November birthdays get two birthstones: topaz and citrine. Here’s how to choose between them, from color and setting to everyday care, with pieces you can see in our Burlington store.

Tourmaline shares October birthstone status with opal and comes in one of the widest color ranges of any gem. Here is what to know about its varieties, history, durability and care.

Lab-grown and natural diamonds are both diamonds, with the same chemical, physical and optical properties. Here is how each one forms, how gem labs tell them apart, and what to weigh when choosing between them.