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

Round Cut Lab Grown Diamond

Round Cut Lab Grown Diamond Trade Show Sample: MOQ, Mixed Designs and the Real First - HOLYCOME

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

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

Round Cut Lab Grown Diamond Trade Show Sample: MOQ, Mixed Designs and the Real First - HOLYCOME

Trade Show Sampling for round Cut Lab Grown Diamond

A trade show converts on the sample that leaves the booth, not on the catalogue that gets left behind. The sample card has to carry the model number, the metal, the stone size, the FOB price and the MOQ, or the follow-up email starts from zero, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

Ten to twelve pieces on a tray is the useful number for round Cut Lab Grown Diamond. More than that and the buyer photographs instead of touching, and a photograph is not an order, quoted at USD 132-1078 per piece in display tray with sample card.

Round Cut Lab Grown Diamond wholesale piece from the HOLYCOME line in Wuzhou

The follow-up window is seven days. After that the card sits in a stack. We write the quote the same week and put the sample in the post so the buyer has the piece on the desk when the price arrives, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

MOQ, Mixed Designs and the Real First Order

The brief was simple: 100 round Cut Lab Grown Diamond, 14K/18K gold or platinum with IGI-certified lab-grown diamond, delivered before February. The run that arrived carried 17 pieces with certificate mismatch, and the buyer spent USD 50-260 on sorting before the goods reached a shelf, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

On a 100-piece order at USD 132-1078, a certificate mismatch rate above two percent is not a quality surprise. It is a costing error that shows up as a credit note three weeks later.

Nothing in the rebuild was expensive. A gauge, a written limit and a retained tray did the work that a discount would only have delayed, quoted at USD 132-1078 per piece in display tray with sample card.

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

What US buyers Check Before They Sign

At USD 132-1078 per piece the four measurements below are worth more than the discount being negotiated. One of them costs nothing to write down.

Spec pointCommon trade outputHOLYCOME standardCost if missed
Stone colour consistencyGraded by eye under D65Colour matched to a retained master stone, per trayRepeat colour complaint in the same SKU
Sizing drift across the runNot measuredGo/no-go gauge on every size, drift held under 0.15 mmResize queue and reship cost
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

Write these into the Trade Show Sample purchase order and the arrival check becomes arithmetic instead of recollection, shipped as display tray with sample card and certified GRA report.

Where USD 132-1078 Per Piece Actually Goes

Cost at USD 132-1078 leaves no room for assumption. The table shows which line compresses and which line only moves quality down.

Cost lineShareWhat moves it
Base metal or alloy for round Cut Lab Grown Diamond30%Alloy choice and casting yield
Stone or melee for round Cut Lab Grown Diamond20%Sieve range and lot batching
Setting and finishing labor for round Cut Lab Grown Diamond19%Jig design and bench minutes
Plating, polish and QC for round Cut Lab Grown Diamond12%Per-tray versus per-piece checks
Packaging for round Cut Lab Grown Diamond19%display tray with sample card

A factory that cannot state its bench minutes per piece has never costed its own line. Ask for minutes and for the reject rule, not for a discount, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

MOQ, Mixed Designs and the Real First Order

A buyer who understands this about round Cut Lab Grown Diamond negotiates differently, and usually negotiates less, which the Trade Show Sample file records at USD 132-1078 in display tray with sample card.

The commercial version of this question for round Cut Lab Grown Diamond is simple: what does a failure cost the buyer, and who pays it. In our terms the answer is a replacement inside the same order cycle, with the retained reference tray as the arbiter, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

That clause matters more than a discount on round Cut Lab Grown Diamond. A 4% lower unit price disappears on the first rejected tray; a written responsibility clause does not, which is how the Trade Show Sample account reads it at USD 132-1078.

Sample to Container: The Real Calendar

For round Cut Lab Grown Diamond at this price band, the honest answer is a range rather than a point, and the range has a reason, and 100 pieces leaves Wuzhou in display tray with sample card at USD 132-1078.

What buyers underestimate on round Cut Lab Grown Diamond is the cost of the interruption, not the cost of the piece. A missing 6% of a run stalls a launch, and a stalled launch costs more than the 6% ever did, which is how the Trade Show Sample account reads it at USD 132-1078.

We plan a 3-5% buffer on first runs of round Cut Lab Grown Diamond and tell the buyer it exists. Hiding a buffer and shipping it as production is how a supplier trains a buyer to distrust the count, shipped as display tray with sample card and certified GRA report.

Order Terms, Sample Timing and Packing

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 100-piece Trade Show Sample 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 the Trade Show Sample file records at USD 132-1078 in display tray with sample card.

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 132-1078 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 display tray with sample card format at 100 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, on a 100-piece Trade Show Sample order at USD 132-1078.

Certification is GRA 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 at USD 132-1078 for 100 pieces that is the number the buyer signs.

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, and 100 pieces leaves Wuzhou in display tray with sample card at USD 132-1078.

The Three Failures We See Most in Incoming Samples

growth-method disclosure

CVD and HPHT stones behave differently under high heat during setting. Disclosing the method protects both sides in a repair claim, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

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, priced at USD 132-1078 for the 100-piece Trade Show Sample run.

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, priced at USD 132-1078 for the 100-piece Trade Show Sample 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, which is USD 132-1078 on the Trade Show Sample schedule.

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, which is how the Trade Show Sample account reads it at USD 132-1078.

In a 100-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 the Trade Show Sample quote for it sits at USD 132-1078.

What This Means for a First Order

A first Trade Show Sample order of 50 pieces per design at USD 132-1078 tests the line rather than the range. Three designs covers the shelf.

Ask for the retained tray and the GRA report batch sheet with the first shipment. Both are free and both decide the reorder, which is how the Trade Show Sample account reads it at USD 132-1078.

How a Repeat Order Gets Built

Nothing in this sequence is unusual, and that is the point. Each step exists because skipping it produced a specific failure on a previous order, which is USD 132-1078 on the Trade Show Sample schedule.

  1. Lock the spec: metal, stone size range, plating thickness, sizing band and finish, all written on one sheet.
  2. Pull a stock-component sample in 3-5 days and measure it against that sheet, not against the photo.
  3. Approve the sample in writing, including the reject rule and the retained reference tray.
  4. Run bulk in 15-20 days for orders under 500 pieces, with the gauge check independent of the shift.
  5. Ship from Guangzhou or Shenzhen with the QC sheet in the carton and the batch report by email.

Reorders inside this sequence run 12-15 days because the model, the gauge set and the signed spec stay in our system, on a 100-piece Trade Show Sample order at USD 132-1078.

Freight, Duty and the Arrival Check

Export runs through Guangzhou or Shenzhen. Air lands in 5-8 days on the US west coast, 7-10 on the east, and sea takes roughly three times the transit, with GRA report and display tray with sample card stated on the same sheet, on a 100-piece Trade Show Sample order at USD 132-1078.

FOB is the default on round Cut Lab Grown Diamond and DDP is the option. Buyers new to US e-commerce usually take DDP once, then switch after they see the breakdown, priced at USD 132-1078 for the 100-piece Trade Show Sample run.

If certificate mismatch appears in the arrival check, the retained tray decides who owns it. Keep the GRA report batch sheet in the same folder as the packing list, quoted at USD 132-1078 per piece in display tray with sample card.

Frequently Asked Questions

How do you handle a rejected tray?

We replace or credit inside the same order cycle. The retained reference tray decides: if certificate mismatch shows on our retained piece we own it, and if it appeared in transit we split the assay cost and file with the carrier, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

What are the payment terms?

30 percent deposit with the order, 70 percent against the bill of lading. For accounts on a second order we quote 30/70 with a 15-day balance window once the first shipment has cleared, which the Trade Show Sample file records at USD 132-1078 in display tray with sample card.

What is the minimum order for round Cut Lab Grown Diamond?

50 pieces per round Cut Lab Grown Diamond. Designs mix inside one shipment, so a first order of three designs at 50 pieces each is normal for a new US account. Below 50 the gauge check stops being independent of the shift, the figure being USD 132-1078 for a 100-piece run.

Do you supply certificates for round Cut Lab Grown Diamond?

GRA report on round Cut Lab Grown Diamond above the threshold stated on the quote. Below it we supply a batch report plus per-piece measurement of report plot match, which is what a counter or a listing actually needs, which is USD 132-1078 on the Trade Show Sample schedule.

How do you handle a rejected tray?

We replace or credit inside the same order cycle. The retained reference tray decides: if certificate mismatch shows on our retained piece we own it, and if it appeared in transit we split the assay cost and file with the carrier, and at USD 132-1078 for 100 pieces that is the number the buyer signs.

Next Step

The next step is a sample in 3-5 days, not a container. Write to service@holycome.com or WhatsApp +86 18078079070, subject Trade Show Sample, priced at USD 132-1078 for the 100-piece Trade Show Sample run.

HOLYCOME is operated by Wuzhou HengliLai Jewelry Co., Ltd., a factory in Wuzhou, Guangxi, producing since 2009 at roughly 60,000 pieces a month. Contact service@holycome.com or WhatsApp +86 18078079070, certified GRA report and packed display tray with sample card at 100 pieces.

Related reading: Round Cut Lab Grown Diamond Q4 Holiday Stock: Sample to Container: The Real Calendar - HOLYCOME Cushion Cut Lab Grown Diamond Bridal Boutique: The Reject Tray Policy That Decides a - HOLYCOME

Topics: Round Cut Lab Grown Diamond Trade Show Sample

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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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