May Birthstone Charm · Lab-Grown Emerald in 14K Yellow Gold

This is a solid 14K yellow gold charm set with a 4mm round lab-grown emerald, May’s birthstone, in a polished bezel. It is sold as a charm; the chain is not included.

The piece

• Metal: Solid 14K yellow gold, never plated or filled
• Stone: 4mm round lab-grown emerald (lab-grown: the same chemistry and crystal structure as the mined stone)
• Setting: Bezel
• Size: About 14.5 x 4.8 mm
• Bail opening: 4.2 x 2.8 mm
• Chain: Not included
• Made: In the USA
• Returns: Eligible under our return policy (stock design, never engraved or sized)

The stone

Emerald is green beryl colored by chromium or vanadium. It was mined in Egypt in antiquity and later prized from Colombia, which still produces some of the finest emeralds in the world. More in our gemologist’s guide to the twelve birthstones.

A gemologist’s note

Natural emeralds are almost always treated with oil or resin to hide internal fractures. A lab-grown emerald has the same chemistry and color but typically needs no filling, which makes it the more practical choice for a piece worn every day.

Care

Emerald is 7.5 to 8 on the hardness scale but can be brittle. Clean with warm water and mild soap only; avoid ultrasonic cleaners and steam.