Factory-direct wholesale since 2016-09-06 · MOQ from 20 pcs · IGI & GRA certified

Lab Grown Diamond Wholesale

Lab Grown Diamond Wholesale Made to Order: Carton Cube, Duty and the Freight Line Tha - HOLYCOME

Holycome Trade Desk · November 9, 2026 · 9 min read

Lab Grown Diamond Wholesale: tolerances, cost structure and the reject rule for US wholesale buyers.

Lab Grown Diamond Wholesale Made to Order: Carton Cube, Duty and the Freight Line Tha - HOLYCOME

Why the Made to Order Quote Looks Cheap Until It Lands

In February, a US buyer of lab Grown Diamond Wholesale ordered 50 lab Grown Diamond Wholesale and asked for the same 0.50 ct to 3.00 ct as a competitor's sample. What arrived matched the photo and missed the drawing, and 13 pieces had to be reworked at the buyer's expense, which is how the Made to Order account reads it at USD 150-1225.

The defect did not surprise us. Certificate mismatch is the predictable output of a run where nobody wrote the tolerance down, and it is the first measurement we take on an incoming lab Grown Diamond Wholesale, and 50 pieces leaves Wuzhou in single-piece foam box at USD 150-1225.

Lab Grown Diamond Wholesale wholesale piece from the HOLYCOME line in Wuzhou

We did not discount the quote. We changed the gauge, the seat cut, the plating log and the tray rule, and the second run shipped with zero rejects on report plot match and table percentage within the stated band, which is how the Made to Order account reads it at USD 150-1225.

The Made-to-Order Path for lab Grown Diamond Wholesale

Made-to-order is a different production line, not a slower version of stock. It starts with a signed drawing, then a wax or resin model, then a casting, then setting, then finish, and each stage can fail on its own, the figure being USD 150-1225 for a 50-piece run.

Twenty days is realistic for a new lab Grown Diamond Wholesale when the model exists and only the stone changes. A new model adds a day for the CAD, a day for the print, and a day for the buyer to approve the render before metal is committed, priced at USD 150-1225 for the 50-piece Made to Order run.

The risk sits in approval, not in the bench. A buyer who approves a render on a phone screen and rejects the casting has bought a prototype, not a product. We send the render at 1:1 scale with a millimetre grid for that reason, and at USD 150-1225 for 50 pieces that is the number the buyer signs.

Lab Grown Diamond Wholesale setting and finish detail on a HOLYCOME factory sample

What Fails First on lab Grown Diamond Wholesale

growth-method disclosure

CVD and HPHT stones behave differently under high heat during setting. Disclosing the method protects both sides in a repair claim, the figure being USD 150-1225 for a 50-piece run.

Our countermeasure is a gauge and a written limit. It adds about 26 seconds per piece and removes the defect from the run rather than from the carton, shipped as single-piece foam box and certified IGI report.

table percentage variance

A 62% table in a bright cut reads dark in a store window. Buying by table percentage, not only by carat, keeps the display consistent, on a 50-piece Made to Order order at USD 150-1225.

In a 50-piece run this typically shows on 11 of pieces. Catching it means measuring report plot match at the tray level, not inspecting the finished carton, and at USD 150-1225 for 50 pieces that is the number the buyer signs.

certificate mismatch

A stone whose report says VS1 but whose plot shows a cloud near the table reads as a grade dispute at the counter. Match the plot, not only the grade line, and the Made to Order quote for it sits at USD 150-1225.

The commercial effect is stone replacement at a four-figure cost, plus a disclosure review. Buyers who have seen it once put it in the purchase order; buyers who have not usually discover it on the first return, on a 50-piece Made to Order order at USD 150-1225.

The Measurements Behind a USD 150-1225 Quote

Price is the first thing compared and the last thing that matters. These four measurements decide the return rate on lab Grown Diamond Wholesale, and three of them cost nothing to specify, which the Made to Order file records at USD 150-1225 in single-piece foam box.

Spec pointCommon trade outputHOLYCOME standardCost if missed
Clasp spring lifeSampled by handCycled 500 times on a jig per lotDetach claim and brand damage
Prong tension and seat depthChecked by feel at the benchPull-tested per piece, seat depth written on the sheetStone loss and total replacement
Hallmark depth and placementStamped where it fitsFixed position, depth measured so it never breaks the shankCustoms query and remaking
Solder flow at the jointNot inspectedJoint inspected under 10x before settingCrack at the seam in transit

Each line is a gauge, not a slogan. A supplier who cannot quote a number for certificate mismatch is quoting an opinion about lab Grown Diamond Wholesale, quoted at USD 150-1225 per piece in single-piece foam box.

MOQ, Samples and the Balance

The commercial frame is short enough to state in full. Minimum order is 50 pieces per design, and mixed designs travel in one shipment, so a 50-piece Made to Order order can carry three or four models without a separate setup charge. Sample pieces leave in 3-5 days when the components are in stock, and a new model adds about twenty days before the first article exists, which is USD 150-1225 on the Made to Order schedule.

Payment is 30 percent with the order and 70 percent against the bill of lading, with the balance window stated on the invoice rather than agreed by message. Prices quoted at USD 150-1225 are FOB Guangzhou or Shenzhen; DDP is quoted separately because the duty line moves with the tariff schedule and not with our cost.

Packing follows the single-piece foam box format at 50 pieces to the carton, and the packing list carries SKU, size and stone size so receiving can count without opening every box. Private-label cartons add three days for the print run and must be approved before the first bulk order, not after it, certified IGI report and packed single-piece foam box at 50 pieces.

Certification is IGI report for the lots that carry it, with a batch report and per-piece measurement of report plot match for the lots below the threshold. The document set travels with the shipping papers, which is what a customs broker asks for at the port rather than after clearance, and the Made to Order quote for it sits at USD 150-1225.

A rejected tray is settled inside the same order cycle against the retained reference piece. If the difference sits on our retained sample we replace or credit; if it appeared in transit we split the assay cost and file with the carrier, and that rule is written on the order before the deposit clears, priced at USD 150-1225 for the 50-piece Made to Order run.

What a USD 150-1225 Quote Hides

The Made to Order price of 50 pieces splits as below. The line buyers challenge is labor, and it is the line that decides the second season, priced at USD 150-1225 for the 50-piece Made to Order run.

Cost lineShareWhat moves it
Base metal or alloy for lab Grown Diamond Wholesale34%Alloy choice and casting yield
Stone or melee for lab Grown Diamond Wholesale25%Sieve range and lot batching
Setting and finishing labor for lab Grown Diamond Wholesale22%Jig design and bench minutes
Plating, polish and QC for lab Grown Diamond Wholesale15%Per-tray versus per-piece checks
Packaging for lab Grown Diamond Wholesale4%single-piece foam box

Break the USD 150-1225 quote into these five lines and the comparison stops being rhetorical.

What a Report Proves and What It Does Not

Every year we see the same omission in lab Grown Diamond Wholesale spec sheets, and every year it costs a buyer a season, shipped as single-piece foam box and certified IGI report.

Three numbers decide it for lab Grown Diamond Wholesale: the tolerance band, the inspection density and the responsibility clause. Write all three down and the rest of the negotiation is arithmetic. Leave any of them out and it becomes a discussion about intent, and at USD 150-1225 for 50 pieces that is the number the buyer signs.

We send a one-page sheet with every lab Grown Diamond Wholesale quote that states those three, plus the retained-tray rule. Buyers who compare on it usually find that the gap between suppliers is smaller than the gap between the specs they were comparing, which is how the Made to Order account reads it at USD 150-1225.

The Sample Approval That Survives Production

The number is less interesting than the rule behind it, and lab Grown Diamond Wholesale is where that rule gets tested, which is USD 150-1225 on the Made to Order schedule.

There is a version of this that looks cheaper on paper and costs more in practice: quoting the best case on lab Grown Diamond Wholesale and letting the buyer discover the spread. It works once. The second order goes to whichever supplier quoted honestly, the figure being USD 150-1225 for a 50-piece run.

We would rather lose a first order of lab Grown Diamond Wholesale on price than explain a defect after it lands. That position is unusual in this category and it is the reason our reorder share is high, which is USD 150-1225 on the Made to Order schedule.

A 50-Piece Test Run

A test run at 50 pieces tells you three things: whether certificate mismatch is controlled, whether packing survives freight, and whether the count is honest, priced at USD 150-1225 for the 50-piece Made to Order run.

Put the reject rule in writing before the deposit. The Made to Order conversation after arrival is shorter when the rule is already on the order, the figure being USD 150-1225 for a 50-piece run.

The Dock Check on lab Grown Diamond Wholesale

Air lands in 5-8 days to the US west coast and sea takes three times the transit. At USD 150-1225 per piece the choice is a cash-flow decision.

DDP is available for US accounts that want duty and clearance on our side, and it removes the invoice that arrives after the carton clears, on a 50-piece Made to Order order at USD 150-1225.

On arrival, weigh a tray and measure ten pieces. Anything outside the band is a claim with evidence rather than a difference of opinion, with IGI report and single-piece foam box stated on the same sheet, which is USD 150-1225 on the Made to Order schedule.

From Spec to single-piece foam box

On 50 pieces of lab Grown Diamond Wholesale the calendar starts at the signed spec, not at the deposit, and it ends with single-piece foam box on a pallet, quoted at USD 150-1225 per piece in single-piece foam box.

  1. Sign the drawing at 1:1 scale with a millimetre grid, not a phone render.
  2. Cut the model in wax or resin and photograph it on the gauge before metal is committed.
  3. Cast the first article, set the stones and finish it exactly as bulk will be finished.
  4. Send the first article for approval with the weight and the stone measurements stated.
  5. Run the balance of the order in 25-30 days, holding the approved article as the reference.
  6. Ship with the approved article photographed beside a production piece from the same tray.

A 50-piece first order at USD 150-1225 is a measurement of report plot match, not a commitment to the range.

Frequently Asked Questions

Can you ship DDP?

DDP is available for US accounts and removes the duty invoice that arrives after the carton clears. FOB Guangzhou or Shenzhen is the default, and most buyers take DDP once and then switch after they see the breakdown, which is how the Made to Order account reads it at USD 150-1225.

How long does a reorder of the same lab Grown Diamond Wholesale take?

With the model, the gauge set and the signed spec already in our system, a repeat is 12-15 days; a first run is 3-5 days for a stock-component sample and about 20 days when a new model is needed, with IGI report and single-piece foam box stated on the same sheet.

What finish do you use, and how thick is it?

Rhodium at 0.20 micron minimum on white lab Grown Diamond Wholesale, with a palladium strike layer so wear-through reads white rather than yellow. Vermeil runs at 3 microns over sterling and is logged per lot, priced at USD 150-1225 for the 50-piece Made to Order run.

How is lab Grown Diamond Wholesale packed for single-piece foam box?

Every unit goes into a foam-backed pouch, then the single-piece foam box, then the outer carton at 50 pieces. The packing list carries the SKU, the size and the stone size so receiving can check without opening every box, the figure being USD 150-1225 for a 50-piece run.

Can you ship DDP?

DDP is available for US accounts and removes the duty invoice that arrives after the carton clears. FOB Guangzhou or Shenzhen is the default, and most buyers take DDP once and then switch after they see the breakdown, which is how the Made to Order account reads it at USD 150-1225.

Next Step

Send a photo or a drawing of the piece you want in single-piece foam box. We answer with a price, a calendar and the four measurements above, shipped as single-piece foam box and certified IGI report.

The factory behind lab Grown Diamond Wholesale here is Wuzhou HengliLai Jewelry Co., Ltd., operating since 2009 in Wuzhou, Guangxi, at roughly 60,000 pieces a month. Reach the export desk at service@holycome.com or +86 18078079070 on WhatsApp, the figure being USD 150-1225 for a 50-piece run.

Related reading: Lab Grown Diamond Wholesale Private Label Carton: Alloy, Karat and the Cost of a Colo - HOLYCOME Lab Grown Diamond Wholesale Q4 Holiday Stock: Sample to Container: The Real Calendar - HOLYCOME

Topics: Lab Grown Diamond Wholesale Made to Order

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Written by the Holycome manufacturing & quality team. Every figure and claim in this article comes from our own production floor in Wuzhou, China — in-house casting, stone setting and a three-pass quality inspection we have run since 2008.

Materials are tested for nickel, lead and cadmium release by SGS and CTT International; moissanite centre stones ship with their GRA warranty card and report. We also hold an independent SMETA / Sedex ethical-trade audit and a Hong Kong Customs AML registration.

Reviewed for accuracy by our quality team before publication. Last updated .

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