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Description

Gemstone: Blue Topaz - 102.80 Cts.
Brazil

Instantly captivating in both scale and design, this exceptional round London Blue Topaz weighs an impressive 102.80 carats and showcases masterful fantasy brilliant faceting. The crown is accented with sharp, brilliant facets, further refined with linear step cuts along the girdle, while the pavilion reveals intricate, floral-inspired facets that radiate from the culet in a striking starburst motif. The gemstone displays a richly saturated deep greenish blue bodycolor, the signature hue of London Blue Topaz. The gemstone's rich coloration is the result of customary and widely accepted irradiation and heat treatment, a stable enhancement routinely employed for Blue Topaz. Expertly cut and polished by a highly skilled lapidary, the stone exhibits excellent symmetry, crisp facet junctions, and impressive luster. Eye-clean and in pristine condition, it presents beautifully in hand, with good brilliance and scintillation that animate its considerable proportions. As the birthstone for November, and one of the most recognized varieties of Topaz, London Blue remains enduringly admired for its moody sophistication and versatility in fine jewelry design. With its remarkable size, artistic faceting, and commanding presence, this 102.80-carat gemstone represents a unique acquisition opportunity, equally compelling as a centerpiece for a bold custom creation or as a distinguished addition to an advanced gemstone collection.
Measurements: 27.74 - 27.87 x 18.75 mm, 102.80 cts.


Estimate: $500 - up.

Condition Report*: Condition report available upon request.
*Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. Heritage does not guarantee the condition of frames and shall not be liable for any damage/scratches to frames, glass/acrylic coverings, original boxes, display accessories, or art that has slipped in frames. All lots are sold "AS IS" under the Terms & Conditions of Auction.

Auction Info

Proxy Bidding Ends 
April
29th Wednesday 10:50 am CT
Auction Dates
April
29th Wednesday
Proxy Bidding Time Remaining 
24 Days 17h 23m 24s
Bids + Registered Phone Bidders: 1
Lot Tracking Activity: 18
Page Views: 73

Buyer's Premium per Lot:
25% of the successful bid (minimum $49) per lot.

This lot is in: 1 - Signature® Floor Session - Nature & Science Signature Auction (Live Floor, Live Phone, Mail, Fax, Internet, and Heritage Live):
(Lots 72001-72280) - 11:00 AM Central Time, Wednesday, April 29, 2026.
[Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live now starts within 2 hours of when the auction opens for proxy bidding and continues through the live session.]

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Additional Location Info:
Heritage Auctions - Dallas
2801 W. Airport Freeway
Dallas, TX 75261

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Current Bid:
$250
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