Costco makes purchasing gemstones simple and easy, by offering only the industry's highest quality gemstones at the lowest possible price.  Whether you are looking for garnets, sapphires, emerald, or aquamarine, Costco.com has what you need. All of our gemstones are inspected by our team of Graduate Gemologists to ensure they meet Costco's strict standards. Whatever the occasion, let Costco.com help you celebrate!

• Metal: 14kt White Gold  
• Aquamarine Shape: Emerald
• Aquamarine Size: 8.0 x 6.0 mm  
• Total Diamond Weight: 0.43 ctw
• Ring Size: 7 - Sizeable within 1 size (Costco does not provide this service)

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

• Stone: Aquamarine & Diamond
  
• Stone Shape: Emerald
  
• Type of Metal: 14kt White Gold
  

Gift Messaging will be made available during the checkout process.

Two day air shipping via UPS insured is included in the quoted price. Signature is required. The estimated delivery time will be approximately 2-3 business days from the time of order.

Costco.com products can be returned to any of our more than 600 Costco warehouses worldwide.

Membership: We will refund your membership fee in full at any time if you are dissatisfied.

Merchandise: We guarantee your satisfaction on every product we sell with a full refund. The following must be returned within 90 days of purchase for a refund: televisions, projectors, computers, cameras, camcorders, touch screen tablets, MP3 players and cellular phones.

How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered.
If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.