Black Dot Paste Silver RingBrilliant silver and black dot paste ring, converted from a button, circa early 19th century. Black dot paste was made to simulate early cut diamonds and is recognizable by the tiny black dot in the center of each stone. Paste was a popular cut glass stone introduced near the second half of the Georgian period (1714 to 1837) and maintained popularity through the Victorian era (1837 to 1901). Many paste stones are incredibly beautiful, especially the