Natural Diamond (with strong blue fluorescence)
Natural Diamond (with strong blue fluorescence) · Round Brilliant
Good Cut
Carat
Estimated 0.50 - 0.75 carats based on visual perspective
Color
F-G (difficult to assess precisely due to strong blue fluorescence)
Clarity
SI1 - SI2 (observable internal feather and inclusions)
Shape
Round Brilliant
Overall Assessment
An interesting natural round brilliant diamond characterized by an intensely pronounced blue optical response, presenting moderate clarity and good standard proportions
Cut Quality
Good
Brilliance
Moderate to Good, slightly muted under certain lighting due to fluorescence
Fire
Standard dispersion, subdued by the dominant blue luminescence
Scintillation
Balanced flash pattern with noticeable dark contrast areas
Proportions
Standard modern round brilliant proportions with average depth and table percentage
Symmetry
Good
Polish
Good
Fluorescence
Very Strong Blue (reacting intensely to long-wave UV or specific lighting)
Inclusions
Distinct internal feather and dark crystal inclusion visible under strong blue response
Blemishes
Minor surface abrasions on girdle likely from wear
Origin
Natural terrestrial origin
Treatment Detection
No signs of artificial enhancement or treatment; natural fluorescence emission
Estimated Value
$1,500 - $3,000 USD depending on exact carat weight and precise color grade
Certification Estimate
GIA grading would likely note Strong Blue fluorescence and SI clarity
Investment Potential
Standard resale value, though strong fluorescence can sometimes depress market demand slightly compared to non-fluorescent stones
Similar Diamonds
Mid-tier natural round brilliants with medium-to-strong blue fluorescence
Setting Suggestions
Yellow or white gold prong setting; the strong blue fluorescence can sometimes give an icy appearance in daylight
Care & Maintenance
Standard ultrasonic cleaning is safe; store separately to prevent scratching other jewelry
Interesting Facts
Strong blue fluorescence occurs in roughly 30% of diamonds and is caused by boron or structural nitrogen impurities that glow when exposed to UV light