Definition of nebula for English Language Learners. : 1  a cloud of gas or dust in space that can sometimes be seen at night. : 2  a group of stars that are very far away and look like a bright cloud at night.
That could be one reason the national average spent on an engagement ring, as well as diamond carat size, or weight, have been rising. The average spent on an engagement ring grew 3% to $5,598 last year from a year earlier, according to TheKnot. That's still down from 2009's average of $5,861, however. The average carat size for the center stone is just over 1 carat. The average total carat size for engagement rings, including any diamonds on the setting, is 2 carats, Miles said. 3. Weigh payment options.
1 On the other hand, a custom-made engagement ring made with a 14K Yellow Gold, the cost ranges from $3,150 to $3,500. 2  Rings made with 18K White Gold ranges from $3,2.. to $3,700. 3  If a ring is made with an 18K Yellow gold material, expect that the range of cost will be $3,248 to $3,600. If that ring needed to be altered, the labor alone could range anywhere from $300 to as much as $2,000 depending on the amount of work that needs to be done. 2  For each carat of a custom engagement ring, plan on spending at least $6,000.