<http://schema.org/description>
"Certified round diamond, 1 x 3.00 Ct, of high quality  18 Kt white gold   Measurements: Height pendant: 6.50 mm Length pendant: 14.90 mm  Length necklace: 40.00 cm Weight pendant: 2.10 g Total weight: 4.20 g"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.baunat.com/en/necklaces/diamond-pendants/3-00-carat-white-golden-solitaire-pendant-with-round-diamond>