A. Jaffe 18kt White Gold Semi Mount with 12 round diamonds totaling approx. 0.12ct total weight. 

The mounting can be used for any size diamond or shape of diamond by simply switching the four prong peg head. The current head attached can fit a 0.70 - 1ct. round / square diamond nicely. 

Size 3.75, total weight of ring is 3.4 Grams.