Vintage Hallmarked 10K Solid Yellow Gold Bracelet 21 Diamonds Bangle Cuff 40-80s

Vintage 1940's to 1980's 21 diamonds and hallmarked 10K solid gold bangle bracelet with latch by JDS or JOS. You can pull it apart enough to allow for a 7.5 inch inside circumference when closed. 2 3/4 inch diameter when latched. There are 18 × .03 carat to .05 carat diamonds and 3 × .07 carat diamonds. This was given to me. It belonged to my great aunt. It was hers; so I can comfortably give an age range on the piece. I wore it layered as seen in one of the photos. I will be listing the other two bracelets soon.