16mm in diameter 6studs 5stud clips in a 75mm case with logo goldsmiths and silversmiths assn 270 Regent St. & 249 oxford St. W on inside of case
Thank you for contacting Mearto with your appraisal inquiry.
This is a lovely example of an Edwardian Gentleman's stud set, it looks to be in immaculate condition with the bonus of the studs being in their original box.
From the images provided, I would say it's mother of pearl however I am unable to tell if the centre stones are diamonds or paste so I will provide two valuations for you. If this suite is gold and diamond, I believe this set would achieve around £400-£600, however if it is gold plated and with paste stones believe this ring could achieve within the estimate listed (£80-£120), however, there is no measurement for the sentimental value you might attach to the set.
Do let me know if you have any additional questions. Many thanks!