Alexis Bittar Anemone Lucite Brooch

Floral lucite brooch from designer Alexis Bittar. Measuring approximately 2.5” in diameter, it is silver-grey ombré carved lucite, with a center of black pearls and faceted stones (garnets?) in gold plated/filled setting. Purchased at Holt Renfrew 15-20 years ago. Minor wear on back (shown), otherwise in mint condition.