High terpene full spectrum extracts, commonly known as terp sauce, are cannabis concentrates. They still contain the terpenes as well as other canabanoids such as THCa and CBD.
Within cannabis THC and CBD are only 2 of the many active cannabinoids. Many of the other terpenes are responsible for the flavours. Also the effects we associate with cannabis.
What are Diamonds and Sauce?
Diamonds are crystalline THCa structures that form either during full spectrum extraction or they can be refined on their own removing all other impurities.
Diamonds in Sauce are THCa crystals with a high terpenes concentrate sauce.