Oval Cubic Zirconia Loose Stone

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Ziamond's oval cubic zirconia loose stones are the finest lab created laboratory grown diamond simulants available created from the original Russian formula cubic zirconia. The elongated shape of the Ziamond oval cubic zirconia loose stone gives a flattering illusion of length to one's hand and fingers. Its design is even and perfectly symmetrical, with 58 sparkling facets to show off its brilliance. Choose your preferred size among the options listed. If you do not see the size you are looking for, we offer custom stone cutting services via special order. Simply e-mail us at with your exact requirements, and we will provide you with a quote. If you would like us to duplicate your diamond, for travel or insurance purposes, simply send us a copy of your written appraisal with the dimensions of your stone, and Ziamond will hand cut a replica cubic zirconia loose stone to those exact dimensions. There are no returns on all loose stones, they are a final sale, see the policies page for our terms and conditions.


  • Large selection of carat sizes available, see menu options - .50 ct. 6x4mm, .75 ct. 7x5mm, 1 ct. 8x6mm, 1.50 ct. 9x7mm, 2.50 ct. 10x8mm, 3.50 ct. 11x9mm, 4 ct. 12x10mm, 5.50 ct. 14x10mm, 6.50 ct. 14x12mm, 9 ct. 16x12mm, 12 ct. 18x13mm
  • 58 brilliant facets
  • Cut and polished to genuine mined diamond specifications
  • Larger carat sizes available
  • Handmade in the USA
  • Custom stone cutting services via special order - simply call, live chat or email us 
  • Questions? Live Chat with representatives or call 1-866-942-6663

The Ziamond Distinction

  • Lifetime Guarantee on all Ziamond gems
  • Finest high quality hand cut, hand polished Russian formula lab created diamond look cubic zirconia
  • Available in various colors of lab created stones - white diamond look, canary yellow diamond look, pink diamond look, red ruby, blue sapphire and green emerald
  • Wear, care and clean like genuine mined diamonds
  • Over 100 years combined fine jewelry experience, on-line for more than 20 years 
  • Experienced and knowledgable staff ready to assist with your questions or custom designs
3 reviews
  • Saved me thousands of dollars 5

    Posted by Shannon M. on Jun 15th 2022

    So happy I found Ziamond. I have a diamond semi mounting with no center stone. The real diamond with decent color and clarity was way too expensive, the lab grown diamond was also too expensive. I looked at Moissanite and they looked odd and blurry when compared to a real diamond. I found Ziamond and called them. They knew what they were talking about and made me feel confident to move forward with them. I ordered a stone and it looks amazing. Even the jeweler who set the stone asked me where I got it because he saw a cz look so good.

  • Better that I thought 5

    Posted by Luke Hatcher on Jan 19th 2022

    We ordered the 2.5 carats and it arrived fast. I was a skeptic after shopping for diamonds that cost thousands of dollars. Ziamond passed the test. She wears it every day and loves it. It looks great set in her engagement ring surrounded by smaller diamonds that are real. No one has been able to tell.

  • The best 5

    Posted by Bernice on Aug 6th 2007

    Certainly not the cheapest cz joint, but I think they are the best. I needed the best czs & jewelry and I think I got it here at Ziamond. My purchase came quickly and me and my friends cant help but giggle when I get people complimenting my Ziamond jewelry. I would suggest signing up for their email newsletter, they have private sales all the time.

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