18K Yellow Gold Sapphire and Diamond Double Halo Cocktail Ring
Ring (Cocktail/Engagement Style) · Yellow Gold shank with potential white gold or rhodium-plated settings in the halo to enhance diamond brilliance.
Purity: 18K (750 fineness); Contains 75% pure gold and 25% alloy metals, commonly chosen for fine gemstone settings for its balance of durability and prestige.
Type
Ring (Cocktail/Engagement Style)
Purity
18K (750 fineness); Contains 75% pure gold and 25% alloy metals, commonly chosen for fine gemstone settings for its balance of durability and prestige.
Gold Type
Yellow Gold shank with potential white gold or rhodium-plated settings in the halo to enhance diamond brilliance.
Weight
4.5 to 6.0 grams total weight, including gemstones; a solid construction consistent with high-end luxury jewelry.
Description
An elegant 18K yellow gold cocktail ring featuring a vibrant blue oval-cut sapphire. The center stone is framed by a sophisticated double halo of shimmering diamonds, which extend down the shoulders of the band to create a continuous display of light and luxury.
Key Features
Dramatic double halo design, high-quality prong-set center sapphire, and a 'split' visual effect between the yellow gold band and white diamond settings.
Color & Finish
Rich, warm yellow gold shank with a high-polish mirror finish; the head appears to have a contrasting white metal finish to support the pavé-set diamonds.
Hallmarks & Stamps
Expected marks on the inner shank would include '18K' or '750', a maker's mark (e.g., brand initials), and potentially gemstone carat weights (e.g., 'S 1.20 D 0.45').
Dimensions Estimate
Ring size approximately 6-7 US; main head measures roughly 12mm x 14mm; shank width approximately 2mm.
Gemstones & Inlays
Center: Approx. 1.5-2.0ct Oval Cut Blue Sapphire (likely heat treated); Accents: Approx. 0.40ctw of Round Brilliant Cut Diamonds in a double halo and pavé-set shoulders.
Clasp & Closure
N/A (Continuous band ring)
Chain & Links
N/A; Band is a tapered pavé-set shank with a smooth interior for comfort.
Craftsmanship Details
Likely CAD/CAM designed and cast using the lost-wax process, followed by hand-setting of the accent diamonds; features high-precision micro-pavé work on the shank.
Authentication Indicators
The depth and color of the yellow gold are consistent with 18K purity; the clarity of the diamonds and the saturation of the sapphire suggest genuine fine jewelry rather than costume pieces.
Origin & Maker
Likely of Italian or Thai manufacture, areas known for high-quality gemstone setting and 18K gold craftsmanship.
Era & Period
Contemporary (2010s-present); Utilizes a modern double halo design popularized by luxury brands like Tiffany & Co. and Harry Winston.
Age Estimate
Produced within the last 5-10 years based on the precision of the micro-pavé setting techniques.
Cultural Significance
Blue sapphires have historically represented royalty, wisdom, and virtue. In modern culture, they are the most popular non-diamond choice for commitment jewelry.
Condition Notes
Very Good/Excellent; the gold shows minor surface micro-scratches from light wear; settings appear tight and the sapphire retains sharp facet junctions.
Value Estimate
Estimated retail replacement: $2,500 - $4,500; Secondary market/Auction: $1,200 - $1,800 depending on sapphire origin and diamond quality.
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid ultrasonic cleaners if the sapphire has many inclusions; professional prong inspection every 6 months recommended.
Similar Items
Cartier Destinée Ring (similar halo architecture) or a Tiffany Soleste Sapphire (platinum equivalent).
Interesting Facts
The 'Halo' setting was originally popular in the Georgian era but has seen a massive resurgence in the 21st century because it makes the center stone appear up to 50% larger than its actual carat weight.