Natural
Natural · Round Brilliant
Very Good Cut

Carat
Approx. 1.00 - 1.50 ct
Color
Fancy Deep Blue
Clarity
VS1
Shape
Round Brilliant
Overall Assessment
An exceptionally rare natural blue diamond exhibiting vivid coloration and strong fluorescence, making it a highly desirable collector's piece
Cut Quality
Very Good
Brilliance
High brightness with deep blue body color masking some white reflection
Fire
Moderate dispersion visible despite dark coloration
Scintillation
Good play of light and dark areas under direct illumination
Proportions
Standard modern round brilliant proportions, estimated table 58%, depth 61%
Symmetry
Good
Polish
Good
Fluorescence
Very Strong Blue
Inclusions
Minor pinpoint inclusions and faint internal graining
Blemishes
Faint natural on the girdle
Origin
Natural geological origin, potentially South Africa or Australia
Treatment Detection
No obvious signs of artificial irradiation or fracture filling; natural origin suspected due to strong blue fluorescence typical of Type IIb diamonds
Estimated Value
Varies significantly due to color rarity, typically valued from $15,000 to $50,000+ per carat
Certification Estimate
GIA Fancy Colored Diamond Report
Investment Potential
Extremely high appreciation potential due to the extreme rarity of natural colored diamonds in the marketplace
Similar Diamonds
Natural blue diamonds of comparable saturation sold at major auction houses like Christie's and Sotheby's
Setting Suggestions
Platinum or 18k white gold prong setting to enhance the rich blue hue, possibly with colorless diamond side stones
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners if inclusions are present near the surface
Interesting Facts
Natural blue diamonds owe their color to the presence of trace amounts of boron, and many exhibit strong blue fluorescence under UV light