These gemstone studs from the Metalsmiths Sterling Signature Collection measure 7mm across.
Available in 3.00 ct citrine (pictured), 3.00 ct amethyst (violet), 3.00 ct green quartz (mossy green), 3.00 ct smoky quartz (chocolate brown), 4.00 ct blue topaz (sky blue) and 4.40 ct cubic (classic sparkling).
Sterling silver, hypo-allergenic and nickel-free.