18K Yellow Gold Japanese Kihei Curb Link Chain
Chain (Kihei Curb Link) · Yellow Gold (Classic gold/copper/silver alloy typical of East Asian jewelry)
Purity: 18K (750 fineness) containing 75% pure gold and 25% alloying metals
Type
Chain (Kihei Curb Link)
Purity
18K (750 fineness) containing 75% pure gold and 25% alloying metals
Gold Type
Yellow Gold (Classic gold/copper/silver alloy typical of East Asian jewelry)
Weight
Estimated 5.0 to 10.0 grams based on link width and single-row density
Description
A classic Kihei-style curb chain featuring flat-faced links that lie flush against the skin, maximizing luster and durability for daily wear.
Key Features
Kihei style flat links; K18 hallmark placement; high-shine yellow hue
Color & Finish
Vibrant, high-saturated yellow with mirror-finish high polish
Hallmarks & Stamps
Visible 'K18' stamp on the flat end-tab (Japanese style marking)
Dimensions Estimate
Approx. 1.5mm - 2.0mm link width; standard length likely 18 to 20 inches
Gemstones & Inlays
No gemstones or inlays; solid gold construction
Clasp & Closure
Spring ring clasp with a flat, stamped rectangular end-connector piece
Chain & Links
Traditional 2-sided curb links (Kihei style); machine-made with precise uniform soldering
Craftsmanship Details
Precision machine-cut links with high-integrity soldering; smooth transition from chain to clasp tab
Authentication Indicators
The 'K18' stamp is sharp and correctly positioned on the jump ring tab; color is consistent with 750 gold
Origin & Maker
Likely Japan or Southeast Asia given the 'K18' (vs 18K) hallmark orientation
Era & Period
Modern/Contemporary style based on the 'K18' stamp format and link precision
Age Estimate
Likely produced within the last 20 years (circa 2000-present)
Cultural Significance
Represents a blend of functional investment (bullion-like purity) and fashion-conscious accessory common in Asian markets.
Condition Notes
Very Good/Excellent; minimal visible surface scratches; links appear straight without kinks
Value Estimate
Primarily valued by weight; current melt value + 15-30% retail/craftsmanship premium
Care & Maintenance
Clean with warm soapy water and a soft brush; store flat to prevent link entanglement; professional polish every 2-3 years
Similar Items
Figaro chains (alternating link sizes) or standard 14K curb chains (paler color, different stamp)
Interesting Facts
The Kihei chain is Japan's most popular gold investment jewelry, often held for its high resale value and liquidity.