18K Two-Tone Gold Natural Ruby and Diamond Floral Cluster Ring
Ring (Cocktail/Floral Cluster) · Two-Tone; Yellow gold shank with white gold or rhodium-plated head to enhance diamond brilliance.
Purity: 18K (750 fineness) - Contains 75% pure gold alloyed with 25% other metals for durability.

Type
Ring (Cocktail/Floral Cluster)
Purity
18K (750 fineness) - Contains 75% pure gold alloyed with 25% other metals for durability.
Gold Type
Two-Tone; Yellow gold shank with white gold or rhodium-plated head to enhance diamond brilliance.
Weight
5.5 - 7.5 grams (assuming solid construction typical of mid-20th century pieces).
Description
An elegant mid-century cocktail ring featuring a vibrant oval ruby centerpiece held by four prominent prongs. The central stone is framed by a stylized white-metal floral 'halo' composed of four scalloped petals, each meticulously set with accent diamonds to create a shimmering contrast against the warm yellow gold band.
Key Features
Scalloped floral motif; high-set basket gallery; two-tone metal contrast; organic petal-like diamond settings.
Color & Finish
High-polish yellow gold base with white-toned pave/illusion settings; subtle patina noted in recessed areas.
Hallmarks & Stamps
Likely stamped '750' or '18K' on the inner shank; potentially features a maker's mark or assay eagle/head depending on European origin.
Dimensions Estimate
Ring face approx. 18mm x 16mm; estimated ring size US 6.5 - 7.5; shank width 3mm at base.
Gemstones & Inlays
One oval-cut natural ruby (approx. 1.5 - 2.0ct) surrounded by 18-24 small round brilliant or single-cut diamonds (approx. 0.30tcw).
Clasp & Closure
N/A (Continuous band ring).
Chain & Links
Solid tapered shank with a 'D-shape' profile; integrated decorative gallery for stone elevating.
Craftsmanship Details
Hand-finished casting with channel and pave diamond settings; the gallery shows evidence of manual soldering to the tapered band.
Authentication Indicators
Color saturation of the gold; metal contrast at the head-to-shank join; depth and clarity of the gemstone facet edges.
Origin & Maker
Likely Western European (Italian or French) or high-end North American commercial production.
Era & Period
Mid-Century Modern / Retro (circa 1950-1970) evidenced by the scalloped floral cluster and heavy prong work.
Age Estimate
Circa 1960s; the setting style and prong configuration are characteristic of post-WWII luxury jewelry.
Cultural Significance
Representing mid-century opulence, cocktail rings were designed to be worn on the right hand to signify a woman's independent social status.
Condition Notes
Good condition; minor surface scratches on shank; ruby shows slight facet wear under magnification; one diamond appears slightly recessed.
Value Estimate
$1,200 - $1,800 USD (market resale); Value based heavily on Ruby origin (e.g., Burma vs. Thai) and treatment status.
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid ultrasonic cleaners if the ruby has significant inclusions/fracture filling.
Similar Items
Victorian halo rings (more ornate/closed back), Modern minimalist ruby solitaires, or Art Deco geometric ruby rings.
Interesting Facts
The 'floral cluster' design became immensely popular in the mid-20th century as a symbol of 'the blooming life' following wartime austerity.