India to USA trade data · HS 7104
Exporting Lab-Grown Diamonds & Synthetic Stones from India to the USA
In 2025, the US imported $512M of lab-grown diamonds & synthetic stones (HS 7104) from India, 87.4% of all US imports of this product, making India the largest supplier of 50 countries.
- US imports from India, 2025
- $512M
- Jan–Aug 2026 vs last year
- -68%
- India's rank
- 1st of 50
- Share of US imports
- 87.4%
- Average duty paid
- 11%
- Shipped by sea
- 0%
Five-year trend
US imports of lab-grown diamonds & synthetic stones from India
Jan–Aug 2026: $158M, down 68% on the same months last year.
Competition
Who supplies the US with lab-grown diamonds & synthetic stones
US imports of HS 7104 by country of origin, 2025. Total from all 50 countries: $586M.
| Country | US imports, 2025 | Share |
|---|---|---|
| 1. India | $512M | 87.4% |
| 2. Thailand | $27.3M | 4.7% |
| 3. China | $11.1M | 1.9% |
| 4. Germany | $7.7M | 1.3% |
| 5. UAE | $5.7M | 1% |
| 6. Canada | $3.7M | 0.6% |
| 7. Japan | $3.3M | 0.6% |
| 8. Israel | $2.8M | 0.5% |
US ports of entry
US ports for lab-grown diamonds & synthetic stones from India
Top US ports for HS 7104 imports from India by value, 2025. 0% came by sea, 72% of that in containers.
| US port | Value, 2025 | Share |
|---|---|---|
| JFK International Airport, NY | $490M | 95.7% |
| Los Angeles International Airport, CA | $11.4M | 2.2% |
| New Orleans, LA | $6.3M | 1.2% |
| Cleveland, OH | $1.8M | 0.3% |
| Anchorage, AK | $1M | 0.2% |
| San Francisco International Airport, CA | $611K | 0.1% |
US duty
Duty paid on lab-grown diamonds & synthetic stones from India
Across all HS 7104 imports from India, the duty US Customs calculated came to 11% of their value in Jan–Aug 2026, against 6.8% across 2025.
This is an average over every product in the heading, not the rate for a specific item. Your rate depends on the product's 10-digit HTS code and the tariff actions in force when it enters the US.
Questions
Lab-Grown Diamonds & Synthetic Stones from India to the USA: FAQs
How much lab-grown diamonds & synthetic stones does the US import from India?
$512M in 2025 (HS 7104), which made India the largest supplier of 50 countries with 87.4% of US imports. In Jan–Aug 2026 it was $158M, down 68% on the same months of 2025.
Which countries compete with India for lab-grown diamonds & synthetic stones in the US market?
Thailand (4.7%), China (1.9%), Germany (1.3%) are the other main suppliers, by share of US imports in 2025.
What duty do US importers pay on lab-grown diamonds & synthetic stones from India?
On average, the duty paid was 11% of the value of lab-grown diamonds & synthetic stones from India in Jan–Aug 2026 (6.8% across 2025). That is an average over every product in heading 7104: the rate for your goods depends on their 10-digit HTS code and the tariff actions in force when they enter. The importer pays it, usually through a customs broker.
Which US ports receive lab-grown diamonds & synthetic stones from India?
JFK International Airport, NY (95.7%), Los Angeles International Airport, CA (2.2%), New Orleans, LA (1.2%) took the most by value in 2025. About 0% arrived by sea and 100% by air.
Source: U.S. Census Bureau international trade data (general imports, and duty calculated on imports for consumption), 2021–2025 and Jan–Aug 2026.
More from chapter 71: Natural, cultured pearls; precious, semi-precious stones; precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin
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