Natural quartz (Green Amethyst / Prasiolite), not a true diamond
Natural quartz (Green Amethyst / Prasiolite), not a true diamond · Oval mixed-cut / facetted oval
Good commercial-grade cutting with well-defined pavilion and crown facets Cut
Carat
Estimated 4.0 - 6.0 carats based on visual scale
Color
Light pastel green (Prasiolite / Green Quartz)
Clarity
Eye-clean (VS1 or better)
Shape
Oval mixed-cut / facetted oval
Overall Assessment
An attractive, light green oval-cut quartz (prasiolite) displaying good clarity and lively faceting, making it an affordable and visually pleasing choice for jewelry design.
Cut Quality
Good commercial-grade cutting with well-defined pavilion and crown facets
Brilliance
Moderate vitreous luster characteristic of quartz
Fire
Low to moderate fire due to the lower dispersion index of quartz compared to diamond
Scintillation
Good flash and light return across the checkerboard-style facets
Proportions
Medium profile depth with a balanced table-to-girdle ratio suitable for quartz
Symmetry
Good overall symmetry with well-centered culet/axis
Polish
Good polish with smooth facet junctions
Fluorescence
Inert to faint
Inclusions
Minimal visible inclusions, very clean internally
Blemishes
No major surface scratches or abrasions visible at this magnification
Origin
Natural quartz, often heat-treated amethyst from Brazil or Zambia, or irradiated material
Treatment Detection
Commonly produced via thermal treatment of certain pale amethyst or gamma irradiation of clear quartz
Estimated Value
$50 - $200 USD depending on exact origin and market venue
Certification Estimate
Gemological Institute of America (GIA) or regional labs; usually identified simply as natural quartz (prasiolite)
Investment Potential
Low investment potential; mostly valued as a decorative gemstone rather than a store of wealth
Similar Diamonds
Fancy colored green diamond or green sapphire (though strictly different mineral species)
Setting Suggestions
Yellow gold or white gold bezel or prong setting, ideal for a cocktail ring or statement pendant
Care & Maintenance
Standard quartz care: clean with warm soapy water and a soft brush; avoid harsh chemicals and sudden thermal shocks
Interesting Facts
Natural prasiolite is extremely rare in nature; most commercial green quartz is created by heating specific types of amethyst from deposits in places like Brazil