No Reserve Price - 1 pcs Blue Sapphire - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT)





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Natural sapphire – 1.06 ct – oval mixed cut – deep blue – heated – ALGT certificate (report no. 24250369).
Description from the seller
Natural Sapphire – 1.06 ct – Oval Mixed Cut – Deep Blue – Heated – ALGT Cert.
This is a natural sapphire of 1.06 carats in an oval mixed cut. It has an elegant elongated outline, good transparency and a pleasing presence for its size.
The sapphire shows a deep blue color with strong saturation and the stone measures 8.48 x 4.59 x 2.81 mm. It faces up with rich color concentration and an attractive overall look. It is suitable for a refined ring or pendant or as part of a curated gemstone collection.
Certificate details (ALGT):
Laboratory: ALGT (Antwerp Laboratory for Gemstone Testing)
Report Number: 24250369
Species: Natural Corundum
Variety: Sapphire
Carat Weight: 1.06 ct
Shape and Cutting Style: Oval, Mixed Cut
Measurements: 8.48 x 4.59 x 2.81 mm
Color: Deep Blue
Transparency: Transparent
Treatment: Indications of heating
The Seller:
I am a third-generation gemstone and diamond dealer, a Graduate Gemologist and Accredited Jewelry Professional (GIA), and a Diamond Graduate (IGI & HRD).
As a member of the Young Diamantaires, GIA Alumni, and SBD, I stay closely connected to the global community and currently serve as Secretary of the GIA Alumni Chapter in Antwerp.
Combining family tradition with modern expertise, on Catawiki you’ll find carefully curated items offered for auction, providing excellent opportunities for both wholesalers and private buyers.
Seller's Story
Natural Sapphire – 1.06 ct – Oval Mixed Cut – Deep Blue – Heated – ALGT Cert.
This is a natural sapphire of 1.06 carats in an oval mixed cut. It has an elegant elongated outline, good transparency and a pleasing presence for its size.
The sapphire shows a deep blue color with strong saturation and the stone measures 8.48 x 4.59 x 2.81 mm. It faces up with rich color concentration and an attractive overall look. It is suitable for a refined ring or pendant or as part of a curated gemstone collection.
Certificate details (ALGT):
Laboratory: ALGT (Antwerp Laboratory for Gemstone Testing)
Report Number: 24250369
Species: Natural Corundum
Variety: Sapphire
Carat Weight: 1.06 ct
Shape and Cutting Style: Oval, Mixed Cut
Measurements: 8.48 x 4.59 x 2.81 mm
Color: Deep Blue
Transparency: Transparent
Treatment: Indications of heating
The Seller:
I am a third-generation gemstone and diamond dealer, a Graduate Gemologist and Accredited Jewelry Professional (GIA), and a Diamond Graduate (IGI & HRD).
As a member of the Young Diamantaires, GIA Alumni, and SBD, I stay closely connected to the global community and currently serve as Secretary of the GIA Alumni Chapter in Antwerp.
Combining family tradition with modern expertise, on Catawiki you’ll find carefully curated items offered for auction, providing excellent opportunities for both wholesalers and private buyers.

