18k White Gold or Platinum Necklace with Lab-Grown Diamond Heart

18-carat white gold or 950 platinum necklace with an ethical laboratory heart-shaped e,vs diamond that you can adjust in size, the stone is set in 5 fine points and the chain passes through a fine pendant so that the diamond always remains at the bottom, this is a way of joining the pendant with the chain that tends to be quite pleasing to those who wear it as it is more comfortable and practical.