Other characteristics also influence the value and appearance of a gem diamond. These include physical characteristics such as the presence of fluorescence as well as the diamond's source and which gemological institute evaluated the diamond. Cleanliness also dramatically affects a diamond's beauty.
Colorless diamonds have no problem looking spectacular when set as solitaire stones in a platinum or gold setting, with or without sides tones, but colorless diamonds can have other purposes as well. The clear, brilliant stone is the perfect gem for accenting colored gemstones with rich colors. This can be done through the popular and mesmerizing halo design, or by lining and framing the setting of various gemstone jewelry pieces. When on a strict budget, the main stone can be a colorless diamond with the accenting stones a mix of different gemstones. This brings some color to the piece without having to pay exorbitant prices.
A gemstone’s ability to be fashioned, mounted and worn is a function of how durable it is – a matter of both hardness and toughness. Some gemstones, such as sapphire, ruby and garnet, are well-suited to an active daily life and work well in rings, bracelets or cufflinks. Others, such as emeralds, pearls and opals call for earring or necklace mountings to keep them beautifully displayed but out of harm’s way.