reader. If you do not have Acrobat Reader you may download it for free.)

Shipping Details

FREE FedEx® Shipping Delivery time varies by size, select your size for shipping estimates.

Included With Your Order:

Note: Prices and availability are subject to change without notice. View our terms and conditions for more information.

Shipping Details

Order by:
3PM EDT Monday
Receive on:
Tuesday, July 6
Free shipping via:
FedEx Priority Overnight®
Need it Faster? Arrives: Cost:
FedEx Priority Overnight® with Saturday Delivery Saturday, July 3 $20
Included With Your Order:

Note: Prices and availability are subject to change without notice. View our terms and conditions for more information. Some limitations may apply to free returns. See our Return Policy for details.

Shipping Details

Order by:
6PM EDT Monday
Receive on:
Tuesday, June 22
Free shipping via:
FedEx Priority Overnight®
Included With Your Order:

Note: Prices and availability are subject to change without notice. View our terms and conditions for more information. Some limitations may apply to free returns. See our Return Policy for details.

Cushion Cut Diamond Eternity Ring in Platinum (3.0 ct. tw.)
Original price Starting at$8,190  ( Discount 20%)
Starting at:   
$6,552* Special price
* Use code BLUE2021 at checkout