Cubic Zirconia

Cubic Zirconia · Oval

Good to Very Good Cut

Cubic Zirconia - Oval

Carat

Estimated 0.85 to 1.10 carats based on visual dimensions

Color

Colorless (equivalent to D-E range)

Clarity

Estimated IF to VVS1 internally clean appearance

Shape

Oval

Overall Assessment

A bright and well-cut oval cubic zirconia simulant exhibiting strong fire and brilliance, suitable for fashion or costume jewelry rather than high-end investment.

Cut Quality

Good to Very Good

Brilliance

High brightness due to high refractive index of cubic zirconia

Fire

Strong dispersion exceeding natural diamond fire

Scintillation

Good flash and return of light across the oval face

Proportions

Standard brilliant oval facet arrangement with moderate table percentage

Symmetry

Good

Polish

Good

Fluorescence

None observed

Inclusions

None visible under standard visual inspection

Blemishes

Minor surface abrasion marks typical of synthetic simulants

Origin

Synthetic, laboratory-produced cubic zirconia

Treatment Detection

None required; synthetic simulant

Estimated Value

$20 to $50 USD

Certification Estimate

Not typically certified by major gemological laboratories like GIA due to being a simulant

Investment Potential

Low investment value as cubic zirconia typically depreciates

Similar Diamonds

High-grade colorless synthetic moissanite or lab-created diamond

Setting Suggestions

Prong or bezel setting in sterling silver, yellow gold, or white gold

Care & Maintenance

Clean with mild soapy water and a soft brush; avoid harsh chemicals and scratching against harder stones

Interesting Facts

Cubic zirconia has been the most common diamond simulant since its commercial production began in the 1970s

Identified on 10/7/2026