Synthetic/Simulant (Non-Diamond)
Synthetic/Simulant (Non-Diamond) · Oval Brilliant
Fair Cut
Carat
3.00 - 5.00 carats (estimated)
Color
Fancy Vivid Red (Ruby-like saturation)
Clarity
SI - I range (Heavily included)
Shape
Oval Brilliant
Overall Assessment
The specimen appears to be a red gemstone simulant, likely synthetic corundum or crystal glass, rather than a natural red diamond, characterized by poor light return and significant internal fracturing.
Cut Quality
Fair
Brilliance
Low (significant light leakage/windowing)
Fire
Minimal to none
Scintillation
Weak with localized dark spots
Proportions
Shallow crown with a deep pavillion and large windowing in the center
Symmetry
Good
Polish
Fair
Fluorescence
None observable
Inclusions
Large internal fractures, possible gas bubbles, and surface-reaching cracks
Blemishes
Scratches on the table and visible chips on the facets
Origin
Synthetic (Lab-grown or industrial composite)
Treatment Detection
Surface dye or lead-glass filling suspected due to texture and color concentration
Estimated Value
$10 - $100 USD (simulant value)
Certification Estimate
Likely GRS or GIA as a Synthetic Ruby or Glass-Filled composite
Investment Potential
None; likely a decorative fashion stone
Similar Diamonds
Red diamonds of this size are exceedingly rare (Moussaieff Red); this specimen shares more visual traits with synthetic spinel or glass
Setting Suggestions
Bezel setting to protect the fragile edges and hide side inclusions
Care & Maintenance
Avoid ultrasonic cleaners and harsh chemicals due to suspected filling and fractures
Interesting Facts
Natural red diamonds are the rarest of all colors, with only a handful exceeding 1 carat in existence