AGL Certified 9.60ct Colombian Emerald & Diamond Tennis Necklace in Platinum

The History & Collector's Insight:
An extraordinary statement of high-end estate curation, this platinum necklace centers around a magnificent 9.60-carat natural Colombian emerald. Accompanied by AGL Certificate #8092191 confirming minor traditional clarity enhancement, this centerpiece displays the vivid, highly saturated green hue characteristic of the world's most coveted Colombian mines. Framed by a halo of brilliant diamonds and suspended from a continuous diamond tennis chain, it embodies timeless luxury and investment-worthy design.

Specifications & Condition Report

• Certification: AGL Certified (#8092191 - Colombian Origin, Minor Treatment)
• Primary Gemstone: 9.60ct Natural Colombian Emerald (12.75 x 12.35 x 9.10 mm)
• Metal Composition: Solid Platinum (Tested & Verified)
• Accent Diamonds: 138 Round Brilliant Diamonds, Approx. 15.50ctw (G-H Color, VS Clarity)
• Gram Weight: 45.7 grams
• Style: Halo Emerald Centerpiece on a Continuous Diamond Tennis Chain
• Condition: Excellent estate condition with brilliant polish, secure prong settings, and a fully functional safety clasp.

Frequently Asked Questions About This Piece

Why is AGL certification so important for a Colombian emerald?

The American Gemological Laboratories (AGL) is the premiere international authority on colored gemstone origin and treatment analysis. An AGL report confirming Colombian origin and minimal clarity enhancement guarantees both authenticity and maximum long-term market value for major collectors.

Can the length of this tennis necklace be adjusted?

Yes. Our master bench jeweler can safely shorten or add matching platinum diamond links using precise laser-welding techniques to achieve your exact desired drop length without compromising the structural balance of the centerpiece.

Learn more about emerald sourcing in our Collector's Library or explore our full Estate Jewelry Collection.