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.
2. Natural black diamonds are quite affordable, but obviously it depends on the size sought after. Heated black diamonds are less expensive and the demand is quite low as most prefer the real thing. In general, the prices run from around $300 per carat.