Marquise Cubic Zirconia Cathedral Solitaire Engagement Ring

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SKU: R1002M
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Our marquise laboratory grown diamond alternative cubic zirconia cathedral solitaire engagement rings blend the traditional Tiffany style solitaire with a graceful, vaulted shank. Both sides of the shank elegantly angle upwards and approach the brilliant marquise center creating an elevated design element to that of the classic engagement ring style. The marquise shape is elegant and adds a flattering illusion of length to your hand and fingers and is beautifully showcased in this cathedral design. The marquise center stone in this solitaire is set in a very durable die struck, six prong head. Your center stone is secure and well protected while also allowing maximum light for brilliance. The shank of this engagement ring is slightly rounded and measures approximately 2.5mm at its widest point with a slight taper towards the bottom, wider 3mm, 4mm and 5mm versions are available via special order. The cathedral solitaire is stunningly beautiful when worn alone or coupled with a gold or platinum comfort fit band, a simulated diamond band, or man-made colored stone band of your choice. The height of the cathedral shank allows for most eternity bands and anniversary bands to sit a bit more flush against the solitaire when compared to the Tiffany style. Each marquise cathedral solitaire features the finest high quality, hand cut and hand polished Russian formula lab grown diamond look cubic zirconia, cut to exact mined diamond specifications. These marquise cathedral solitaires are available in a large selection of carat size center stones, as well as various precious metals, like solid gold and platinum. See below for the detailed features on this classic marquise diamond look solitaire engagement ring and why people turn to Ziamond for the best lab grown diamond simulants with a lifetime guarantee. 


  • Large selection of carat sizes available, see menu options - .75 ct. 8x4mm, 1 ct. 10x5mm, 2 ct. 12x6mm, 3 ct. 14x7mm, 4.50 ct. 16x8mm, 6 ct. 18x9mm, 8 ct. 20x10mm, 11 ct. 21x11mm
  • 6 prong die struck head for superb strength and durability
  • 2.5mm shank at widest point, tapers slightly toward bottom - 3mm, 4mm and 5mm shank widths also available
  • Cut and polished to genuine mined diamond specifications
  • 14K white gold, 14k yellow gold, 14K rose gold, 18K gold or Platinum metal options
  • Matching and complimentary bands also available
  • Designed and crafted in the USA
  • Finger sizes below a 5 and above an 8 are available via special order
  • Customize this design with any shape, carat size or color of gem 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 grown diamond look cubic zirconia
  • Comprehensive Jewelry Warranty
  • All Ziamond jewelry mountings are the same as fine diamond jewelry mountings
  • All jewelry is designed, hand crafted and serviced exclusively by Ziamond
  • Customize any jewelry design - simply call, live chat or email us 
  • Jewelry available in various colors or shapes 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 diamond fine jewelry
  • 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
8 reviews
  • This saved us a lot of money 5

    Posted by Paulette G. on Jan 11th 2023

    Shopped for a diamond version of this ring with a 2 carat and we were blown away at the prices of real diamond versions of this ring. I had seen this Ziamond version and thought of it as a back up solution. I went ahead and ordered it figuring I could return it if I did not like it. Well, I love it. It looks so good and cost like 5% of the diamond version.

  • can't tell not real 5

    Posted by darleen on Feb 1st 2015

    will buy again from them couldn't tell the ring from a real diamond am very pleased

  • customer--LA 4

    Posted by Claire on Sep 30th 2013

    Will be a return shopper. Very pleased with my purchase.

  • great ring! 5

    Posted by Elizabeth on Jan 14th 2010

    i have had this ring for about 4 yrs , and its very well made, nice and heavy not light. it looks gr8 with my diamond wedding band! the only thing tht shocks me a bit is the price increase. i paid over a hundred dollars less then it is now, bought it at the right time it seems., but still price a 1ct solitare and its still a steal. i love my ring very much, everyone thinks its real, and after 4 yrs it still looks new and firey! very very well made, u wont be sorry u got this one!!!!!

  • Awesome ring! 5

    Posted by Jen on Jul 9th 2008

    I purchsed this ring almost 3 years ago and just love it. It looks SO real that no one can tell the difference. I am very pleased with the quality of the ring, and the sparkle of the stone. It's perfect for the price. I would highly recommend this ring!

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