18K Yellow Gold Flat Curb Link Chain with Geometric Pendant

Necklace (Chain with integrated pendant) · Yellow Gold with a rich, high-karat saturation likely alloyed with silver and copper.

Purity: 18K (750 fineness); containing 75% pure gold and 25% alloy metals.

18K Yellow Gold Flat Curb Link Chain with Geometric Pendant

Type

Necklace (Chain with integrated pendant)

Purity

18K (750 fineness); containing 75% pure gold and 25% alloy metals.

Gold Type

Yellow Gold with a rich, high-karat saturation likely alloyed with silver and copper.

Weight

Estimated 12 to 18 grams based on link thickness and pendant mass.

Description

A refined 18K yellow gold flat curb chain that catches light across its broad surfaces, paired with a modern square pendant.

Key Features

High-purity 18K gold, classic curb link strength, and a unique minimalist sapphire-set pendant tag.

Color & Finish

Vivid deep yellow with a high-polish mirror finish; minor surface micro-scratches from wear.

Hallmarks & Stamps

Visible '750' stamp on the oval end tag and an circular maker's mark near the clasp.

Dimensions Estimate

Chain length approximately 18-20 inches; link width estimated at 3mm to 4mm.

Gemstones & Inlays

Square geometric pendant features a central flush-set blue gemstone, possibly a sapphire or spinel.

Clasp & Closure

Lobster claw clasp, high-security mechanical spring type, matching the 18K gold color.

Chain & Links

Flat curb links (Grumetta style), machine-massembled with precision soldering and excellent flexibility.

Craftsmanship Details

Precision-cut links with high-polish bevels; the pendant demonstrates clean flush-setting technique.

Authentication Indicators

Color depth is consistent with 75% gold; '750' stamp matches high-quality lobster clasp construction.

Origin & Maker

Likely Italian or European origin; the '750' in an oval is characteristic of Italian export marks.

Era & Period

Contemporary Modern (2010s-present) featuring minimalist geometric design influences.

Age Estimate

Circa 2015-2023 based on the clasp style and contemporary laser-engraved hallmarks.

Cultural Significance

Represents modern everyday luxury; the curb chain is a global symbol of durability and status.

Condition Notes

Very Good condition; structural integrity is excellent, minor tangling visible but no permanent kinking.

Value Estimate

Value is primarily based on 18K melt value plus a 20-30% premium for craftsmanship and gemstone.

Care & Maintenance

Clean with warm soapy water and a soft brush; store flat to avoid the flat links twisting or kinking.

Similar Items

Cuban link chains (thicker), Figaro chains (alternating link lengths), or 14K alternative curb chains.

Interesting Facts

The Curb link originated from horse bridle hardware, later adapted as the most durable jewelry link style.

Identified on 5/26/2026
18K Yellow Gold Flat Curb Link Chain with Geometric Pendant | Gold Identifier