Perfect Fit Guarantee

60-Day Risk-Free Returns

Free Shipping

Lifetime Warranty

  • Comfort Fit

    The interior is domed and polished for all-day wearability. Engineered to sit flush against the finger without pinching or shifting.

  • Extreme Hardness

    Tungsten carbide ranks 9–9.5 on the Mohs scale — second only to diamond. It holds its shape and finish under daily wear without deforming.

  • Scratch-Resistant

    The surface resists scratches that would mark gold or silver. Your ring looks the same on year five as it did on day one.

Why choose Massimo Aurelio?

Free Size Exchange

If your ring doesn't fit, we'll exchange it for the correct size at no cost. One exchange per order, within 60 days of delivery.

Easy Return Policy

Didn't love it? No worries! Unworn rings in original condition may be returned within 60 days of delivery for a full refund. Custom or engraved pieces are final sale.

Lifetime Warranty

Every ring is covered by a lifetime warranty against manufacturing defects. Tungsten carbide does not bend or deform — if it does, we replace it.

Ring Size Guide

US Size 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5
MM 43.9 45.2 46.5 47.8 49.0 50.3 51.6 52.9 54.2 55.5 56.9 58.1
US Size 9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5
MM 59.4 60.7 62.0 63.3 64.4 65.9 67.2 68.5 69.8 71.1 72.4 73.7

Not sure of your size? Wrap a strip of paper or string around your finger, mark where it overlaps, then measure the length in millimeters and match it to the closest size above. If you're between sizes, size up.