Type IIa Lab Diamond Rounds
Type IIa synthetic diamond rounds, ultra-pure with low nitrogen, 2-3mm. 7104.91.5000 as worked synthetic diamonds, unmounted. Premium for high-end applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If industrial non-gem quality
7104.91.10 specifically for industrial synthetic diamonds.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• IIa certification distinguishes from lower types for valuation
Related Products under HTS 7104.91.50.00
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Cushion cut synthetic diamonds, faceted for maximum light return, 1.5ct average. Loose under 7104.91.5000, worked synthetic stones.
Synthetic Diamond Emerald Cuts 0.75ct
Emerald cut lab diamonds, step-cut for clarity emphasis, 0.75ct. 7104.91.5000 unstrung.
Asscher Cut Lab-Grown Diamonds
Squared emerald-style Asscher cut synthetics, high clarity. Loose 7104.91.5000.
Radiant Cut Synthetic Diamonds 3ct
Large 3ct radiant cut lab diamonds, rectangular with brilliant facets. 7104.91.5000.
Oval Lab Diamond Melee 1.2mm
Oval-shaped melee synthetic diamonds 1.2mm for halo designs. Worked, unmounted 7104.91.5000.
CVD Colorless Diamond Parcels 0.5ct
Parcels of colorless CVD-grown synthetic diamonds averaging 0.5 carats each, precision cut for sparkle. HTS 7104.91.5000 covers these loose, graded synthetic diamonds not mounted or strung. Sold to wholesalers for jewelry production.