CARTIER “secret envelope” pendant in yellow gold and diamonds

Delicate CARTIER "secret envelope" pendant featuring a small envelope in yellow gold, decorated with a heart set with brilliant-cut diamonds. A pull tab allows you to discover a secret message inside the envelope on a thin yellow gold plaque engraved “I love you”. French work, circa 1990. Signed Cartier Paris and numbered. Information regarding the stones: Total diamond weight = 3 diamonds for approximately 0.06 carat. Estimated color: F/G - Estimated purity: VVS2. Dimensions: Pendant width: 1.1 cm. Length of the pendant (without bail): 2 cm. Length of the pendant (with bail): 3 cm. Gross weight: 4.65 gr.