"Diamond-K" (Lubavitch of Massachusetts)Diamond-K
Massachusetts, USA
🛒 Look for this symbol on packaging
🏅 Widely recognized endorsed by 3 major authorities
CORKosher AustraliacRc
Recognized for products it actually certifies
Listed under USA on the KA reliable-agencies list.
How to use this safely: a listing here is not an endorsement. Only trust an authority if one you (or your community) already follow recognizes it — see the “endorsed by” tags above. Standards vary by community and by individual ruling, so always confirm with your rav.