A colorful take on the classic stud. Our Sparrow Studs feature two brilliantly hued gemstones of choice, haloed among sparkling Diamonds. One of our most delicate pieces, this subtle pop of color styles beautifully with a casual look. 18k Yellow Gold Aquamarine (12x8mm) or Kyanite (12x8mm) Diamonds (.48 cts) Polished Finish All stones are unique and reflect beautiful variations.