Vintage Natural Jade, Diamond and Sapphire Ring at Lang Antiques. A splendid, rich and even-colored, deep, bright-green and translucent natural cabochon jade, measuring ½ inch long by just over 3/8 inch wide, is dramatically presented in this stunning vintage ring circa 1930s. This colorful high-quality jewel is elegantly and expertly handcrafted in platinum and 18 carat yellow gold and sparkles on each shoulder with a royal-blue sapphire baguette set perpendicular to a sparkling old-cut pear-sh