Antique Art Nouveau Religious Pendant With Diamonds Platinum 18K Yellow Gold. This is a beautiful rare Art Nouveau pendant c. 1920. The pendant depicts the Virgin Mary and baby Jesus in detailed high relief. The pendant has a halo of 33 rose cut diamonds. The diamonds average I color SI-1 clarity with a total weight of .33 carats. The diamonds are set in platinum with the rest of the pendant set in yellow gold. The pendant is in great condition. Three of the rose cut diamonds have been replaced. The pendant measures 28 mm high x 20 mm wide. Weight 2.7 grams.