Diamonds & Jewelry 101
October Birthstone Gift Guide
Find the perfect opal jewelry to celebrate an October birthday with help from our guide.
Elizabeth Hadden
October 10, 2025
Find the perfect opal jewelry to celebrate an October birthday with help from our guide.
Easily design custom jewelry with the Blue Nile personalized gemstones collection. Learn more about the collection, birthstone symbolism and how to order.
See what makes sapphire the perfect birthday gift with our September birthstone gift guide.
Discover what makes peridot jewelry the perfect August birthday gift and find tips for picking the right style.
Learn more about July’s birthstone, ruby, and find gift inspiration to celebrate a July birthday.
Celebrate a special accomplishment, a new beginning and a bright future with fine jewelry.
Blue isn’t the only shade for sapphires. Choose from a wide array of sapphire colors including pink, purple, yellow, white and even green.
Diamond grading reports from GIA and IGI are popular for assessing a gem’s qualities. Read our blog to find out how these diamond grading programs work.
From Ancient Egypt to modern day royalty, gemstone jewelry has always been fashionable. Learn more about how to wear the gemstone jewelry trend.
Discover the perfect gemstone among these popular natural diamond alternatives.
