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.
The golden color known as honey zircon tends to be less expensive, as does the red zircon from Africa. Red zircon typically ranges in price from $75 to $125 per carat, while the honey zircon sells for $50 to $100 per carat.Exceptional colors or very large sizes will be more.hite zircon, once sold as a diamond substitute in the days before synthetics like moissanite, is still quite inexpensive at about $35 to $50 per carat. It is one of the most brilliant of all colorless gemstones.