DATE: Art Nouveau, c.1910 

A very pretty turn of the century three stone diamond engagement ring commonly referred to as crossover ring. It's set with a natural blue sapphire, in-between two sparkly diamonds, within platinum millegrain settings. The three stones of a trilogy ring are said to represent the past, present and future, and this one is in crafted in 18k gold and platinum, which runs along the outer band and back up to the shoulders. (Platinum doubled). Dates from the Art Nouveau period, circa 1910. 

STONES 

Natural Sapphire 

Old Cut Diamonds 

MEASUREMENTS 

Head: 8 x 12.3mm

Width of band: 1.4mm

Rise off finger: 3mm

WEIGHT 

 2.44g

MARKS 

 No marks present, tests as 18k gold and platinum 

CONDITION 

 Very good, with gorgeous antique patina