Developing this theme, a recent theoretical literature on urban growth con-trols abstracts from the market failures considered above and portraysgrowth-control policies as a way for landowners to raise their incomes (andperhaps their quality of life) at the expense of renters.
Origin: Brazil. Price per carat: $2,000.00. Enhancement code-N No evidence of heat or other enhancement. Example. Natural Imperial Topaz. Carat Weight: 14.9ct.
But, remember that color is the #1 factor for determining value of tanzanite and, along with this, price. The current price for richly colored tanzanites in the 3 to 5 carat range is approximately $650 to $700 per carat, with full retail values routinely fetching $1000/ct or more. Other factors determining value and price are cut, clarity, carat weight and recent news related to supply.