Non-Gold Specialty: 32.33 Carat Pink Rough Diamond from Williamson Mine
Raw Gemstone Rough (Non-Gold) · Not Applicable
Purity: Not Applicable (0% Gold)
Type
Raw Gemstone Rough (Non-Gold)
Purity
Not Applicable (0% Gold)
Gold Type
Not Applicable
Weight
32.33 carats (approximately 6.466 grams)
Description
An extraordinary 32.33 carat rough pink diamond of exceptional saturated hue. Mined from the historic Williamson mine in Tanzania, this stone represents one of the most significant finds for color and size in the modern era, later sold for over $15 million in its raw state.
Key Features
Exceptional saturation for a stone of this size; Type IIa purity (lacks measurable nitrogen)
Color & Finish
Natural 'Bubblegum' Pink; unpolished, irregular raw crystalline surface
Hallmarks & Stamps
None (certified by Petra Diamonds Ltd and M.A. Anavi Diamond Group records)
Dimensions Estimate
Large specimen rough; approximately 20mm-25mm in largest dimension
Gemstones & Inlays
Type IIa natural pink diamond; rough octahedron-derived form
Clasp & Closure
Not Applicable
Chain & Links
Not Applicable
Craftsmanship Details
Natural geological formation; no human craftsmanship beyond extraction and cleaning
Authentication Indicators
Sourced from Petra Diamonds Ltd; documented sale price of $463,965 per carat
Origin & Maker
Tanzania (Williamson Mine); Mined by Petra Diamonds Ltd
Era & Period
Contemporary Contemporary (Mined c. 2016)
Age Estimate
Mined in 2016; geological age in the hundreds of millions of years
Cultural Significance
Pink diamonds are among the rarest treasures on Earth, symbolizing ultimate luxury and geological rarity.
Condition Notes
Mint/Internal Rough; surface shows characteristic growth lines and trigons typical of high-quality kimberlite recovery
Value Estimate
$15,000,000 (Historical Sale Value); purely gemstone value, no gold content present
Care & Maintenance
Keep in protective gemstone casing; avoid high-pressure impact along cleavage planes; professional cleaning only
Similar Items
Argyle Pink Diamonds (usually smaller, more purple-heavy) or the 'Lulo Rose' (Angola)
Interesting Facts
The Williamson mine is famous for producing the 23.6ct Pink Star diamond given to Queen Elizabeth II as a wedding gift.