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Diamond Guide

Diamond Guide – Wholesale Buyers

We are not just sellers — we produce our own lab grown diamonds and manufacture jewelry in-house.
This allows us to control grading, polishing, cutting, finishing and consistency  from raw production → to final jewelry.

Because we make our diamonds ourselves, we can offer stable supply, consistent quality and factory-level wholesale pricing.

Types of Diamonds We Supply

1) Lab Grown Diamonds – Our own production

  • We grow our own lab diamonds

  • Uniform quality control

  • Best choice for bulk orders & brand scaling

  • Large volume / consistent supply

2) Natural Diamonds (sourced & verified)

  • Industry certified suppliers

  • For premium bridal / luxury categories

Diamond Shapes We Offer

Round • Oval • Princess • Cushion • Emerald • Pear • Marquise • Heart
(Custom cuts also possible depending on MOQ)

Grading & Quality – The 4Cs

Category Meaning
Cut Sparkle, brilliance, symmetry
Color White level (D = highest / Z = more yellow)
Clarity Inclusions / internal cleanness
Carat Weight / size

We can produce stones according to your target market — commercial grade / mid grade / premium grade.

Why Wholesale Clients Choose Us

  • We control production → no middleman pricing

  • In-house cutting & polishing

  • Bulk shipping with consistent batches

  • Branding + packaging option available

  • MOQ friendly

  • Fast dispatch & re-order support

Order Types

  • Loose Diamonds (bulk cartons)

  • Diamonds Already Set in Jewelry

  • Mixed Size Orders

  • Brand custom requirement orders

Conclusion

If you want diamonds that maintain profit margin + consistent quality — working directly with a manufacturer is the best option.
We produce our own lab diamonds  which means you get reliability, quality, and better price than market resellers.

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Company Info

Wholesale Jewelry has made rapid progress and successfully ranked among the top three exporters of diamond rough stones in China, thanks to its deep and stable cooperation with several listed companies such as Power Diamond Co., Ltd. and Yellow River Whirlwind Co., Ltd., its accumulated valuable experience in the industry over the years, its outstanding insight into the international market, and its extremely strict quality control system.

To fully meet the diverse demands of the market, the company has established its own and joint venture factories in many important regions around the world, including India, Foshan, and Zhengzhou, through a segmented assembly line operation of grinding, polishing, and setting, achieving an efficient and high-quality production model.

Meanwhile, the company has a vast inventory, with over 100,000 carats of loose diamonds and tens of thousands of finished products. Its customer base covers more than 20 countries and regions including Europe, America, Japan, South Korea, India, Dubai, and Hong Kong.

The brand's popularity and reputation have been continuously rising globally, making it a highly regarded diamond supplier in the international market.

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Wholesale Jewelry, we strive to ensure your orders are delivered safely, securely, and on time. Our goal is to provide a seamless shopping experience from checkout to delivery.

Processing Time

  • All orders are processed within 1–3 business days after payment confirmation.

  • Once your order has been shipped, you will receive a shipping confirmation email containing your tracking number and carrier information.

  • Orders placed on weekends or holidays will be processed the next business day.

Delivery Timeframes

Delivery times depend on the product type and availability status:

  • Lab Grown Diamond (In Stock): Delivered within 7 business days to the United States.

  • Lab Grown Gemstone (In Stock): Delivered within 7 business days to the United States.

  • Rough Diamond (Pre-Order): Delivered within 15–25 business days to the United States.

  • Diamond Fine Jewelry (Pre-Order): Delivered within 15–25 business days to the United States.

Please note: Pre-order items take additional time due to sourcing, manufacturing, and quality checks before shipment.

Shipping Area

We currently ship to the United States.
If you are located outside the U.S. and wish to place an order, please contact us at jewelarywholesale@gmail.com for assistance with international delivery options.

Shipping Confirmation & Tracking

Once your order ships, you will receive a confirmation email with tracking information. You can use this link to monitor your shipment status directly through the carrier’s website.

Delays & Exceptions

While we aim to meet the delivery timeframes mentioned above, delays may occur due to:

  • Carrier issues or service disruptions

  • Customs or import inspections (for special orders)

  • Weather conditions or public holidays

If your order is delayed beyond the estimated delivery window, please reach out to us for assistance.

Damaged or Lost Packages

If your order arrives damaged, or if you suspect it was lost in transit, please contact us immediately  with your order number and any relevant details. We will work with our shipping partners to resolve the issue promptly.

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Drop Us A Line

We’re happy to answer any questions you have or provide you with an estimate. Just send us a message in the form below with any questions you may have.

Thanks for contacting us. We'll get back to you as soon as possible.

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