Support
Frequently Asked Questions
Sizing, shipping, waterproof care, and everything else you might want to know before (or after) you order.
Sizing & fit
Ring Size Chart
| US size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 4 | 14.9 | 46.8 |
| 5 | 15.7 | 49.3 |
| 6 | 16.5 | 51.9 |
| 7 | 17.3 | 54.4 |
| 8 | 18.1 | 56.9 |
| 9 | 18.9 | 59.5 |
| 10 | 19.8 | 62.1 |
Standard US ring sizing. Between two sizes? We'd size up for comfort.
How to Measure at Home
- 1Wrap a strip of paper or string around your finger, mark where it overlaps, then measure the length in millimeters.
- 2Match that measurement to the “Circumference” column to find your size.
- 3Measure at the end of the day, when fingers are at their largest.
Common questions
Shipping, returns & more
How long does shipping take?
Orders ship within 1–2 business days. Delivery takes another 5–8 business days from there, and you’ll get tracking the moment it ships.
What’s your return policy?
We accept returns or exchanges within 30 days of delivery for unworn items in original packaging, and cover return shipping. Items marked Final Sale, returned after 30 days, or showing signs of wear can’t be returned or exchanged, and gift cards aren’t returnable.
Is Ari Mare jewelry really waterproof?
Yes! Every piece is waterproof and tarnish-free, tested for daily wear, showers, pools and salt water. No more taking it off for beach days or boat days.
What is the Meaning of Mare?
Select pieces donate 20% of every sale to charity: the Tessie Necklace to the Dementia Society of America, and the Alexis Necklace and Alexis Cross Earring to MUSC Shawn Jenkins Children’s Hospital. See the Meaning of Mare page for the full story.
Do you offer gift cards?
Yes. Digital gift cards are available in $10, $20, $50, and $100, delivered by email and redeemable for anything in our collection.
What is Ari Mare jewelry made of?
304 or 316L stainless steel with 18kt gold plating or 18kt PVD over stainless steel, built to resist tarnish and water damage.


