Kim Kardashian once famously sobbed over losing a diamond earring in the ocean on "KUWTK" -- but this time, it looks like she’s dropped something way more valuable into the water ... Lewis Hamilton . Check out these pics -- Kim was right there with the F1 champ in the Malibu waters Monday ... locking lips, getting cozy, and judging by that grin, looking fully smitten! Kim kept it beachy in a rolled-down wetsuit and bikini top -- showing off those signature curves -- while Lewis stayed hands-on