18K White Gold Double Halo Oval Sapphire and Diamond Cocktail Ring
Ring (Cocktail/Engagement style) · White Gold, likely rhodium-plated for enhanced brilliance and a cool silver-toned appearance
Purity: 18K (750 fineness) indicating 75% pure gold alloyed with white metals like palladium or nickel
Type
Ring (Cocktail/Engagement style)
Purity
18K (750 fineness) indicating 75% pure gold alloyed with white metals like palladium or nickel
Gold Type
White Gold, likely rhodium-plated for enhanced brilliance and a cool silver-toned appearance
Weight
Estimated 4.5 to 6.0 grams including gemstones, with a solid band construction
Description
An elegant and substantial cocktail ring featuring a deep blue oval sapphire. The center stone is amplified by two brilliant tiers of diamond halos, creating a 'target' effect that maximizes finger coverage and light return. The white gold setting provides a neutral, bright backdrop that emphasizes the saturation of the sapphire.
Key Features
Double halo setting, double-prong sapphire security, tapered minimalist shank to highlight the head of the ring
Color & Finish
Cool bright white with a high-polished mirror finish; rhodium plating provides a high-luster surface
Hallmarks & Stamps
Likely stamped '750' or '18K' on the inner shank; may include a small maker's mark or diamond carat weight stamp
Dimensions Estimate
US Ring Size 6-7 estimated; Oval center stone approx 8x6mm; Halo diameter approx 14-16mm
Gemstones & Inlays
Center: Natural Oval Cut Blue Sapphire (~1.50-2.00ct); Accent: Two concentric rows of Round Brilliant Cut Diamonds (Double Halo) in prong settings
Clasp & Closure
Not applicable; features a solid continuous bypass or standard round shank
Chain & Links
Solid tapered shank with a smooth interior profile; typical 'comfort fit' contemporary design
Craftsmanship Details
Cast construction with hand-finished stone settings; precise alignment of melee diamonds indicates high-quality commercial manufacturing
Authentication Indicators
Color of white gold is consistent with high-quality rhodium plating; double-prong setting is a common indicator of quality craftsmanship for heavy stones; high-clarity melee diamonds
Origin & Maker
Likely commercial luxury production or high-end boutique jeweler; design is common in European and North American markets
Era & Period
Contemporary (2000s-present) featuring a modern 'Lady Di' inspired double halo design
Age Estimate
Likely manufactured within the last 10-15 years given the laser-sharp setting style and halo popularity
Cultural Significance
Blue sapphires traditionally symbolize nobility, truth, and sincerity; often chosen for 'something blue' in bridal contexts or as a September birthstone gift
Condition Notes
Very Good; the gold shows minor surface micro-scratches consistent with light wear; sapphire remains clear with no visible facet chipping from this angle
Value Estimate
Retail replacement value between $2,500 - $4,500 depending on sapphire origin and diamond grade; gold melt value is secondary to the gemstone value here
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh chemicals to protect the sapphire's surface; professional rhodium replating every 1-2 years to maintain the 'bright white' look
Similar Items
Single Halo Sapphire Ring (Classic), Cluster Sapphire Ring (Victorian style), or Tanzanite Double Halo (lighter violet hue)
Interesting Facts
The 'Halo' setting dates back to the Georgian era but saw a massive resurgence after Prince William proposed to Kate Middleton with a similar (single halo) sapphire once belonging to Princess Diana.