Beautiful, soft, dramatic patterned sweater

This medium sized sweater is butter soft with an unusual floral and waterfall pattern. It is made of 80% viscose, 15% nylon and5% spandex. The sleeves have a nice tapering width, with ribbed cuffs. The multi colored pattern is a lovely floral on top of jagged, waterfall like drip into a black waistline and lower arm. I can't quite make out the brand - it is not the plain Cyrus knits. The open boat neckline is very flattering and has narrow ribbing. It was bought at a designer sale and has not been worn.