The delightful numerology studs are set in 18kt yellow gold and adorned with white sapphires and are sold as a single stud.
To find your special numerology you will need to add your date of birth for the date, month and year separately till you achieve a single digit.
For example if you are born on the 18th of November 1991 your numerology calculation is as follows 1+8=9 (date), 1+1=2 (month) and 1+9+9+1=20==> 2+0=2 (year). You will need to add 9+2+2=13==> 1+3=4.
The studs are hallmarked by the London Assay Office according to the 1973 UK Hallmarking Act.