Hoping to add some stackable jewelry that’s simple, good quality, and unique to your collection? We know that can be hard to find. That’s why we’ve partnered with the sustainable, handcrafted jewelry brand Amer New York to give Refinery29 readers an exclusive deal. Now through August 10, shop all of Amer New York’s ethically sourced gemstones and solid 14k gold pieces for 25% off with the promo code AMERxR29. From moonstone rings and necklaces to diamond earrings and rings, keep reading to see which obsession-worthy pieces are calling you to add to cart before this supersale ends.