There will be total lunar eclipses on December 21 (2010), June 15 (2011), and December 10 (2011). Solar Eclipses (shadow of the Moon partially or fully blocking the Sun) can occur two to five times a year, but the majority are partial eclipses. Total eclipses occur about once every 18 months, and affect a very limited area. The maximum coverage of the solar disk lasts between 6 and 7.5 minutes.
1 Quarter carat or less diamond, $125 to $500 set in 14 carat gold. 2  0.3 to half carat diamond, $750 to $1,000 set in 18 carat gold or platinum, possibly more if ASG/GIA certified.  For diamonds up to 0.75 carat, or smaller ASG/GIA certified stones, $1,000-$2,000.
Diamond prices typically increase at a higher rate from one weight / price bracket to the next. For example, price per carat for diamonds in the size bracket 1.00â1.49 carats could be $8,000, while price per carat in the bracket 1.49â1.99 carats can jump to $11,000.In a graph below you can see how fast the price per carat jumps with diamond weight moving from one carat weight bracket to another.ecause of this fact, you may occasionally hear some jewelers referring to a 1-carat diamond a âfour grainer,â which means in the past 1 carat was equal to four grains of rice. The weight of smaller diamonds is often expressed as points, not carats. One carat is equal to 100 points.