Revolution Brighton tickets and events FIXR Jennifer Behr Alva Earrings. A fresh take on the classic vintage button earring, the Alva Earrings are a marriage of 1980s costume jewelry and fine jewelry techniques and materials. These oversized studs feature onyx, malachite, or crystal pearl cabochon stones, in an 18 karat gold plated halo. Crafted by hand in New York, the halo has a raised bezel towards the center, to draw the eye in and further emphasize the beauty of each stone. Dimensions: 1 1 4in x 1 1 4in