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Home / All Jewelry, Timepieces & Luxury Accessories / 2025 December 3 Holiday Fine Jewelry Signature® Auction Auction #5575 / Lot #55017
LOT #55017  | 
Reserve Amount: $6,000

Michael Christoff Colored Diamond, . Diamond, Gold Necklace. ...

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Description

Michael Christoff Colored Diamond,
Diamond, Gold Necklace
Stones: Pear-shaped colored diamond weighing
1.11 carats; full-cut diamonds weighing
a total of 2.40 carats
Metal: 18k white and yellow gold
Marked: for Michael Christoff
Gross Weight: 12.50 grams
Dimensions: 16-1/2 inches x 1-1/8 inches

More information about Michael Christoff. See also: Christoff, Michael Artist.

Estimate: $8,000 - $10,000.

Condition Report*: Diamonds:
Colored Diamond Color: Yellow
Avg Color: G-H-I
Avg Clarity: SI
Shape(s): Pear and Full-Cut
Count: 76 - 100

Metals:
Gold

Overall Condition: Very Good
Condition Notes: The pear-shaped colored diamond is set within a closed-back mounting and measures 8.30 × 5.64 × 3.46 mm, and was previously graded Fancy Yellow by the accompanying GIA Colored Diamond Identification and Origin Report from 2012. Its clarity is defined by central carbon-colored inclusions. The supporting diamonds are cleaner, with VS clarity and intact surfaces. The chain is marked 18k and signed Michael Christoff.
Michael Christoff: Michael Christoff is a Beverly Hills jeweler, his company established in 2007. His style, fully developed from the beginning, is very feminine. Gemstones are set within diamond frames that are light and sparkling, a reimagining of Edwardian jewelry. His designs continue to grace the hands of many Hollywood stars.

*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

2025 December 3 Holiday Fine Jewelry Signature® Auction #5575 (go to Auction Home page)
Proxy Bidding Ends 
December
3rd Wednesday 9:50 am CT
Auction Dates
December
3rd Wednesday
Proxy Bidding Time Remaining 
34 Days 17h 50m 18s
Bids + Registered Phone Bidders: 1
Lot Tracking Activity: 8
Page Views: 105

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.]

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

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*Reserve Not Met. A reserve has been posted on this lot, but no bids have met the reserve. The next bid will meet the reserve.

Reserve Amount:
$6,000
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