Natural Round 1.78ct Navy Blue Sapphire Gemstone
Updated August 6, 2026
| Lot number | 689L |
| Category | Jewelry & Watches |
| Auction | Designer Bags, Watches, Diamonds, Jewelry, Coins, & More! |
| Date | August 8, 2026 at 10:59 AM CDT |
| Auction house | Garnet Gazelle |
| Location | Houston, Texas |
This 1.78 Carat Navy Blue Sapphire Is Cut In A Round Shape, Measuring 6.77mm X 6.74mm X 4.75mm, And Features An Opaque Luster That Highlights Its Deep, Rich Color. This Gemstone Is Graded As Moderately Included, With Obvious Internal Flaws That May Affect Transparency, Brilliance, And Durability, Adding Natural Character. It Has Undergone Heat Treatment, A Common And Durable Process That Exposes The Gem To High Temperatures To Intensify Its Blue Hue And Potentially Enhance Its Clarity, Improving The Overall Appearance Of The Sapphire. Keywords: Faceted, Cabochon, Precious, Semiprecious, Polished, Rough, Sparkling, Cut, Calibrated.
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