Lab-Grown Diamond Round Cut Necklace Wholesale 18K Gold IF IGI

Photos are of the actual production line. Custom orders are produced to your approved sample.

Lab Grown Diamond · 18K Gold

Lab-Grown Diamond Round Cut Necklace Wholesale

SKU LDNK5304 4.8 (50 trade reviews) In production · factory direct

$406.00$548.00/ pc

10+ pcs $406.0050+ pcs $373.52200+ pcs $349.16

Our Wuzhou bench makes this lab-grown diamond necklace round cut, in 18K Gold, IGI certified and to your requested finish.

Direct from our Wuzhou bench — this lab-grown diamond is cut, set and finished in-house.
IGI certificate issued with each parcel; laser inscription available on request.
D–G colour, VS–VVS clarity; hardness 10 Mohs makes it suitable for daily-wear lines
Hypoallergenic, nickel-free finish suited to sensitive-skin markets.
Approve a 3D CAD render and a sample piece before the order runs in volume.
Adjust size, grade, plating and engraving to match your private-label brief.
MOQ 10 pcs, with a tiered discount once the order reaches 500+ pieces.

Quantity (pcs)

Ask about this item

Factory directNo trading-company margin

CertifiedIGI / GRA / GIA on request

WorldwideDHL · FedEx · UPS insured

30-day returnsOn graded stock items

Customization options

Metal	925 sterling silver · 10K · 14K · 18K gold (yellow / white / rose) · platinum
Stone	Moissanite · lab grown diamond · lab grown emerald, ruby, sapphire, paraiba, padparadscha
Stone grade	D–H color, VVS–SI clarity; grades confirmed on your approval sheet
Size	Ring sizes to US / EU / UK standards; chain and bracelet lengths to spec
Finishing	Rhodium, 18K gold plating, matte, satin or high-polish
Branding	Laser engraving, logo tags, branded boxes, pouches and certificates

Product specifications

SKU / Model	LDNK5304
Jewelry type	Necklace
Stone	Lab Grown Diamond
Stone shape	Round/Oval/Marquise/Radiant/Heart
Stone weight	Made to order (multiple sizes)
Stone size	—
Clarity	IF
Metal	18K Gold
Approx. weight	2.27 g
Certification	IGI (available on request)
Plating	As per metal
MOQ	10 pcs per design
Lead time	10–18 days
Customization	Metal, size, stone and engraving
Packing	Poly bag + box; custom branded packaging available

About this necklace

Lab Grown Diamond Round Necklace in 18K Gold. D–G colour, IF Excellent (Hearts & Arrows on request); metal weight 2.27 g (approx.) Sourced and finished in our Wuzhou workshop for importers, jewellery brands and chain retailers, part of our necklaces, earrings, bracelets, sets and loose stones range. Each piece is hand-checked for colour and clarity before setting and inspected under 10× magnification before dispatch.

Built for mixed catalogue programmes

Priced on a factory-direct basis with a 10-piece minimum per design, the line suits buyers who combine several styles in one order. Repeat runs keep the same stone source, plating bath and finishing standard, so a restock matches the approved sample. Lead time is 10–18 days for this batch.

Certification and trade documents

IGI documentation is available on the parcel, together with a commercial invoice, packing list and material declaration stating the stones are laboratory-grown.

Wholesale terms

MOQ10 pcs per design; mixed-design lots from 50 pcs

Lead time10–18 days for stock designs; 12–20 days for OEM

DocumentsInvoice, packing list, certificate copies, material declaration

Payment30% deposit / 70% before shipment · T/T, PayPal, Western Union

ShippingDHL, FedEx, UPS, EMS — insured, door to door

GuaranteeStone-to-certificate match guarantee; 30-day return on stock items

Questions about this product

What is the minimum order quantity (MOQ) for this necklace?

The standard MOQ for Lab-Grown Diamond Round Cut Necklace Wholesale 18K Gold IF IGI is 10 pieces per design. Mixed-design wholesale lots are accepted from 50 pieces, and we support stock replenishment orders of 10–20 pieces for repeat buyers.

Can I order a sample before placing a bulk order?

Yes. We ship single samples at list price so you can inspect the setting, polish and stone in hand. The sample cost is refunded as a credit on your first bulk order above 200 pieces.

Is this lab grown diamond certified?

Yes — this item ships with a IGI certificate matching the stone grade (IF clarity, ). Each parcel includes a certificate-to-stone match sheet and photos of the graded stone.

Can you customise the metal, size and stone?

Yes. The metal can be changed to 10K, 14K or 18K gold in yellow, white or rose, and the stone can be switched between moissanite, lab grown diamond and lab grown gemstones. Ring sizes can be produced to US, EU or UK standards, and we support private-label engraving.

What is the production and shipping lead time?

Stock designs ship in 10–18 days. Custom and OEM production takes 12–20 days depending on quantity and setting complexity. Express delivery by DHL, FedEx or UPS normally takes 3–7 days to Europe and North America.

Do you support OEM/ODM and private label packaging?

Yes. We develop new designs from your sketches, CAD files or reference photos, and can produce custom packaging, logo-printed boxes, jewellery tags and branded pouches. Full OEM projects start from 30 pieces per design.