18K Yellow Gold Flat Curb Link Chain with Blue Sapphire and Diamond Pendant
Necklace (Flat Curb/Cuban Link Chain with Stone-Set Pendant) · Yellow Gold: Deep, saturated yellow typical of High-Karat European or Middle Eastern alloys, likely containing silver and copper.
Purity: 18K (750 fineness) Solid Gold, containing 75% pure gold and 25% alloy metals.
Type
Necklace (Flat Curb/Cuban Link Chain with Stone-Set Pendant)
Purity
18K (750 fineness) Solid Gold, containing 75% pure gold and 25% alloy metals.
Gold Type
Yellow Gold: Deep, saturated yellow typical of High-Karat European or Middle Eastern alloys, likely containing silver and copper.
Weight
Estimated 8-12 grams total weight (item appears to be lightweight, thin-gauge machine-cut links).
Description
This elegant everyday piece features a classic 18K yellow gold flat curb chain that provides a continuous shimmer. Suspended from the center is a delicate rectangular pendant featuring a vibrant blue sapphire, framed by a textured gold border with four accent points. The high gold content provides a prestigious weight and a lasting deep yellow luster that won't tarnish.
Key Features
The contrast between the masculine utility of the curb link and the feminine delicacy of the emerald-cut sapphire; high-purity 18K gold composition.
Color & Finish
Rich buttery yellow with a high-polish mirror finish; the pendant features a textured or beaded frame around the center stone.
Hallmarks & Stamps
A 750 or 18K purity stamp is visible on the flat end drop of the lobster clasp assembly; additional tiny maker's marks appear on the clasp lever.
Dimensions Estimate
Chain length: 18-20 inches; Chain width: 2.5-3.0mm; Pendant: 8mm x 6mm approximately.
Gemstones & Inlays
Center Stone: One emerald-cut blue sapphire (likely synthetic or heat-treated). Accents: Four tiny round diamonds or white topazes set in the corners of the mounting.
Clasp & Closure
Modern lobster claw clasp with a flat end loop and a secondary jump ring for adjustable length.
Chain & Links
Flat Curb (Cuban) link construction; machine-made for precision and uniformity; links are tight and flat-pressed for a smooth drape.
Craftsmanship Details
Machine-stamped links with professional factory polishing; pendant is likely cast in a mold and hand-set with prong/bead settings.
Authentication Indicators
Saturated yellow hue consistent with 18K; hallmarked 750 on the clasp; uniform link soldering; lack of brassing suggests solid gold rather than plated.
Origin & Maker
Likely of Italian or Turkish origin given the link style and clasp assembly; mass-market luxury boutique production.
Era & Period
Contemporary (2000s-Present): Stylistic minimalist combination of a classic utility chain with a traditional gemstone focal point.
Age Estimate
Likely 2010 to present based on the lobster clasp design and the laser-etched appearance of the markings.
Cultural Significance
Represents a modern blend of 'investment jewelry' (high karat weight) and 'fashion jewelry' (minimalist wearable design).
Condition Notes
Very Good: Structurally sound with minor surface micro-scratches on the clasp; the sapphire shows good facet integrity with no visible chips.
Value Estimate
Estimated $650 - $900 Retail; Melt value approximately $450 - $550 based on current spot prices and gold weight.
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid ultrasonic cleaners if the sapphire is treated; store flat to prevent chain kinking.
Similar Items
14K Rope Chain with Sapphire Slide (thicker, less pure); 18K White Gold Venetian Box Chain (different link geometry).
Interesting Facts
The curb link design originated from horse bridle terminology, where a flat chain was needed to lie comfortably against the horse's jaw.