Classification of precious and semi-precious stones

Law of Ukraine No. 637/97-ВР "On state regulation of the extraction, production and use of precious metals and precious stones and control over operations with them."

This law establishes the following definition of precious stones - natural and artificial (synthetic) minerals in raw materials, unprocessed and processed form (products).

Gems are divided into 4 orders:

precious stones of the first (I) order - diamond, ruby, blue sapphire, emerald, alexandrite;
precious stones of the second (II) order - demantoid, euclase, jadeite (imperial), pink and yellow sapphire, black noble opal, noble spinel;
precious stones of the third (III) order - aquamarine, beryl, cordierite, noble white and fire opal, tanzanite, pink topaz, tourmaline, chrysoberyl, chrysolite, tsavorite, zircon, spinel;
precious stones of the fourth (IV) order - adularia, axinite, almandine, amethyst, hessonite, grossular, danburite, dioptase, smoky quartz, pink quartz, clinohumite, mountain crystal, kunzite, morion, pyrope, rhodolite, scapolite, spessartine, spodumene, topaz blue, wine and colorless, phenakite, feroorthoclase, chrysoprase, chrome diopside, citrine.

Precious stones of organogenic formation - pearls and amber in raw, unprocessed and processed form;

Semiprecious stones - natural and artificial (synthetic) minerals, organogenic formations and rocks in raw materials, unprocessed and processed form (products).

semi-precious stones of the first (I) order - turquoise, jadeite, lapis lazuli, malachite, moldavite, jade, tiger's and cat's eyes, howlite, chrysocola, zoisite, charoite;
semi-precious stones of the second (II) order - agate, amazonite, jet, hematite, petrified wood, jaspilite, aegirine, epidosite, cacholong, colored quartzite, colored flint, marble onyx, opal, pegmatite, pyrophyllite, rhodonite, carnelian, serpentinite, skarns , sodalite, chalcedony, iridescent field spars, jasper.

The law also defines that precious metals are gold, silver, platinum and platinum group metals (palladium, iridium, rhodium, osmium, ruthenium) in any form and condition (raw materials, alloys, semi-finished products, industrial products, chemical compounds, products, waste, scrap, etc.).

Gemological expertise

Service (for 1 sample)	Deadlines	Price without VAT*
Gemological expertise	from 1 hour	from 33 USD
Tariff "Just look"	up to 30 minutes	33 USD
DIAGNOSTICS AND EVALUATION (identification, classification, preliminary evaluation) and determination of quality characteristics (Cut, Carat, Clarity, Color)		for 1 pcs.
Diamonds
up to 1ct	up to 2 days	136 USD
1 to 2ct	up to 2 days	204 USD
from 2 to 25 ct	up to 5 days	x2-x24
from 25 to 40 ct	up to 5 days	x25-x40
from 40ct	up to 11 days	x40
without issuing a certificate	up to 2 days	x0.5
Emeralds, rubies, sapphires, alexandrites
up to 2ct	up to 2 days	63 USD
from 2 to 5ct	up to 2 days	125 USD
from 5 to 20ct	up to 5 days	186 USD
from 20ct	up to 11 days	249 USD
without issuing a certificate	up to 2 days	x0.5
Other precious stones (II-IV order)
up to 20ct	up to 2 days	63 USD
from 20 to 50 ct	up to 2 days	125 USD
from 50ct	up to 2 days	186 USD
without issuing a certificate	up to 2 days	x0.5
Gemstones of organogenic formation (amber, pearl, coral, bone)
up to 100 g	up to 2 days	63 USD
from 100 g to 500 g	up to 2 days	125 USD
from 500 g to 1.00 kg	up to 5 days	186 USD
from 1.00 kg	up to 11 days	249 USD
without issuing a certificate	up to 2 days	x0.5
semi-precious stones
up to 1.00 kg	up to 2 days	63 USD
from 1.00 kg	up to 5 days	219 USD
without issuing a certificate	up to 2 days	x0.5
decorative stones
up to 5.00 kg	up to 2 days	63 USD
from 5.00 kg	up to 5 days	186 USD
without issuing a certificate	up to 2 days	x0.5
EVALUATION of the cost of stones (without diagnostics)		for 1 pcs.
diamonds
up to 1ct	up to 1 hour	63 USD
from 1ct	up to 2 hours	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
Emeralds, rubies, sapphires, alexandrites
up to 2ct	up to 1 hour	33 USD
from 2ct	up to 2 days	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
Other precious stones (II-IV order)
up to 20ct	up to 1 hour	33 USD
from 20ct	up to 2 days	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
Gemstones of organogenic formation (amber, pearl, coral, bone)
up to 100 g	up to 1 hour	33 USD
from 100 g	up to 2 days	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
semi-precious stones
up to 1.00 kg	up to 1 hour	33 USD
from 1.00 kg	up to 2 days	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
decorative stones
up to 5.00 kg	up to 1 hour	33 USD
from 5.00 kg	up to 2 days	x0.5 diag.
without issuing a certificate	up to 1 hour	x0.5
Attestation and certification of stones (including diagnostics, characterization and issuance of a conclusion)		for 1 pcs.
diamonds up to 1 ct (TU U 36.2-21587162.001)	up to 2 days	136 USD
precious stones of the 1st order up to 2 ct (TU U 36.2-21587162.002)	up to 2 days	63 USD
precious stones II-IV order up to 20 ct (TU U 36.2-21587162.003)	up to 2 days	63 USD
International certification		for 1 pcs.
diamonds 0.3-1.0 ct	up to 21 days	204 USD
diamonds 1.0-2.0 ct	up to 21 days	278 USD
diamonds 2.0-3.0 ct	up to 21 days	350 USD
diamonds from 3.0 ct	up to 21 days	425 USD
Amber expertise		for 1 pcs.
Diagnostics and examination of amber (burshtin, amber)	up to 2 days	from 63 USD
Amber evaluation (burshtinu, amber)	up to 2 days	from 33 USD
Pearl Expertise		for 1 pcs.
Diagnosis and examination of pearls	up to 2 days	from 63 USD
Pearl grade	up to 2 days	from 33 USD
Determination of the nature of pearls (XRF and radiography)	up to 21 days	225 USD
Examination of meteorites		for 1 pcs.
Examination of meteorites (without issuing a protocol)	up to 8 days	33 USD
Examination of meteorites	up to 11 days	63 USD
Examination of meteorites with chemical analysis (siderites, stony, iron-stony)	up to 17 days	105 USD
Meteorite assessment	up to 11 days	31 USD
other services		for 1 pcs.
Calculation of the cost of jewelry with precious stones (without diagnostics of stones and metal)	up to 5 days	241 USD
Diagnostics of the natural origin of the stone	up to 21 days	247 USD
Diagnosis of the nature of color and origin of the diamond	up to 21 days	365 USD
Ultrasonic and manual cleaning of jewelry	up to 2 days	33 USD
Level of radioactivity of stones (gamma and beta background)	up to 2 days	61 USD
Determination of the specific gravity (density, S.G.)	up to 5 days	81 USD
Consultations on operations with stones	1 hour	120 USD