Solid 18K Gold Star Cut Blue Topaz Ladies Ring Size 5.75 US

Solid 18K Gold Star Cut Blue Topaz Ladies Ring
Size 5.75 US

Previously owned, in fine condition.

From my 93 year old mother's collection of rare & vintage fine jewelry.

Stunning star cut blue topaz gemstone & solid 18k gold statement ladies ring.

Marked: K18
(also marked 504 pic 10)
Hallmark: Yes, Unidentified hallmark (pic 8 & 9)

Height above finger: 9.0mm
Total Wt: 6.1 grams

There are a few pieces in my mother's collection with the this same hallmark. Any help in identifying would be appreciated.

Please view all pictures closely as they are part of the description.

Thanks for viewing !
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