1.00ctw Round Brilliant Cut Diamond Eternity Ring, 18ct Yellow Gold, Size L1.00ctw Round Brilliant Cut Diamond Eternity Ring, 18ct Yellow Gold, Size L

1.00ctw Round Brilliant Cut Diamond Eternity Ring, 18ct Yellow Gold, Size L

Item #1.00ctweternityg

Starting at£1,099.99
Shipping Included

- 18ct Yellow Gold

- 1ctw Diamond

- Round Brilliant Cut

- Size L (not sizeable)

Your estimated delivery time will be 2 business days (excluding weekends and bank holidays) from the time of order. Postcode Restrictions may apply. Find out more in the Delivery & Returns Tab below.

Your credit/debit card will be charged when your order is placed on this item.

Costco makes purchasing quality jewellery easy by offering only the industry's highest quality diamonds at the lowest possible price. Costco's experienced buying team works with our suppliers to select timeless styles and create well–crafted and comfortable jewellery. An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations.
  • Total Diamonds: 22-30 Round Brilliant Cut Diamonds (depending on ring size)
  • Width: 3.0 - 3.1mm
  • Total Diamond Weight: 1.00ctw
  • Diamond Colour: I
  • Diamond Clarity: VS2
  • 18ct Yellow Gold
  • Please Note: This ring cannot be re-sized

We guarantee that all diamonds supplied by are as follows: Clarity to be VS2 or better and colour to be "I" or better as outlined on the industry grading guide. 

To view additional jewellery information click here.

MetalYellow Gold
TypeEternity Ring

Delivery will take place via UPS insured. The estimated delivery time will be  business days from the time of order.

UPS tracking will be available 8 days following receipt of your order.

Additional day(s) transit may be required for remote areas.

These deliveries will require an adult signature.

Public and Regional holidays may affect delivery lead times.

Delivery times may vary in the event of adverse weather conditions.

Please note that we are currently unable to ship to the Channel Islands, Post Office boxes and BFPO.

Further postcode delivery restrictions might apply to this item.

Gift messaging is available during the checkout process.

We guarantee your satisfaction and want you to be happy with your purchase. If you wish to return an item or you would like to contact us, please click here for more information.

Please pack your parcel up securely, preferably using its original packaging, but removing the delivery label.

If the item arrived to you in a box, it will need to be in a box at the time of pick up.

In the case of jewellery items, refunds under the Costco Customer Satisfaction Guarantee and Refunds Policy will be subject to our positive verification of the item. Such refunds are also conditional on the item not having been damaged or changed in any way (i.e. resized or reset). This process may require 10 to 15 business days.

We regret that we cannot accept and process online purchase returns at any Costco Warehouses.

Find out more about our Delivery, Cancellations and Assistance Policy

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