Edwardian 18K Gold, Sapphire, and Diamond Necklace

the open-work pendant necklace centering a cushion-cut sapphire surmounted by old mine-, single-, and rose-cut diamonds; suspended from a lozenge-shaped sapphire, further suspended by an oval-cut sapphire surmounted by old mine-, single-, and rose-cut diamonds; maker's mark, French assay marks, and hand numbering; 10.79 dwts.; pendant lg. 2 5/8 in.; necklace lg. 21 1/2 in.

  • Provenance: By descent within the Colt Family, Bristol, Rhode Island.
  • Notes: Accompanied by AGL report no. 1130397 dated March 15, 2023:
    - Oval: Thailand, no heat.
    - Lozenge: Thailand, heat.
    - Cushion: Cambodia (Pailin), no heat.
    - All: No additional enhancements.
  • Condition: diamonds weighing approx. 3.85 tcw.; sapphires of medium deep blue; great condition for age; chain has two knots.

    Please note: All property is sold "AS IS" and any statement, whether oral or written, is given as a courtesy and shall not be deemed as a guarantee, warranty, or representation of the authenticity of authorship, physical condition, size, quality, rarity, importance, provenance, exhibitions, literature or historical relevance of the property or otherwise. The absence of a condition report does not imply the item is in perfect condition.

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May 7, 2023 11:00 AM EDT
Boston, MA, US

Grogan & Company

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Bid Increments
From: To: Increments:
$0 $999 $100
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 + $10,000