Comapny Tpye: Manufacturer (OEM)
Main products: Lab-grown diamond stones, Polished synthetic diamonds, HPHT/CVD diamond blanks
Report Creation Date: 2026-02-15
KC Labgrown Diamond Co. Ltd. is a South Korean entity specializing in the supply of lab-grown diamonds, operating as a manufacturer (OEM) focused on B2B export. It functions primarily as a supplier to Indian downstream processors and jewelry manufacturers, with no visible public-facing brand or retail presence. Its trade structure is highly concentrated—over 93% of transactions map to HS 71049120 (lab-grown diamond stones, unmounted), and all documented trade flows exclusively target India. A notable acceleration occurred in mid-2024, with transaction volume surging over 300% year-on-year by Q2 2025, signaling rapid operational scaling.
| Field | Value |
|---|---|
| Company Name | KC Labgrown Diamond Co. Ltd. |
| Data Source | Customs transaction records (2023–2025) |
| Country of Origin | South Korea |
| Address | Not disclosed in available data |
| Core Products | Lab-grown diamond stones (unmounted), HPHT/CVD synthetic diamonds |
| Company Type | Manufacturer (OEM) |
Data解读: Transaction volume shows strong volatility but clear upward trajectory — from an average of ~1,500 units/month in early 2023 to peaks exceeding 8,500 units/month in mid-2025, with six months above 4,000 units. The surge correlates tightly with increased transaction frequency (e.g., 888 transactions in June 2025), suggesting scaling via high-frequency, lower-batch shipments rather than consolidation. Notably, activity dropped sharply in August 2024 (433.7 units), indicating a possible supply chain pause or inventory realignment. This pattern reflects operational ramp-up under capacity constraints rather than market demand saturation.
| Year-Month | Transaction Volume | Transaction Count |
|---|---|---|
| 2025-12 | 3,493.23 | 702 |
| 2025-11 | 1,879.26 | 461 |
| 2025-10 | 1,880.57 | 31 |
| 2025-09 | 5,980.04 | 515 |
| 2025-06 | 8,513.78 | 888 |
| 2025-05 | 8,395.98 | 703 |
| 2025-04 | 3,718.21 | 605 |
| 2025-03 | 8,023.48 | 520 |
| 2025-02 | 4,898.63 | 672 |
| 2025-01 | 4,626.50 | 259 |
Data解读: Trade is overwhelmingly concentrated among Indian partners — the top 20 buyers account for 100% of recorded transactions, with the top five alone representing 64.5% of total transaction count. Bhavani Gems leads with 2,548 transactions (23.7%), followed closely by HPHT International and Dharm Jewels. Notably, 6 of the top 20 are newly added or reactivated since 2024, while 7 have lapsed (no activity in past 12 months), indicating active portfolio pruning and strategic partner consolidation. This signals a maturing, selective B2B supplier relationship model—not broad-based distribution.
| Trade Partner | Country | Transaction Count | % of Total | Status | Latest Transaction |
|---|---|---|---|---|---|
| Bhavani Gems | India | 2,548 | 23.67% | Maintained | 2025-09-15 |
| HPHT International | India | 1,332 | 12.37% | Maintained | 2025-06-21 |
| Dharm Jewels | India | 1,083 | 10.06% | Maintained | 2025-09-20 |
| Smiling Rock | India | 1,061 | 9.86% | Maintained | 2025-11-21 |
| Ethereal Green Diamond LLP | India | 912 | 8.47% | Lost | 2024-07-22 |
| Aashi International | India | 871 | 8.09% | Maintained | 2025-12-27 |
| Viral Corp. | India | 546 | 5.07% | Lost | 2023-10-19 |
| Randal Co. Ltd. | India | 481 | 4.47% | Maintained | 2025-09-12 |
| A Star Export | India | 303 | 2.81% | Maintained | 2025-02-13 |
| Anand International | India | 273 | 2.54% | Newly Added | 2025-12-26 |
Data解读: HS 71049120 dominates with 93.28% share (10,043 transactions), confirming exclusive focus on unmounted, polished lab-grown diamond stones — consistent with industrial-grade B2B supply for cutting, polishing, and setting. The secondary code 71049100 (6.58%) covers similar goods but likely differing specifications (e.g., rough or semi-polished), now inactive since April 2023. The marginal appearance of 71023910 (natural diamond-related) suggests minimal legacy or cross-category testing, fully discontinued after December 2023. This extreme product focus implies deep technical specialization and limited diversification risk.
| HS Code | Transaction Count | % of Total | Status | Latest Transaction |
|---|---|---|---|---|
| 71049120 | 10,043 | 93.28% | Maintained | 2025-12-27 |
| 71049100 | 708 | 6.58% | Lost | 2023-04-29 |
| 71023910 | 15 | 0.14% | Lost | 2023-12-08 |
Data解读: All documented trade activity (100% of 10,766 transactions) is directed exclusively to India — no shipments to the US, EU, UAE, or domestic Korean markets appear in customs records. This monoregional concentration underscores a deliberate go-to-market strategy anchored in India’s cost-competitive diamond manufacturing ecosystem (Surat, Mumbai), where ~90% of global polished lab-diamond output is processed. Such geographic singularity increases exposure to Indian regulatory shifts and rupee volatility.
| Trade Region | Transaction Count | % of Total | Status | Latest Transaction |
|---|---|---|---|---|
| India | 10,766 | 100.00% | Maintained | 2025-12-27 |
Data解读: Over 54% of shipments originate from Bombay Air-PCCCC — India’s largest air cargo clearance hub for gems and jewelry — confirming that KC Labgrown Diamond Co. Ltd. leverages Indian logistics infrastructure as origin, not South Korea. This strongly implies drop-shipping or toll-manufacturing arrangements: Korean ownership with physical processing, packaging, and export executed in India (likely via subcontracted facilities in Mumbai/Bandra). The emergence of 'Precious Cargo Customs Clearance Centre/Bandra' as second-largest port (13.11%, newly added in 2025) reinforces this India-centric operational footprint. This setup reduces Korean export compliance burden but increases dependency on Indian customs efficiency and partner integrity.
| Export Port | Transaction Count | % of Total | Status | Latest Transaction |
|---|---|---|---|---|
| Bombay Air-PCCCC | 4,958 | 54.84% | Maintained | 2025-06-28 |
| Precious Cargo Customs Clearance Centre/Bandra | 1,185 | 13.11% | Newly Added | 2025-12-27 |
| PCCCC Bandra Kurla Air | 1,056 | 11.68% | Lost | 2024-06-28 |
| PCCCC Bandra Kurla Complex | 585 | 6.47% | Lost | 2024-04-30 |
| PCCCC Bandra-Kurla Complex | 506 | 5.60% | Newly Added | 2025-09-27 |
| PCCCC, Bandra Kurla C | 470 | 5.20% | Lost | 2024-07-30 |
| PCCCC Bandra-Kurla Air | 160 | 1.77% | Lost | 2024-09-24 |
| SHB ICD/Surat | 99 | 1.10% | Maintained | 2025-12-26 |
| Hira Boruse Surat ICD | 19 | 0.21% | Lost | 2024-09-18 |
| SHB ICD Surat | 2 | 0.02% | Lost | 2024-04-26 |
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