Slane sample sale

48 W 25th St between Broadway and Sixth Ave, 11th floor. Subway: 1 to 23rd St. For just one day, score up to 75 percent off fine jewelry. Pearl bracelets are chipped from $875 to $438, pavé diamond rings are halved from $1,600 to $800, and 18-karat gold medallion pendants are $550 (from $1,100).