New Delhi, June 11 -- Kate Middleton has quietly stopped wearing her iconic sapphire engagement ring. There's a lot of history involved around the ring. It was originally purchased by Prince Charles for Princess Diana. In 1981. It was valued at £28,000. Now, it is worth £300,000 ( Rs.3.5 crore) or more.

Instead, she now sports a stack of eternity rings. According to Jewellery experts at Steven Stone, the rings are worth around £10,000 ( Rs.11.5 lakh).

"Kate's choice of rings suggests that she values subtlety and meaning over grandeur, while still maintaining an air of elegance and sophistication," Maxwell Stone told MailOnline.

"Though her engagement ring has been seen less frequently, her continued display of commitment...