After blue sapphires, yellow sapphires are the most sought after color in today’s sapphire market. Many yellow sapphires closely resemble yellow diamonds. Yellow sapphires can range in color from greenish yellow and orangish yellow, to every color in between. The preferred yellow sapphire color is a medium, vibrant canary yellow. A deep, somewhat orange or brownish yellow, reminiscent of a whisky color, is highly valued in some Asian markets. Yellow sapphires are found in Tanzania, Madagascar, Thailand and Australia, although Sri Lanka is the primary source.