Edwardian Antique Red and Blue Tourmaline Diamond Bow Lavaliere Necklace

Enchanting Edwardian period necklace. The feminine bow design is studded with rose-cut diamonds which suspend blue tourmaline and rubellite. Mounted in 18ct yellow gold. Presented on a fixed yellow gold chain. Circa 1910.

• Red tourmaline (rubellite): approx. 4.00 carats, measuring 12.11mm x 9.01mm
• Blue tourmaline (2): approx. 1.35 carat total
• Diamonds: approx. 1.40 carat total
• Metal: Tests as 18ct gold
• Hallmarks: None/worn
• Centrepiece dimensions: 54 x 34mm
• Chain length: 45cm
• Gross weight: 12.7 grams
• Condition: very good