Kylie Jenner debuted a two-ring diamond stack on her pinky in an Instagram post Wednesday. kylie jenner/ instagram Make it a double for Kylie Jenner. The 28-year-old showed off two massive pear-shaped diamond rings, stacked on her right pinky finger in an Instagram carousel posted Wednesday. Both sparklers are by Lorraine Schwartz and appear to total around 25 carats. Jenner captioned the post “nyc for 24 hrs 🤍” — and she made those hours count, wearing the stack courtside at Madison Square Garden on Tuesday while cheering on the Knicks with boyfriend Timothée Chalamet. Jenner wore the pear-shaped Lorraine Schwartz duo courtside at the Knicks’ playoff game at Madison Square Garden on April 28. JASON SZENES FOR THE NEW YORK POST The Khy founder has been wearing one of the sparklers since at least 2025. kylie jenner/ instagram A crystal-tipped French manicure complemented the massive diamond at Coachella weekend two.…