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Custom Diamond Jewelry Manufacturer Certified Diamond Jewelry Supplier
Surat, Gujarat, India
Custom diamond jewelry manufacturer certified diamond jewelry supplier.
Shipping Information
Exporter details revealed after verified importer registration
Custom diamond jewelry manufactured in Surat draws on the city's position as the world's largest diamond cutting, polishing, and manufacturing hub, anchored by the Surat Diamond Bourse, the world's largest office building and a dedicated trading complex built specifically for this industry. Surat-based manufacturers work across both natural, GIA and IGI certified diamonds and lab-grown (CVD) stones, reflecting the significant global shift toward lab-grown diamond jewelry in recent years. Navi Exports connects international buyers directly with these verified Surat manufacturers for custom and bespoke jewelry programs. For fine jewelry retailers, bridal boutique chains, and sourcing agents internationally, this means access to certified diamond jewelry manufacturing at the industry's largest global production center, backed by full export documentation.
| Attribute | Details / Value |
|---|---|
| Diamond Type | Natural diamond or lab-grown (CVD/HPHT), specify per order |
| Certification | GIA, IGI, specify per order and destination market preference |
| Diamond Clarity/Color Grade | Specify per order (e.g., VVS, VS, specific color grade range) |
| Metal Type | 18K/14K gold, platinum, sterling silver, specify per order and price point |
| Product Categories | Engagement rings, bridal sets, pendants, earrings, custom pieces, specify per order |
| Casting Method | Lost-wax casting, CAD/CAM precision casting, specify per design complexity |
| Metal Hallmarking | BIS hallmarking for gold purity, available per destination market requirement |
| Customization | Full bespoke design development, private label available |
| Packaging | Individual jewelry boxes, security packaging for high-value shipment, specify per order |
| HS Code | 7113.19 (gold/platinum jewelry with diamonds) or 7102/7104 (diamonds, natural/synthetic), confirm with CHA |
Natural diamonds carry GIA (Gemological Institute of America) or IGI (International Gemological Institute) certification confirming their origin, cut, clarity, and color grade, and this documentation is essential for buyers in fine jewelry retail where certification directly supports the price point and resale value proposition to end customers. Buyers should specify their required certification body, since some markets and retail chains have a specific preference between GIA and IGI.
Lab-grown diamonds, chemically and structurally identical to natural diamonds but grown through CVD (Chemical Vapor Deposition) processes, have seen dramatic global demand growth given their lower cost and sustainability positioning relative to mined stones. Surat has scaled up significant lab-grown diamond production alongside its natural diamond industry, and IGI certification is commonly used to verify lab-grown stone quality and grading. Buyers should confirm current lab-grown vs. natural pricing differentials directly, since this gap has shifted meaningfully as lab-grown production has scaled.
Surat's position as the world's largest diamond cutting and polishing center, processing the substantial majority of the world's diamonds by volume, gives the city an unmatched depth of skilled labor, certification infrastructure, and manufacturing scale for both natural and lab-grown diamond jewelry. The Surat Diamond Bourse consolidates this industry into a single trading and manufacturing ecosystem, supporting everything from small bespoke custom orders to large wholesale production runs within one regional hub.
Bespoke design development available from initial sketch or CAD rendering through final casting, suited to bridal boutique chains and fine jewelry retailers building an exclusive collection. Private label and custom branding available for buyers building their own jewelry line.
GIA or IGI certification per diamond, BIS hallmarking for gold purity, Certificate of Origin, Kimberley Process compliance documentation for natural diamonds (confirming conflict-free sourcing), quality inspection reports available per batch.
Both are recognized gemological grading bodies confirming a diamond's cut, clarity, color, and carat weight. GIA is generally considered the strictest and most internationally recognized standard for natural diamonds, while IGI is widely used for both natural and lab-grown diamond certification. Confirm which certification your target market and retail buyers prefer.
Yes, many Surat manufacturers work across both natural and lab-grown (CVD) diamond jewelry, given the city's scaled infrastructure in both categories. Specify your required certification and diamond type per product line when requesting a quotation.
Navi Exports connects buyers with manufacturers operating within Surat's established diamond trading ecosystem, requesting current GIA/IGI certification documentation, BIS hallmarking, and Kimberley Process compliance for natural stones before facilitating a buyer relationship.
MOQ varies significantly based on diamond type, certification, metal purity, and whether the order uses existing designs or fully bespoke development. Confirm the current minimum for your specific requirement directly.
Gold or platinum jewelry set with diamonds generally falls under HS code 7113.19. Loose natural diamonds fall under 7102, while synthetic/lab-grown diamonds fall under 7104. Confirm the exact classification with your customs broker based on your specific order.
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