About HSN Code 680421
HSN Code 680421 covers Of Agglomerated Synthetic or Natural Diamond: and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged. This code falls under the Fashion & Accessories sector (Footwear, headgear, jewellery, pearls).
How to Use HSN Code 680421 on GST Invoices
- Include the HSN code 680421 on every GST invoice for of agglomerated synthetic or natural diamond:
- Businesses with turnover above ₹5 crore must use 6-digit HSN codes
- Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
- The HSN code must match the product/service description on your invoice
- Incorrect HSN codes can lead to GST notices and ITC mismatches
Related HSN Codes
- 680410 — Millstones and Grindstones for Milling, Grinding or Pulping
- 68041000 — Millstones and Grindstones for Milling, Grinding or Pulping
- 68042110 — Diamond Impregnated Wheels
- 68042190 — Other
- 680422 — Of Other Agglomerated Abrasives or of Ceramics :
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Last verified: 2026-06-26 · Source: CBIC Master Tariff