Natural Earth-Mined Diamonds
Natural Earth-Mined Diamonds · Old European Cut / Transitional Cut Round
Good (Antique standards focus on chunkier facets rather than modern symmetry). Cut
Carat
Estimated central stones 0.20-0.35ct each; Total Carat Weight approx 1.50-2.00ctw for all 32 stones combined.
Color
Estimated H-J (Near Colorless) consistent with antique platinum settings.
Clarity
Estimated VS2 to SI1 (slightly included), common for stones of this era.
Shape
Old European Cut / Transitional Cut Round
Overall Assessment
A stunning example of mid-century/Art Deco craftsmanship featuring 32 diamonds set in platinum. The use of 10 transitional main stones suggests a high-quality vintage piece with significant historical charm and character.
Cut Quality
Good (Antique standards focus on chunkier facets rather than modern symmetry).
Brilliance
Moderate; produces the broad, chunky light reflections characteristic of antique cuts.
Fire
High; the steep crown angles of transitional cuts produce significant spectral color dispersion.
Scintillation
Bold and rhythmic, differing from the splintery flash of modern cuts.
Proportions
Classic Era Proportions: Small tables, high crowns, and large open culets typical of the 1920s-1940s.
Symmetry
Fair to Good (hand-cut antique characteristics exhibit slight variations).
Polish
Good (shows signs of historical wear consistent with antique age).
Fluorescence
Likely None to Faint (standard for this period).
Inclusions
Possible small crystals and feathers visible under 10x magnification; relatively clean to the naked eye.
Blemishes
Minor surface abrasions and nicks on facet junctions consistent with age and daily wear.
Origin
Likely South Africa (historic source for early 20th-century diamonds).
Treatment Detection
None detected; consistent with untreated antique specimens.
Estimated Value
$3,500 - $6,000 USD (Insurance Appraisal Value for finished platinum antique piece).
Certification Estimate
GIA or EGL USA (Antique/Vintage Report).
Investment Potential
Moderate to High; antique platinum jewelry, especially with transitional cuts, is highly sought by collectors.
Similar Diamonds
Early 20th-century Art Deco band styles with transitional cut melee.
Setting Suggestions
Original platinum domed band with milgrain detailing and pave side stones.
Care & Maintenance
Professional ultrasonic cleaning advised only if stones are secure; otherwise, warm soapy water and a soft brush. Periodically check prongs.
Interesting Facts
Transitional cuts represents the bridge between the Old European Cut and the Modern Round Brilliant, created as diamond cutting technology evolved in the 1930s.
Notes
antique 32 stones total, 10 transitional main stones, platinum