Milo Ventimiglia bought Hayden Panettiere a ring!!

This just in from Heroes hottie has bought his rumored girlfriend a pricey new ring, the new issue of In Touch Weekly is reporting.

Not just any ring, sweetie.

A ring from Tiffany & Co.!

According to an insider, Milo, 30, gave Hayden an 18-karat yellow-gold ring - worth $1,950 - from the famed jewelers as a belated birthday present, since she turned 18 in late August.

The ring, called Somerset Heart, features a woven band and a heart, and according to the insider, is inscribed, “Sweet like Hayden.”

Wow...does that just sound like a friendship ring or something more???