This specific piece is frequently listed as a 10-inch bowl, though due to the hand-finished ruffled or crimped rim, its actual diameter can range slightly from 10 to 10.5 inches. It typically stands about 1.5 to 2 inches tall. Product Details Manufacturer: Indiana Glass Company (USA). Pattern: Often identified as "Diamond Point" or "Diamond Point Star". Color: Iridescent "Windsor Blue," which reflects a spectrum of blue, purple, and gold tones. Era: Produced primarily during the late 20th century, specifically the 1960s and 1970s.