OTi Lab Diamond Tester By PresidiumOTi bt Presidium is developed as a handheld PRESIDIUM DIAMOND VERIFICATION INSTRUMENT to help identify colorless diamonds against CVD HPHT lab grown colorless diamonds, all types of moissanite and all simulants, in a single test. It i suitable for testing on both loose and mounted stones, including jewellery pieces with a closed back setting. Through advanced proprietary technology , OTi measures the thermal conductivity and UV light absorbance

7g / Size Q - Z Approx 4

Durston Tools’ Reversible Combination Ingot Moulds provide adjustable moulding in six sizes of wire

1g / Size K - L: Approx 2

They are machined

Comes standard with Table Clamp

but also ensures consistent

while precision-machined components provide the durability required for years of dependable service

Designed with a compound-lever action that multiplies hand force by 22 to reduce effort when cutting

2g / Size P: Approx 3

Size O Approx Weight 6

tank capacity (l)   6

Size 5 1/2" x 7 3/4" x 1/2"