Apparel & Accessories > Jewelry > Earrings Jewelry > Earrings in stock Mateo Somewhere Over The Rainbow Earrings in Yellow Gold/Rainbow Sapphire/Green Amethyst, No Size: Ready to ship in 2-4 weeks. Mateo founder Matthew Harris brings a certain genius to modern jewelry design (you might even say he’s a wiz).The proof? These drop earrings are whimsical and classic all at once: Princess-cut diamonds and vibrant rainbow sapphires drip down from each lobe, with pale-green emerald-cut amethysts to finish. We’re head-over-ruby-heels in love.14k yellow gold, princess cut diamonds.