Title:
Blue Diamonds: Tavernier Indian, Brunswick, Hope, and Pirie
Caption:
Blue Diamonds: 1. Tavernier Indian rough blue, 2. Brunswick blue (rose cut), 3. Hope blue (brilliant cut) and 4. Pirie blue (brilliant cut). Chromolithograph by an unknown artist from Edwin Streeter's "Precious Stones and Gems," London, George Bell & Sons, 1892. Streeter was a famous Victorian jeweller with a shop in London, and author of several books on precious stones.