Diamond By the Yard 14K white gold natural white round brilliant station diamond. 
It features in triple strands with seven bezel set round brilliant diamond.
Size of the diamond approx. 2.9-3.0mm, combine approx. 0.7ct, H-I color and Si1-Si2 clarity. 
Lobster clasp. 7.5 inches long, weight 3.1 grams. Hallmark 14K