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.
Prices for faceted sapphire start at about $20-30 per carat and rise according to size and color. In sizes greater than 1 carat, clean beryllium-treated green sapphire is usually priced at around $75-100 per carat, and yellow and red-orange pieces at around $100-150 per carat.