Almost all Precious Gems worldwide are enhanced by heat or other methods. Just like cutting a stone makes it look better. Heating it makes it look better. Diamond and Gem-stone carat weights represent the approximate total weight (T.W.) of all Diamonds and Gems in each setting and may vary slightly under or over the stated weight. Typographic errors are subject to correction. Merchandise enlarged to show detail and may not always be exactly as pictured due to different screens and settings. Usually the Jewelry looks more Beautiful in person.