Studs are measured across the face, hoops by their inner diameter, and drops from the top of the post to the lowest point of the piece. Where a measurement is published for a style it appears in the specification above. For a sense of scale: a six or seven millimeter stud is the everyday size most people reach for, and a hoop past forty millimeters is a decision you have made for the evening. More in our Size & Fit Guide.

Yes. Our gold pieces are genuine 10K or 14K gold, and our silver pieces are 925 sterling silver. Some sterling silver pieces are gold-plated or rhodium-plated, and a small number combine sterling silver with 18K gold. The metal and karat are stated on every product page, which also says so where a piece is plated. All pieces are stamped with the corresponding metal marking.

In time, yes. Silver reacts with sulfur present in ordinary air, and the darkening that follows is chemistry rather than a fault or a defect. A soft dry cloth lifts it. Storing the piece in a closed pouch away from humidity slows it down, and rhodium plating, where a piece carries it, slows it further still.

Yes. Every Sana Jewels piece is covered against manufacturing defects from the date of delivery, and a missing stone is replaced free under the same warranty. It is valid in the USA only, and any repair performed by another jeweler will void it. The full terms, including the coverage period and the limits on stone size, are in our Return & Refund Policy.