Queen Mary Emerald Celtic knot brooch in 925 sterling silver, cubic zirconia gift for her 

Metal Type: Sterling Silver 

Metal Purity:925

Metal weight: 12.15 gram

Stone; American Diamond

Diamond Ctw:4.72.ctw

Diamond shape Round

Diamond Clarity : AAAAA+

Gemstone: emerald 

Gemstone type: Lab Created

Gemstone weight: 5.10 ctw.

Length of single brooch:  1.40 in

Length of double brooch:  1.40 inch

Item finished colour: Plated white gold
Story: Inspired by courtly attire, this brooch revives the art of jeweled pins that once adorned royal lapels and gowns.