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 per carat and rise according to size and color. In sizes greater than 1 carat, clean beryllium-treated green sapphire is priced at around $75 per carat, and yellow and red-orange pieces at around $100 to $120 per carat. We've noticed that the prices for beryllium-treated sapphire have been rising significantly over recent years.