Adam's Northwest Estate Sales & Auctions

Radiant and full of brilliance, this 16.5 carat natural Blue Topaz gemstone dazzles with its vivid Swiss Blue hue and exceptional sparkle. Expertly faceted in a classic oval checkerboard cut, this gem exhibits lively flashes of light across every angle — a true statement stone perfect for a custom ring or pendant.

The gem’s clarity and saturation make it stand out among large-carat topaz specimens. Whether you’re a collector, jeweler, or simply a lover of bold color gemstones, this topaz will bring your next design to life with a captivating glow.

Details:

• Gemstone: Natural Blue Topaz

• Weight: 16.5 carats

• Shape/Cut: Oval Checkerboard Cut

• Color: Vibrant Swiss Blue

• Clarity: Eye-clean, highly transparent

• Treatment: Commonly heat/irradiation treated (industry standard)

• Dimensions: Approx. 18mm x 13mm x 9mm (estimated from photo)

• Condition: Excellent, ready for setting or collection display

💎 Highlights:

• Large 16.5ct gem with brilliant faceting and saturation

• Ideal centerpiece for a custom gold or silver mount

• Exceptional clarity and light performance

• Collector-grade size and cut

• Eye-catching Swiss Blue hue prized in fine jewelry

✨ A brilliant, sky-blue treasure of nature — full of sparkle, presence, and timeless beauty. Perfect for any jeweler, gem collector, or artisan.

It is essential to understand that you must bring your own assistance for transporting purchased items. Our staff is unable to assist with loading or carrying. By placing a bid, you acknowledge and agree to these terms and confirm that you are prepared to independently manage the transportation of your items. If these conditions are not suitable for you, we kindly ask that you refrain from participating in this auction. 

Items that are not picked up by 2:00 PM on the specified day are considered forfeited with NO REFUND! Please plan accordingly and set a reminder on your phone to avoid any last-minute issues.