Not a diamond; identified as an opaque blue-green mineral, likely Turquoise or a Turquoise simulant (such as dyed Howlite or Magnesite).
Not a diamond; identified as an opaque blue-green mineral, likely Turquoise or a Turquoise simulant (such as dyed Howlite or Magnesite). · Freeform Tumbled / Baroque cabochon style.
N/A (Tumbled/Polished stone rather than a faceted gemstone). Cut

Carat
Estimated 5-10 carats based on size relative to carpet fibers, though weight for turquoise is typically measured in carats or grams.
Color
Not applicable to diamond D-Z scale; color is a light robotic-teal or robin's egg blue with brown matrix.
Clarity
Opaque (not applicable to diamond clarity scales).
Shape
Freeform Tumbled / Baroque cabochon style.
Overall Assessment
The specimen is not a diamond. It is an opaque blue-green tumbled stone fitting the visual profile of Turquoise or a dyed mineral simulant. It lacks the refractive index, hardness, and crystal structure of a diamond.
Cut Quality
N/A (Tumbled/Polished stone rather than a faceted gemstone).
Brilliance
None (Opaque material does not exhibit light return like a diamond).
Fire
None.
Scintillation
None.
Proportions
N/A (Non-faceted).
Symmetry
Asymmetrical freeform shape.
Polish
Good (smooth surface with waxy to sub-vitreous luster).
Fluorescence
None typically visible under standard lighting for this material.
Inclusions
Brownish-tan matrix veins (limonite or host rock remnants).
Blemishes
Visible pits and internal texture lines typical of cryptocrystalline aggregates.
Origin
Likely Southwestern USA, China, or Iran if natural; or synthetic/dyed if manufactured.
Treatment Detection
Potential stabilization (resin) or dye, which is common for turquoise-colored stones.
Estimated Value
$1 - $15 USD (Decorative stone value).
Certification Estimate
Gemological laboratories would identify this as Turquoise rather than a diamond.
Investment Potential
None as a gemstone investment.
Similar Diamonds
None (No diamond resembles this opaque material).
Setting Suggestions
Bezel setting in sterling silver or copper for a bohemian or southwestern aesthetic.
Care & Maintenance
Avoid harsh chemicals, ultrasonic cleaners, and prolonged sun exposure; clean with a soft, damp cloth.
Interesting Facts
Turquoise has been used in jewelry for over 5,000 years and is the birthstone for December.