Sign up an account with us and offset $10 on your FIRST purchase

Refer-a-friend today and get rewarded!! Get SGD30 store credit for every successful referral.

Receive SGD50 voucher on your birthday month when you sign up an account with us!

For example: Scales, Engravers, Testers

OTi by Presidium Interest Registration

Dear respondent,

Thank you for registering your interest with us! Get ready to discover diamond verification like never before with OTi by Presidium.  Be on the lookout for exciting updates in your inbox.

Thank you.

Presidium Instruments Marketing