 | The popularity of pink sapphire is likely related to the fascination with pink diamonds. Pink diamonds are one of the rarest and most expensive of all gemstones, unobtainable for most except the extremely wealthy. Pink sapphire is a more affordable alternative, though still rare and hardly inexpensive. Pink sapphire has grown in popularity as an engagement ring. |  |
 | Sapphire in the lighter colors tends to have more brilliance, luster and fire. Sapphire has positive connotations, such as faithfulness and sincerity. Sapphire also has superior hardness - 9 on the Mohs scale. Blue is the classic sapphire color, but fine quality pink sapphire is actually rarer. Pink sapphire in large sizes is hard to find. |  |
 | In general, pink sapphire is more valuable than the other colors of fancy sapphire, such as yellow, green and violet. Like ruby, pink sapphire is colored by the trace element chromium. The clearer and more vivid the color, the more valuable the sapphire. Pink sapphire is usually heated to improve its clarity.  |  |
