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| TABLE 5 | ||||
| PRICES PER CARAT OF U.S. CUT COLORED GEMSTONES IN 2006 | ||||
| Price range per carat | ||||
| Gemstone | January1 | December2 | ||
| Amethyst | $7-15 | $7-15 | ||
| Blue sapphire | 675-1,250 | 700-1,375 | ||
| Blue topaz | 5-10 | 5-10 | ||
| Emerald | 2,400-3,500 | 2,400-4,000 | ||
| Green tourmaline | 45-60 | 45-60 | ||
| Cultured saltwater pearl3 | 5 | 5 | ||
| Pink tourmaline | 60-125 | 60-125 | ||
| Rhodolite garnet | 18-30 | 18-30 | ||
| Ruby | 900-1,125 | 1,725-2,000 | ||
| Tanzanite | 275-425 | 300-450 | ||
| 1Source: The Guide, spring/summer 2006, p. 14, 31, 45, 61, 72, 86, 96, | ||||
| 98, 104, and 123.� These figures are approximate current wholesale | ||||
| purchase prices paid by retail jewelers on a per stone basis for 1 to <2 | ||||
| �carat, fine-quality stones. | ||||
| 2Source: The Guide, fall/winter 2006-2007, p. 22, 37, 51, 65, 74, 85, 95, | ||||
| 98, 104, and 119.� These figures are approximate current wholesale | ||||
| purchase prices paid by retail jewelers on a per stone basis for 1 to <2 | ||||
| carat, fine-quality stones. | ||||
| 3Prices are per 4.6-millimeter pearl. | ||||
Source: United States Geological Survey Mineral Resources Program