Victorian Era Topaz Gemstone RIVIÈRE Necklace

Victorian era topaz gemstone necklace, in gold collet settings. Fine oval stones in pale warm colors. In the original leather fitted tool red box. English in origin. Circa 1870. 

Necklace measures 17.50" in length. Hidden push tab closure at back. It lays beautifully on the neck and would be great layered. Wearable and Rare.