Other
Pearls, natural or cultured, whether or not worked or graded but not strung, mounted or set; pearls, natural or cultured, temporarily strung for convenience of transport. > Other > Other
Duty Rate (from China)
Products classified under Tariff item 7102.2
Argyle Mine Rough Miners' Diamonds
Bulk lots of unworked miners' diamonds from the Argyle mine, in their raw, unselected form straight from extraction with visible matrix attachments. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use due to their industrial-grade quality.
7102.21.00Black Carbonado Diamond Crystals
Black carbonado diamond crystals are porous, aggregate diamond formations prized for their impact resistance in industrial drilling. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Botswana Jwaneng Miners' Diamonds Bulk
Unselected bulk miners' diamonds from the Jwaneng mine, featuring typical cloudy and irregular characteristics of industrial rough stones. These are unworked or simply sawn, cleaved or bruted diamonds, directly from mining without any further processing, and are not mounted or set.
7102.21.00Bruted Cubic Industrial Diamond Fragments
Rough diamonds primarily used in industrial applications such as cutting and grinding tools. These are unworked or simply sawn, cleaved, or bruted diamonds, not mounted or set, and are not gem-quality.
7102.21.00Bruted Miners' Diamonds Industrial Grade
Rough diamonds from miners' parcels that have undergone simple bruting (girder shaping) for dressing tools and abrasives. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Carbonado Miner's Diamonds
Carbonado miner's diamonds are the toughest natural diamond variant used by miners for drill crowns and saw blades. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Cleaved Industrial Miners' Diamonds 3-5 Carat
Natural rough diamonds from mining operations, simply cleaved into 3-5 carat pieces for industrial saw blades and grinding wheels. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for jewelry.
7102.21.00Miners' Type Ia Natural Diamond Rough
Rough natural diamonds classified as miners' diamonds, unworked except for simple sawing or cleaving, primarily Type Ia with nitrogen impurities. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Natural Carbonado Diamond
Carbonado diamonds are a rare polycrystalline form of diamond known as black diamonds, used primarily in industrial applications due to their extreme toughness and opacity. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Raw Carbonado Rough Stones
Raw carbonado rough stones are unprocessed polycrystalline diamonds extracted from alluvial deposits, featuring their characteristic black, opaque appearance. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Rough Miners' Diamonds for PDC Drill Bits
Unworked miners' diamonds selected for polycrystalline diamond compact (PDC) cutting tools in drilling operations. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use due to inclusions.
7102.21.00Rough Miners' Diamonds from Kimberley Mine
Unworked miners' diamonds extracted directly from primary diamond mines like Kimberley, featuring irregular shapes and natural inclusions typical of rough industrial-grade stones. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Russian Mir Mine Unworked Miners' Diamonds
Raw miners' diamonds from the Mir pipe in Russia, in natural unselected parcels with high industrial yield potential. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00Sawn Miners' Diamonds for Diamond Wire Sawing
Simply sawn miners' diamonds prepared for embedding in diamond wire used in stone cutting and semiconductor slicing. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.21.00South African Venetia Miners' Rough Diamonds
Rough, unselected diamonds from the Venetia mine, embodying the pure miners' category with minimal human intervention post-extraction. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
7102.29.00Black Carbonado Aggregates
Black carbonado aggregates, porous diamond masses known as black diamonds, used exclusively for high-pressure industrial cutting and grinding. These are unmounted, worked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
7102.29.00Boart Miners' Diamonds for Tunneling Equipment
Boart miners' diamonds for tunneling equipment, irregular boart diamonds for tunnel boring machine cutters in underground mining. These are unworked, unmounted miners' diamonds, classified under tariff item 7102.29.00 as 'other' industrial diamonds.
7102.29.00Bort Miners' Diamonds for Saw Blades
Bort miners' diamonds for saw blades, crushed and irregular bort diamonds for embedding in industrial saw blades for stone cutting. These are unmounted, unworked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
7102.29.00Carbonado Diamond Chunks for Drilling
Carbonado diamond chunks for drilling, rough carbonado chunks selected for high-impact drilling applications in mining, valued for opacity and fracture resistance. These are unmounted, worked industrial diamonds under tariff item 7102.29.00.
7102.29.00Carbonado Diamond Powder Precursor
Carbonado diamond powder precursor, large carbonado fragments awaiting crushing into industrial diamond powder for wire sawing. These are unmounted, worked industrial diamonds, not yet in powder form, classified under tariff item 7102.29.00.
7102.29.00Crushed Miners' Diamonds for Abrasive Mining Tools
Crushed miners' diamonds for abrasive mining tools, coarsely crushed natural miners' diamonds for manufacturing abrasive tools for coal and mineral mining. These are unworked, unmounted, classified under tariff item 7102.29.00 as 'other' industrial diamonds.
7102.29.00CVD Polycrystalline Diamond Sheets
CVD polycrystalline diamond sheets, chemically vapor deposited and worked into plates for cutting tool inserts and wear parts. These are unmounted industrial diamonds, not suitable for jewelry, and fall under tariff item 7102.29.00 as 'other' diamonds.
7102.29.00HPHT Single Crystal Diamond Boulders
HPHT single crystal diamond boulders, large synthetic diamonds grown by high-pressure high-temperature method for industrial sawing and wire drawing dies. They are unmounted and worked, classified as non-gem industrial diamonds under tariff item 7102.29.00.
7102.29.00Industrial Cleavage Miners' Diamonds
Industrial cleavage miners' diamonds, rough cleavage fragments used in geological drilling and core sampling equipment. These are unmounted, unworked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
7102.29.00Industrial Diamond Microns for Lapping
Industrial diamond microns for lapping, precisely graded diamond grit from 1 to 50 microns for polishing semiconductors, optics, and precision bearings. These are worked industrial diamonds in powder form, but per subheading note 1, powder requires 90% passing a 0.5mm sieve; these microns are finer and fall under tariff item 7102.29.00 as 'other'.
7102.29.00Monocrystalline Diamond Dresser Blanks
Monocrystalline diamond dresser blanks, semi-finished single crystal diamonds shaped for manufacturing grinding wheel dressers. They are unmounted and worked, classified under tariff item 7102.29.00 as industrial diamonds for truing precision grinding wheels.
7102.29.00Raw Carbonado Diamond
Raw carbonado diamond, polycrystalline aggregates of diamond primarily used in industrial applications due to extreme toughness and fracture resistance. These are unmounted, worked industrial diamonds, classified under tariff item 7102.29.00.
7102.29.00Rough Miners' Diamonds for Drilling Bits
Rough miners' diamonds for drilling bits, unworked natural diamonds sourced for industrial use in manufacturing drill bits and cutting tools. These are unmounted, unworked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
7102.29.00Synthetic Diamond Heat Sinks
Synthetic diamond heat sinks, CVD diamond plates engineered for thermal management in electronics and lasers. These are unmounted, worked industrial diamonds under tariff item 7102.29.00, with thermal conductivity exceeding copper by five times.
7102.29.00Synthetic Industrial Diamond Powder
Synthetic industrial diamond powder, finely ground synthetic diamond particles for grinding and polishing applications. These are unmounted, worked industrial diamonds, but if 90% or more passes a 0.5mm sieve, they are classified as powder under subheading 7102.10.00; otherwise, they fall under tariff item 7102.29.00.