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.
Back in the late 90's we saw prices as low as $200 per carat. In the early 2000's, this value had grown to between $600 and $800 per carat! Quite a range! I would say that for those of you who are considering a tanzanite purchase, now is the time!