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| TABLE 5 | ||||
| PRICES PER CARAT OF U.S. CUT COLORED GEMSTONES IN 2005 | ||||
| Price range per carat | ||||
| Gemstone | January1 | December2 | ||
| Amethyst | $7-15 | $7-15 | ||
| Blue sapphire | 625-1,250 | 625-1,250 | ||
| Blue topaz | 3-5 | 3-5 | ||
| Emerald | 1,900-3,200 | 1,900-3,200 | ||
| Green tourmaline | 45-60 | 45-60 | ||
| Pearl:3 | ||||
| Cultured saltwater | 5 | 5 | ||
| Natural | 210 | 210 | ||
| Pink tourmaline | 60-125 | 60-125 | ||
| Rhodolite garnet | 18-30 | 18-30 | ||
| Ruby | 900-1,125 | 900-1,125 | ||
| Tanzanite | 250-375 | 250-400 | ||
| 1Source: The Guide, spring/summer 2005, p. 14, 30, 45, 61, 72, 86, 96, | ||||
| 98, 104, 123, and 135. These figures are approximate current wholesale | ||||
| purchase prices paid by retail jewelers on a per stone basis for fine- | ||||
| quality stones. | ||||
| 2Source: The Guide, fall/winter 2005-2006, p. 14, 30, 45, 61, 72, 86, 96, | ||||
| 98, 104, 123, and 135.� These figures are approximate current wholesale | ||||
| purchase prices paid by retail jewelers on a per stone basis for fine- | ||||
| quality stones. | ||||
| 3Prices are per 4.6-millimeter pearl. | ||||
Source: United States Geological Survey Mineral Resources Program