Natural Fancy Red/Orange Diamond

Natural Fancy Red/Orange Diamond · Rough / Untouched Crystal

Not Applicable (Uncut rough crystal specimen) Cut

Natural Fancy Red/Orange Diamond - Rough / Untouched Crystal

Carat

Estimated 0.50 - 0.80 carats based on visual proportions held between fingers

Color

Fancy Intense Red-Orange

Clarity

SI1 - SI2 (Visible internal graining and natural crystal inclusions)

Shape

Rough / Untouched Crystal

Overall Assessment

An exceptionally rare and captivating natural rough diamond crystal displaying a vibrant orange-red hue. While uncut and unpolished, its intense color saturation and natural crystalline structure make it a prized specimen for advanced collectors or custom bespoke high jewelry designers.

Cut Quality

Not Applicable (Uncut rough crystal specimen)

Brilliance

Subdued due to rough surface and lack of polished facets, but shows intense inner glow when backlit

Fire

High chromatic dispersion visible through internal translucent windows

Scintillation

Limited flash effect due to rough unfaceted nature

Proportions

Natural elongated crystal habit typical of cubic system deformation

Symmetry

Asymmetrical natural rough crystal form

Polish

Natural unpolished crystal faces (trigons potentially visible under magnification)

Fluorescence

Likely Medium to Strong Yellow or Orange under UV light

Inclusions

Internal clouds, feathers, and potential mineral inclusions typical of rough diamond growth

Blemishes

Natural surface etch channels, trigons, and rough skin textures

Origin

Likely alluvial or primary kimberlitic origin (such as historical Argyle Mine in Australia or African deposits known for colored diamonds)

Treatment Detection

No obvious signs of artificial irradiation or coating; natural origin suggested by internal grain lines and natural surface features

Estimated Value

Extremely high due to extreme rarity of natural red/orange color; potentially thousands to tens of thousands of dollars per carat depending on exact saturation

Certification Estimate

GIA (Gemological Institute of America) - Colored Diamond Grading Report

Investment Potential

Exceptionally high appreciation potential due to the extreme scarcity of natural red and orange diamonds on the global market

Similar Diamonds

Rare colored rough diamonds sold at major auction houses like Christie's or Sotheby's

Setting Suggestions

Custom designer yellow gold or platinum bezel setting to protect the raw organic shape while highlighting the fiery orange-red color

Care & Maintenance

Store separately in a soft pouch to prevent scratching other jewelry, clean gently with warm soapy water and a soft brush, avoid harsh ultrasonic cleaners on rough stones with deep inclusions

Interesting Facts

Natural red diamonds are among the rarest gems in the world, with fewer than 30 true fancy red diamonds known to exist with significant size, making colored rough specimens major collector items

Identified on 9/10/2026