1930's 5 Stone Half Hoop Diamond Ring Size:8 It's exquisitely worked

It's exquisitely worked

Remarkable

Here's the breakdown:

Converted from a pin

I just googled "anatomy of a key" and it was somewhat illuminating - I would have only hit on one of those three descriptors

1930's 5 Stone Half Hoop Diamond Ring Size:8 It's exquisitely workedDATE: Art Deco, c. 1930 A rare and show stopping (larger scale) five stone diamond platinum ring, 5. 7ct total and dating from the Art Deco period, circa 1930. With hand chased gallery and shoulders, typical of the 1930's. STONES Central 1. 3ct Old Mine Cut Diamond K L colour, SI I 2 clarity Two 1ct Old Mine Cut Diamonds K L colour, SI I 2 clarity Two . 80ct Old Mine Cut Diamonds K L colour, SI I 2 clarity Total 5. 7ct (Eye clean lively and sparkly