Bijouxteria Jewelry

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Certified Natural Siam Yellow Sapphire 6.63 Carats - Vivid Yellow Oval Cut GFCO Gem Lab Report Certified Natural Siam Yellow Sapphire 6.63 Carats - Vivid Yellow Oval Cut GFCO Gem Lab Report GEM-S0001

Certified Natural Siam Yellow Sapphire 6.63 Carats - Vivid Yellow Oval Cut GFCO Gem Lab Report

Sapphires

6.63 ct

💛 Guaranteed 100% Natural Corundum: Certified as a genuine earth-mined Yellow Sapphire belonging to the prestigious Corundum family, offering lifetime durability and immense collectors' value. 💛 Elite "Vivid Yellow" Rich Color Grading: Evaluated at the top tier color saturation, certified as a brilliant "Vivid Yellow" that mimics the warm, powerful luster of pure gold under daylight. 💛 Exquisite Hybrid Facet Cutting Technique: Precision-cut into a classic oval silhouette, combining a brilliant crown cut with a 4-tier step-cut pavilion (Step 4) to capture ambient light and release maximum blinding fire. 💛 Legendary Siam (Thailand) Origin Recognition: Formally authenticated to be from the historic "Siam" mines—universally coveted by luxury investors due to the scarcity of high-carat Thai yellow sapphires in today's market. 💛 Official GFCO Gem Lab Star Report Included: Comes with a premium verification certificate (Report ID: AAP35322-27501-1) issued by GFCO Gemological Laboratory (Tramelan, Switzerland), ensuring absolute peace of mind. ✨ The Sovereign of Golden Splendor: Certified 6.63 Carat Natural Siam Yellow Sapphire in Top "Vivid Yellow" Color Grade ✨ Step into a world of breathtaking sophistication and elite fine gemstone investment with this certified natural gemstone masterpiece by Bijouxteria Jewelry. This magnificent loose gem showcases a substantial, 100% genuine earth-mined Natural Yellow Sapphire belonging to the prestigious Corundum family, bringing a grand weight of 6.63 carats. Authenticated to be directly from the legendary historical "Siam" (Thailand) origin, this treasure represents one of the most coveted and rapidly vanishing gemstone lineages in the global luxury market. Certified by the highly esteemed GFCO Gemological Laboratory (Tramelan, Switzerland) under strict evaluation parameters (Report ID: AAP35322), the gem boasts a perfectly proportioned oval contour dimensioned at 12.68 x 10.88 mm. It commands focus with an extraordinary, elite color grading of "Vivid Yellow"—delivering a deep, continuous flood of sun-kissed golden brilliance that naturally brightens any room. The hybrid cut combines a brilliant crown with an intricate 4-tier step-cut pavilion (Step 4), allows the gem to capture ambient lights effortlessly and scatter non-stop fire with every slight movement. Modified using standard international thermal enhancement (Heat Be), it retains beautiful natural inclusions that verify its authentic earth-born roots. A flawless choice to be cast as a commanding masculine signet ring, a luxurious cocktail centerpiece, or a prestigious private asset built to transcend generations.

Shape
Oval
Weight
6.63 ct.
Color
Yellow

Report GFCO AAP35322/27501-1

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1.66-Carat Certified Natural Yellow Sapphire - Luminous Golden Yellow Oval Cut (GFCO Swiss Certified) 1.66-Carat Certified Natural Yellow Sapphire - Luminous Golden Yellow Oval Cut (GFCO Swiss Certified) 1.66-Carat Certified Natural Yellow Sapphire - Luminous Golden Yellow Oval Cut (GFCO Swiss Certified) GEM-S0002

1.66-Carat Certified Natural Yellow Sapphire - Luminous Golden Yellow Oval Cut (GFCO Swiss Certified)

Sapphires

1.66 ct

💛 Precious Natural Corundum Specie: Crafted from 100% genuine earth-mined Natural Yellow Sapphire, possessing remarkable hardness and elite mineral purity that ensures timeless structural value and generational investment. 💛 Symbol of Prosperity & Wealth: Displays a highly brilliant golden-yellow hue that represents financial success, wisdom, and positive energy—perfect for clients seeking both aesthetic beauty and auspicious blessings. 💛 Masterful Radiant Oval Silhouette: Faceted into a beautifully proportioned oval cut that maximizes surface area light return, casting blinding golden fires and exceptional internal clarity with every tilt. 💛 Prestigious Swiss Gem Lab Certification: Accompanied by an official laboratory report from the world-renowned GFCO GEM LAB, Switzerland, confirming its authenticity and premier fine jewelry grade. ✨ The Luminous Aura of Success: 1.66-Carat Certified Natural Oval-Cut Yellow Sapphire ✨ Attract wealth, wisdom, and unparalleled luxury into your private collection with this stunning masterpiece brought to you by Bijouxteria Jewelry. We are proud to feature a 100% genuine earth-mined Natural Yellow Sapphire (Corundum) weighing a beautiful 1.66 carats. Radiating a magnificent golden-yellow brilliance, this exceptional gemstone serves as the ultimate beacon of prosperity and high-vibrational energy. Precision-faceted into a classic and flattering Oval Cut, the stone boasts flawless light distribution, throwing majestic amber and bright golden fires with every movement. Fully authenticated with a global report from the prestigious GFCO GEM LAB, Switzerland, it guarantees organic purity and elite collector status. Whether you intend to design a custom high-society statement ring, a timeless prosperity pendant, or expand your private vault of fine minerals, this exceptional Yellow Sapphire stands as a defining acquisition of elite taste.

Shape
Oval
Weight
1.66 ct.
Color
Vivid Yellow

Report GFCO ADP19768/27501-3

View details

Related reading Boost Positive Energy with Gemstones

What buying a gemstone here gets you

Verify it yourself

Report numbers are printed on the page so you can check them on the GIA or GIT site before paying.

See it before you buy

View in person in Rayong, or ask for live video of the stone under a loupe if you are abroad.

Set it with us afterwards

Buy the stone and commission the setting separately — bench labour is quoted apart from the stone.

Transparent pricing

We state whether a price is per stone, per carat or per set. Nothing hidden.

Looking for something not listed

Send us the specification and the budget. We source from Chanthaburi and always send photos and the report before you commit.

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