Estimate: $1,500 - $2,500
An Edwardian era pale blue star sapphire and diamond pin, partial Black, Starr & Frost maker's mark. Greyish pale blue cabochon sapphire measuring 14.17 x 9 mm surrounded by 17 Old Mine cut diamonds weighing 0.20 ct each, 3.40 tcw. Set in 14k yellow gold. Gross weight of 8.4 grams.
Property from an Influential Family, Washington, DC.
