diamond yellow-gold “Philippine” rings signed Van Cleef & Arpels Trilogy of “Philippine” model rings in yellow gold centered with diamonds and each set with mother-of-pearl, chrysoprase and lapis lazuli respectively. Signed Van Cleef & Arpels N.Y. and numbered. Ring with mother-of-pearl: N° 5V 308.185. Size: 49. Weight: 5.9 g. Ring with chrysoprase: N° 5V 308.186. Size: 49. Weight: 5.9 g Ring with lapis lazuli: N° 5V 308.155. Size: 49. Weight: 5.9 g AC