Art Deco Style Sapphire and Diamond Pendant Necklace
Fine Jewelry / Decorative Art (Pendant and Chain) • Unknown commercial manufacturer; non-branded luxury market. Box resembles Cartier styling but lacks specific branding logos to confirm house origin.
Style & Movement
Art Deco Revival; characterized by geometric octagonal framing and concentric contrasting stone colors.
Medium & Technique
Cast and set yellow gold (likely 14k or 18k), featuring an oval-cut central sapphire, approximately 8 small diamond accents, and an outer halo of sapphire melee. Techniques include grain setting and milgrain detailing.
Creation Period
Late 20th Century to Contemporary (Circa 1980s-2000s)
Dimensions & Format
Pendant: approx. 15mm x 12mm; Chain: approx. 18 inches. Vertical drop format.
Subject Description
A geometric, octagonal pendant featuring a tiered target design. The center holds an oval blue sapphire, surrounded by a ring of small white diamonds, further enclosed by an octagonal frame of dark blue sapphires on a thin yellow gold chain.
Condition & Value Assessment
Condition Assessment
Good; visible wear on the gold setting. The presentation box shows significant aging, yellowing of the silk lining, and glue degradation.
Estimated Market Value
$600 - $1,200 USD (Reflecting material value and secondary market demand)
Auction Estimate
$400 - $800 USD
Provenance History
Likely acquired as a retail purchase in the late 20th century. Housed in a red leatherette presentation box indicative of high-street jewelers from the mid-to-late century.
Art Historical Significance
Represents the enduring legacy of the Art Deco aesthetic in late 20th-century commercial jewelry design, emphasizing the 'target' motif popularized in the 1920s.
Notable Features
The octagonal 'stepped' design and the use of milgrain texture around the diamond halo provide a vintage aesthetic despite modern manufacturing.
Condition Issues
Surface scratches on gold; possible minor abrasions to sapphire facets. Box lining is frayed and discolored with visible adhesive stains.
Conservation Recommendations
Ultrasonic cleaning for the pendant; professional polishing of gold. Store in a tarnish-resistant pouch. Replace box if used for gift/sale due to lining degradation.