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Description

Unoaerre Ceylon Sapphire, Emerald, Diamond, Gold Necklace
Stones: Heart-shaped sapphire weighing
approximately 10.15 carats; heart-shaped
emerald weighing approximately 2.10 carats;
full-cut diamonds weighing a total of
approximately 2.65 carats
Metal: 18k gold
Marked: UNOAERRE
Gross Weight: 28.54 grams
Dimensions: 1-1/4 inches x 16 inches

GIA Report # 6233682811, dated September 9, 2025,
stating Natural Corundum, Sapphire, Sri Lanka Origin,
Heated


Condition Report*: Diamonds:
Avg Color: G-H-I
Avg Clarity: SI
Shape(s): Full-cut
Count: 51 - 75

Colored Gems:
Type(s): Emerald
Shape(s): Heart
Count: 1 - 25
Avg Quality: Good

Certified Gems:
Gem: 1
Lab: GIA
Certification #: 6233682811
Shape: Heart
Origin: Sri Lanka
Treatment: Heated
Type: Sapphire

Metals:
Gold

Overall Condition: Very Good
Condition Notes: A striking 18K yellow gold necklace by Unoaerre, the celebrated first-registered goldsmith of Arezzo, Italy (? 1 AR). The elegant design showcases a vivid heart-shaped sapphire measuring 12.80 x 17.05 x 5.68 mm, and a lush heart-shaped emerald measuring approximately 9.50 x 8.50 x 4.85 mm, each radiating rich, saturated color. Sparkling round brilliant-cut diamonds, with an estimated total weight of 2.65 carats, frame the gemstones in a dazzling halo of light. The piece is completed with a secure spring clasp, offering both beauty and wearability.
*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

Auction Dates
December, 2025
3rd Wednesday
Bids + Registered Phone Bidders: 21
Lot Tracking Activity: N/A
Page Views: 434

Buyer's Premium per Lot:
25% of the successful bid per lot.

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Sold on Dec 3, 2025 for: $15,000.00
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