This is a 14k white gold pendant with diamond bail. The design is a simple heart with two rows of diamonds in shared prong setting. Simple and elegant.
(It's just a pendant, not include a necklace.)
| Carat | 0.448ct | 
| Clarity | VS | 
| Color | F-G | 
| Diamond | 69p | 
| Gold | 14k, 1.63g |