Lab Grown Diamond Jewelry
Lab Grown Diamond Jewelry Made to Order: Carton Cube, Duty and the Freight Line That - HOLYCOME
Lab Grown Diamond Jewelry: tolerances, cost structure and the reject rule for US wholesale buyers.
Carton Cube, Duty and the Freight Line That Surprises Buyers in the Made to Order Program
A US buyer of lab Grown Diamond Jewelry sent us a competitor's lab Grown Diamond Jewelry in March with one question: why does this fail at certificate mismatch after a season. We measured it, rebuilt the spec around report plot match and table percentage within the stated band, and shipped 50 lab Grown Diamond Jewelry that cleared inspection with zero rejects, priced at USD 150-1225 for the 50-piece Made to Order run.
The bench did not miss the defect, it was never asked to look for it. Certificate mismatch was absent from the purchase order, and a defect that is not named cannot be rejected on arrival, shipped as single-piece foam box and certified IGI report, quoted at USD 150-1225 per piece in single-piece foam box.
The rebuild held the USD 150-1225 quote and changed the plating log, the gauge and the tray rule. Second run shipped single-piece foam box with zero rejects.
The Made-to-Order Path for lab Grown Diamond Jewelry
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, priced at USD 150-1225 for the 50-piece Made to Order run.
Twenty days is realistic for a new lab Grown Diamond Jewelry 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 50 pieces leaves Wuzhou in single-piece foam box at USD 150-1225.
Three Failures That Reach the Made to Order Bench
growth-method disclosure
CVD and HPHT stones behave differently under high heat during setting. Disclosing the method protects both sides in a repair claim, priced at USD 150-1225 for the 50-piece Made to Order run.
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, which the Made to Order file records at USD 150-1225 in single-piece foam box.
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, which the Made to Order file records at USD 150-1225 in single-piece foam box.
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, and the Made to Order quote for it sits at USD 150-1225.
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, the figure being USD 150-1225 for a 50-piece run.
In a 50-piece run this typically shows on 14 of pieces. Catching it means measuring report plot match at the tray level, not inspecting the finished carton, and the Made to Order quote for it sits at USD 150-1225.
Four Spec Lines a Made to Order Buyer Checks
A Made to Order quote that states only metal and stone size leaves certificate mismatch undefined, and undefined is what gets rejected on arrival, on a 50-piece Made to Order order at USD 150-1225.
| Spec point | Common trade output | HOLYCOME standard | Cost if missed |
|---|---|---|---|
| Clasp spring life | Sampled by hand | Cycled 500 times on a jig per lot | Detach claim and brand damage |
| Prong tension and seat depth | Checked by feel at the bench | Pull-tested per piece, seat depth written on the sheet | Stone loss and total replacement |
| Hallmark depth and placement | Stamped where it fits | Fixed position, depth measured so it never breaks the shank | Customs query and remaking |
| Solder flow at the joint | Not inspected | Joint inspected under 10x before setting | Crack at the seam in transit |
Nothing here adds cost at USD 150-1225. It adds documentation, and documentation is what the single-piece foam box carton is missing.
Terms Behind a Made to Order Order
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 how the Made to Order account reads it at USD 150-1225.
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, with IGI report and single-piece foam box stated on the same sheet.
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, the figure being USD 150-1225 for a 50-piece run.
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, certified IGI report and packed single-piece foam box at 50 pieces.
Cost Split on a Made to Order Piece at USD 150-1225
Buyers assume the stone dominates the cost of a lab Grown Diamond Jewelry. At wholesale it is closer to a quarter, and the labor line is where two quotes for the same drawing diverge by double digits, with IGI report and single-piece foam box stated on the same sheet, and 50 pieces leaves Wuzhou in single-piece foam box at USD 150-1225.
| Cost line | Share | What moves it |
|---|---|---|
| Base metal or alloy for lab Grown Diamond Jewelry | 32% | Alloy choice and casting yield |
| Stone or melee for lab Grown Diamond Jewelry | 23% | Sieve range and lot batching |
| Setting and finishing labor for lab Grown Diamond Jewelry | 21% | Jig design and bench minutes |
| Plating, polish and QC for lab Grown Diamond Jewelry | 14% | Per-tray versus per-piece checks |
| Packaging for lab Grown Diamond Jewelry | 10% | single-piece foam box |
The cheapest quote for lab Grown Diamond Jewelry usually hides its saving in the plating line and the stone grade. Both show up in the second season, not the first, priced at USD 150-1225 for the 50-piece Made to Order run.
What a Report Proves and What It Does Not
On lab Grown Diamond Jewelry, the cheapest answer is rarely the cheapest outcome once the second season is counted, with IGI report and single-piece foam box stated on the same sheet.
Three numbers decide it for lab Grown Diamond Jewelry: 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 the Made to Order quote for it sits at USD 150-1225.
We send a one-page sheet with every lab Grown Diamond Jewelry 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, shipped as single-piece foam box and certified IGI report.
The Sample Approval That Survives Production
A buyer who understands this about lab Grown Diamond Jewelry negotiates differently, and usually negotiates less, and the Made to Order quote for it sits at USD 150-1225.
There is a version of this that looks cheaper on paper and costs more in practice: quoting the best case on lab Grown Diamond Jewelry and letting the buyer discover the spread. It works once. The second order goes to whichever supplier quoted honestly, and at USD 150-1225 for 50 pieces that is the number the buyer signs.
We would rather lose a first order of lab Grown Diamond Jewelry 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, the figure being USD 150-1225 for a 50-piece run.
The First Made to Order Order
The first order should be small enough to inspect completely and large enough to keep the gauge check independent of the shift, certified IGI report and packed single-piece foam box at 50 pieces, on a 50-piece Made to Order order at USD 150-1225.
Sample in 3-5 days, bulk in 15-20 days under 500 pieces. At 50 pieces the calendar is the same on every Made to Order run, and 50 pieces leaves Wuzhou in single-piece foam box at USD 150-1225.
Getting single-piece foam box to US wholesale
For a Made to Order order at 50 pieces the carton count decides the freight more than the weight does. single-piece foam box packs tighter than a display tray, with IGI report and single-piece foam box stated on the same sheet.
The freight rate matters less than the clearance terms at USD 150-1225 per piece. A duty surprise can cost more than the entire freight line.
At receiving, count cartons, weigh one tray of single-piece foam box and measure ten pieces against report plot match. Twenty minutes here saves a season, and 50 pieces leaves Wuzhou in single-piece foam box at USD 150-1225.
The Calendar Behind a Made to Order Run
The calendar below is what we quote on a 50-piece run of lab Grown Diamond Jewelry. It starts when the spec is signed, not when the deposit clears, which the Made to Order file records at USD 150-1225 in single-piece foam box.
- Sign the drawing at 1:1 scale with a millimetre grid, not a phone render.
- Cut the model in wax or resin and photograph it on the gauge before metal is committed.
- Cast the first article, set the stones and finish it exactly as bulk will be finished.
- Send the first article for approval with the weight and the stone measurements stated.
- Run the balance of the order in 25-30 days, holding the approved article as the reference.
- Ship with the approved article photographed beside a production piece from the same tray.
MOQ stays at 50 pieces per design on the Made to Order program, low enough to test a category and high enough to keep the casting line accountable, quoted at USD 150-1225 per piece in single-piece foam box.
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, and at USD 150-1225 for 50 pieces that is the number the buyer signs.
How long does a reorder of the same lab Grown Diamond Jewelry 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, quoted at USD 150-1225 per piece in single-piece foam box.
What finish do you use, and how thick is it?
Rhodium at 0.20 micron minimum on white lab Grown Diamond Jewelry, 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, quoted at USD 150-1225 per piece in single-piece foam box.
How is lab Grown Diamond Jewelry 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, priced at USD 150-1225 for the 50-piece Made to Order 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, and at USD 150-1225 for 50 pieces that is the number the buyer signs.
Next Step
Send one drawing or one competitor sample with your target landed cost. We answer with a tolerance sheet, a cost breakdown and a production calendar in two business days, shipped as single-piece foam box and certified IGI report, and the Made to Order quote for it sits at USD 150-1225.
HOLYCOME runs this line from Wuzhou, Guangxi, through Wuzhou HengliLai Jewelry Co., Ltd. Output is about 60,000 pieces a month across lab Grown Diamond Jewelry and adjacent categories. service@holycome.com or WhatsApp +86 18078079070, and at USD 150-1225 for 50 pieces that is the number the buyer signs.
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