Natural Diamond (Rough Crystal)

Natural Diamond (Rough Crystal) · Rough Octahedral / Irregular Crystal

Not Applicable (Uncut Rough) Cut

Natural Diamond (Rough Crystal) - Rough Octahedral / Irregular Crystal

Carat

Estimated 2.50 to 3.50 carats based on visual scale

Color

Fancy Deep Orange / Yellow (strongly backlit appearance)

Clarity

SI1 to SI2 (estimated based on visible internal features)

Shape

Rough Octahedral / Irregular Crystal

Overall Assessment

An intriguing natural rough diamond crystal displaying intense color under backlighting with good potential for cutting or collecting in its raw state

Cut Quality

Not Applicable (Uncut Rough)

Brilliance

Low in rough state; will exhibit high brilliance once properly cut and polished

Fire

Obscured by rough surface; potential for high fire in fancy colored or white faceted stone

Scintillation

None in current rough form

Proportions

Natural rough proportions, requires expert planning for faceting

Symmetry

Natural crystal symmetry, distorted octahedral habit

Polish

Natural crystal faces with growth lines (trigons and striations)

Fluorescence

Cannot be definitively determined without UV testing, likely Inert to Faint

Inclusions

Internal needle-like inclusions, clouds, and potential feather fractures visible

Blemishes

Natural surface etch channels, trigons, and rough skin textures

Origin

Likely alluvial or primary kimberlite pipe deposit (e.g., African or Canadian origin)

Treatment Detection

No obvious signs of treatment; appears entirely natural in rough form

Estimated Value

$5,000 - $15,000 depending on final cut yield and exact color saturation

Certification Estimate

GIA (Gemological Institute of America) Origin Report

Investment Potential

High for rare natural colored rough diamonds with strong collector appeal

Similar Diamonds

Other natural rough fancy colored diamond crystals of comparable weight

Setting Suggestions

Custom designer mounting to preserve raw organic shape, or classic solitaire once faceted

Care & Maintenance

Store separately to avoid scratching other gems; clean gently with warm soapy water

Interesting Facts

Natural rough diamonds often display curved growth steps and surface features called trigons

Identified on 10/2/2026
Natural Diamond (Rough Crystal) Rough Octahedral / Irregular Crystal | Diamond Identifier