carat - diamond, calorie - ?

FOOD
WordClue
GEMdiamond or sapphire
HEATwarmth, calorie
UNITcarat or gallon
CARATfood - calorie, diamond - ?
CORPSmilitary unit size
CURIEnon-SI unit of radioactivity
FARADunit of capacitance
HERTZSI unit for frequency
JEWELdiamond or sapphire
MONTHunit of time dividing the year
OUNCEunit of mass
PENNYunit of currency in various countries
QUARTunit of volume
ZOBELdiamond
WARMTHheat, calorie
CALORIEdiamond - carat, food - ?
DIAMONDcalorie - food, carat - ?
DIOPTREdiamond - carat, glasses - ?
GLASSEScarat - diamond, dioptre - ?
RHINESTONEartificial diamond, strass
EMPERORCaracalla or Nero
GLASSEScarat - diamond, dioptre - ?