Lab-Grown / Simulated (Likely Cubic Zirconia or Moissanite given the extreme visual size and setting style)
Lab-Grown / Simulated (Likely Cubic Zirconia or Moissanite given the extreme visual size and setting style) · Radiant Cut
Very Good Cut

Carat
Approx. 20 carats (center stone based on user note and visual scale)
Color
Colorless (Estimated G-H equivalent)
Clarity
Estimated VS1-VS2 equivalent based on eye-clean appearance under standard lighting
Shape
Radiant Cut
Overall Assessment
A striking statement piece featuring a very large center stone in a classic double halo and pave setting, visually impactful but requires physical gemological testing to verify material composition
Cut Quality
Very Good
Brilliance
High white light return, characteristic of large faceted stones
Fire
Moderate to High dispersion
Scintillation
Balanced pattern of light and dark reflection across facets
Proportions
Medium table and depth percentage typical of commercial radiant cuts
Symmetry
Good
Polish
Good
Fluorescence
None to Faint
Inclusions
None readily visible to the naked eye
Blemishes
None significant visible in this lighting
Origin
Laboratory created or synthetic simulant
Treatment Detection
No obvious treatments detected via standard visual inspection
Estimated Value
Varies significantly based on material (if diamond: hundreds of thousands; if cubic zirconia/simulant: under $500)
Certification Estimate
IGI or GIA (if natural/lab diamond), though likely uncertified fashion jewelry
Investment Potential
Low for simulants; high risk/high reward for natural stones of this exceptional size
Similar Diamonds
Large commercial radiant-cut halo rings in high-end fashion jewelry or luxury replicas
Setting Suggestions
Halo setting in platinum or 14k white gold with pave-set band (as currently styled)
Care & Maintenance
Regular cleaning with warm soapy water and a soft brush; professional prong inspection recommended annually
Interesting Facts
Stones of 20 carats are exceptionally rare in nature, making large radiant cuts heavily sought after by celebrities
Notes
20 carats