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45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant
ASSAY
$128,000.00
45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant
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Art Deco Natural Ceylon Blue Star Sapphire Platinum Pendant Necklace - AGL Certified
Extraordinary Art Deco era natural Ceylon blue star sapphire pendant featuring 45-carat cabochon-cut sapphire in platinum filigree setting with old-cut diamonds. Vintage 1930s pendant measures 42 x 26mm suspended from 24-inch platinum chain, certified by AGL #1148337.
Product Specifications:
- Item Type: Vintage Pendant Necklace
- Metal: Platinum 950
- Era: Art Deco, circa 1930
- Pendant Size: 42 x 26mm
- Chain Length: 24 inches
- Setting: Millegrain and filigree
- Certification: AGL #1148337
Center Stone Details:
- Gemstone: Natural Star Sapphire
- Carat Weight: Approximately 45 carats
- Color: Ceylon Blue
- Cut: Cabochon
- Origin: Ceylon (Sri Lanka)
- Measurements: 19.6 x 17.3 x 12.3mm
- Treatment: Unheated (No enhancement)
- Star Quality: Good with moderate strength
- Transparency: Transparent to semi-transparent
Diamond Details:
- Type: Old-cut diamonds
- Era: Period-appropriate vintage cuts
Design & Construction
Platinum filigree mounting features intricate Art Deco geometric patterns with millegrain detailing characteristic of 1930s craftsmanship. Open-back setting maximizes light transmission through the star sapphire, enhancing asterism visibility. The six-ray star phenomenon creates moving light bands across the cabochon surface under direct illumination. Old-cut diamonds are integrated throughout the ornate platinum framework, providing vintage sparkle that complements the sapphire's mystical star effect.
Historical Significance
This AGL-certified unheated Ceylon star sapphire represents exceptional rarity, combining substantial carat weight with natural asterism and provenance from Ceylon, Sri Lanka's legendary gem deposits. The Art Deco mounting preserves 1930s jewelry artistry, making this piece both a gemological treasure and historical artifact.
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