m m tlie Bubieft, attt>2Mamattie& 
fb* Piamant toft!) all ffjefe perfections to 
toortb $ o. duckets being of one C&iilat: but 
becanfe tbefe perfections ate not often fount), 
and tbatfeto men bnderttand tbemjtbertfore 
3!totllfapthat adamant of gesdneffe ano 
perfection according to tbe common ettmra- 
tfon, being of tbe toaigbt of one Quilatfe 
toortb 40* duckets, and after tbto rate toee 
toiil make our account, and tobetber it bee a 
fmall o? great piamant of tobat toapgbt 
gajdnes m foulenefTe foeuer it map bee i vm 
muff firff confider $ hnoto tobat it toaigbetb, 
9 if tbep cannot tell pou,tbe pon mult geffe bp 
tbe fight thereof, and altoapcseftame it at 
feffe toapgbt then pou think it toeigbetb,tbat 
poumapbalue it toifbin tbe price, and ba* 
uing efffemed tbe toaigbt, kfepe tbat in pour 
anemone, and fap tbus,tf it toerea piamant 
of a Quite toaigbt of tbto toater,and fo per* 
fect,or bad tbe comers leffe then tbefe, or anp 
fouleneffetnrefpectoftbts, and alltbequali* 
ties, o; faultes tobicb a piamant ought to 
baue, confider tobat fucb a Piamant map be 
toortb, being of qualitie like tbat pou toil! c* 
tone, t toeigbing no more but one Quite: 
' tobicb bauing toe! tbougbt and conGdered bp* 
on, eff feme it ratber leffe then more, * bold g 
price in pour metnorp as aforefaid,and tbinke 
bppontbetoaigbttbatitlbouldtoeigb, be it 
much or little, $ double tbe fame toaigbt ad* 
ding as much more bnto it, as if it bee ttoo, 
take otber ttoo,andmu!ttplp them together, 
and fap z .times 2. to foure: if it toepgb 3 ♦ 
muUtplp it tottb tbJfe, and tbep make 9. and 
fo according to tbe number pou find, and fo 
pon fljall multipip all ^Diamonds, in toaigbt, 
of tobat toapgbt foeuer tbep be, ano multipip 
them as 31 fatd before tottb as much agate 
as tbep bee efffemed, and tbe production of 
poor multiplication pou (ball multipip bp tbe 
fumrne of monep pou bate tbe Piamant to 
bee toortb, toepgbing one Quilate, and tbe 
production of the lafi multiplication is the ba* 
lue of the piamant: $ if m tbe toaigbt there 
beanpbalfes,astfittoapgbed z±. Quilate, 
then pou toalleedeeme them info balfe Qui* 
lates, tobieb to s . balfe Quilates, and then 
fap 5- times $.to 2 and that (ball pon mul* 
ttplp toitb the price of the balfe Quilate, as 
pou efffeme it, {and tbe production thereof to 
tbe toortb of fucb a Piamant,and if it chance 
$ tbe piamant toere fo fmal,tbat the toaigbt 
ofagratnctyonlo be therein effeemedttben 
pou muff reduce all the toaigbt into grates, 
and multipip as aiorefaio, and tbat tobicb 
proceeded thereof is tbe toaigbt of fucb a Pi* 
amant.aspoufceketobalueor efffeme. 0s 
for eramplc, there to a Pfamant that toafgh* 
etb 2, Quilates, tohith to of fnch a qualitie, 
thatbeing of one Quilate it toould be toortb 
40. Pockets, ano being of hake a Quilate, 
1 a Puckets, and being of a grate,2. Qm 
ketsanda balfe. $oto toknoto tobat this 
Diamantof 2.Quilates is toortb, pon ffjall 
fap that 2. times 2.1*4. TOs 4. pou ffja! 
multipip toith 40* Puckets, tobicb to the 
halue thereof, being of one Quilate, ft ma* 
keth 160. packets, tobicb is the price of 
that piamant of ttoo Quilates j noto that 
pou baue a piamant of ttoo Quilates and a 
balfe, tobicb to flue balfes, pou ffjall fap fine 
times flue to z$, tbto 25. multiplped bp 1 o. 
itmaketb 2fo. duckets, becanfe tbe balfe 
Quilate coft 1 o. duckets, tobicb is after tbe 
rate of 40. duckets the Quilate,tbcn tbe pi* 
amant of 2, Quilates and a balfe amounteth 
to 2fo« duckets. $oto if a piamant toeigb* 
ed 7 . graines, pou (hall fap 7. times 7.to 49, 
tobicb 49 - pou muff multipip bp tbe fia* 
lue of a grate, tobicb is ttoo duckets and a 
balfe: fo a Piamant of7. graines to 127. 
duckets. 3ln tbto manner pou map altoaies 
knoto tobat a piamant is too?tb,bauing ra* 
ted the price of one Quilate: tbe toaigbt of 
tbe piamant pon toill effeeme being thus 
knotone,as bp erample to lbetoed,and fo pon 
map the eafilier make pour account. SHbere 
are fome piamants that are faultie and bn* 
perfect, and are not toortb 40. duckets, but 
of a leffe price according to tbefauites, and 
map be toortb 3 5.3 r* 3 4 <f 3o*unckets,or a- 
up lotoer price,as tbe faultes are efffemed, f 
intbatcafeitisberp troublcfome to knotoe 
tobat half aQuilat or grain (bould be toortb: 
toberin pou muff do tbus:tobe pou baue efffe 
med tobat a Quilat of fucb a piamant map 
be toortb,! that in p tocigbt thereof there fal* 
letbout a balfe Quite 0? grain, then pon 
muff firff knotoe tobat balue ittooulde bee 
toortb being of one Quilate, and then mahe 
pour account £ the fourth part of fucb a price 
to tbe balue of balfe a Quilate, fo that tobeti 
a Quilate to toortb 40. duckets, a balfe Quw 
late is ten duckets, and one grapne ttoo due* 
kefs and a balfe for foure graines isaQui* 
late, if tbe Quilate be 3 6. duckets, tbebalfe 
Quilate is 9. duckets, and one grate ttoo 
duckets and one Pefton, andfo after tbat 
rate map pou knoto p price of all Diamante, 
of tobat qualitie foeuer tbep bee. Pbelike 
reckening is made toif btbinne Piamantes, 
Rubies, and ©mcraldes, tbat is made toitb 
tbofe tobicb are of greater price, as 3 (ball 
hereafter tbeto pou. pan muff bnderffand 
tbat a Kubie bee of fucb a quantise, that it 
map accompanp a Piamant of one Qmtee 
it Is toortb 70. duckets, or that there be anp 
tobicb in toeigbt doe accompanp a piamant 
of balfe a -Quilate or grapne, then pou muff 
make pour account bp balfe Quilates, or 
grapnes, and pou muff altoapcs knotoe the 
' pm 
