Skip to main content
Go to accessibility options

Description

Tanzanite, Diamond, Platinum, Gold Necklace
Stones: Pear-shaped tanzanite weighing approximately
12.50 carats; full-cut diamond weighing a total of
approximately 0.55 carat
Metal: Platinum and 18k gold
Gross Weight: 23.40 grams
Dimensions: 18 inches x 1-1/8 inches


Estimate: $5,000 - $7,000.

Condition Report*: Diamonds:
Avg Color: G-H-I
Avg Clarity: VS
Shape(s): Full-Cut
Count: 1 - 25

Colored Gems:
Type(s): Tanzanite
Shape(s): Pear
Count: 1 - 25
Avg Quality: Good

Metals:
Platinum
Gold

Overall Condition: Very Good
Condition Notes: The pear-shaped tanzanite measures approximately 17.75 x 12.80 x 8.85 mm and exhibits a fine tanzanite blue with velvety saturation, accented by flashes of violet from the gem’s natural pleochroism. The piece is crafted primarily in platinum with 18k yellow gold detailing, and is completed with a robust lobster claw clasp.
*Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS".

Auction Info

Proxy Bidding Ends 
December
3rd Wednesday 9:50 am CT
Auction Dates
December
3rd Wednesday
Proxy Bidding Time Remaining 
7 Days 2h 12m 8s
Bids + Registered Phone Bidders: 1
Lot Tracking Activity: 17
Page Views: 178

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

This lot is in: 1 - Signature® Floor Session (Live Floor, Live Phone, Mail, Fax, Internet, and Heritage Live):
(Lots 55001-55355) - 10:00 AM Central Time, Wednesday, December 3, 2025.
[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.]

Show All Session Information

Show Auction Type Info

Exhibition Viewing Times, Title Page, Floor Session and License Information

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

Shipping, Taxes, Terms and Bidding
Sales Tax information

Important information concerning Sales Tax and Resale Certificates. Learn More

Terms and Conditions  |  Bidding Guidelines and Bid Increments |  Glossary of Terms
Current Bid:
$2,500
Track Item