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.
10 Really Expensive Gemstones: From Tanzanite To Pink Star Diamond. # 1 10 Tanzanite: $600 â $1,000 per carat. # 2 9 Taaffeite: $1,500 â $2,500 per carat. # 3 8 Black Opal: $2,355 per carat. # 4 7 Benitoite: $3,000 â $4,000 per carat. # 5 6 Red Beryl: $10,000 per carat. # 6 5 Alexandrite: $12,000 per carat. # 7 4 Jadeite: $20,000 per carat.