turquoise and diamond locket

An 18-carat gold oval locket with a symmetrical decor of oval-cut turquoises in a clover motif, in between which are 30 small rose-cut diamonds. A glass pane at the back; the hoop is calibré-set with oval-cut turquoises, attributed to: Paul Robin, France, circa 1873.

dimensions locket: 5.3 x 3.7 cm.
weight locket: 23.2 grams
weight chain: 19.3 grams
length chain: 66 cm.

Literature: French Jewelry of the 19th Century, Henry Vever, p. 809 lists an identical pendant by Paul Robin.