स्थूलं गुरु प्रहारसहं समकोटिकं भाजनलेखि तर्कुभ्रामि भ्राजिष्णु च प्रशस्तम् ॥ कZ_०२.११.४० ॥
sthūlaṃ guru prahārasahaṃ samakoṭikaṃ bhājanalekhi tarkubhrāmi bhrājiṣṇu ca praśastam
Kapuri-puri ang (mga) diyamante na: malaki, mabigat, kayang tumagal sa hampas, pantay ang mga gilid, kayang kumaskas sa sisidlan, kayang magpaikot sa suliran/paikot (whorl), at makinang.
To give officials operational criteria for acceptance, valuation, and dispute resolution, reducing arbitrary judgments and corruption opportunities.
They serve as practical field assays for hardness and workmanship/shape, usable without advanced instruments.