Questions, answered

Every piece is made by hand after you order, so it takes one to two weeks to make, plus shipping. If you need it by a certain date, email us and we’ll do our best.

Each product lets you choose your diamond size in carats, and the necklace lets you choose a chain length (16", 18", or 20"). Not sure? Contact us before you order and we’ll help you pick.

Yes. Every Trestana diamond is a real, lab-grown diamond — the same brilliance, fire, and hardness as a mined stone, created ethically and responsibly.

Solid yellow gold, white gold, and platinum.

Free insured shipping on every order. You’ll receive tracking as soon as your piece is finished.

Because each piece is made to order, please choose your size and metal carefully. We’ll always make it right if something arrives not as described — reach out within 14 days.

Keep your jewelry away from harsh chemicals and store it in the pouch provided. We offer complimentary cleaning and re-polishing for life.

Right now we make two: the marquise diamond necklace and the pear diamond earrings. Two pieces, done properly.