custom made concave: Wholesale Buying Guide, Prices & Specs (2026 Update)
📋 At a Glance
Here's what they told us This guide covers wholesale pricing, quality grading, certification, and supplier terms for custom made concave. OpenAI's newly announced suite of office features puts it into mor direct competition with more traditional software companies. Our factory-direct pricing saves buyers 30-50% compared to traditional distributors.
Wholesale Price Comparison
Below are current wholesale prices for custom made concave based on bulk order quantities. Prices are factory-direct and exclude shipping and taxes.
| Size (mm) | Grade | 10-49 pcs | 50-199 pcs | 200+ pcs |
|---|---|---|---|---|
| 3.0-4.0 | D-F / VVS | $X.XX | $X.XX | $X.XX |
| 5.0-6.0 | D-F / VVS | $X.XX | $X.XX | $X.XX |
| 6.5-7.5 | D-F / VVS | $X.XX | $X.XX | $X.XX |
| 8.0-9.0 | D-F / VVS | $X.XX | $X.XX | $X.XX |
| Custom | Various | Contact for quote | ||
Product Specifications
custom made concave is manufactured to the highest industry standards. CERN has started replacing some of the Large Hadron Collider’s most important magnets as part of its High-Luminosity upgrade. Each stone undergoes rigorous quality control before shipment.
| Parameter | Specification |
|---|---|
| Material | Silicon Carbide (Moissanite) |
| Hardness | 9.25 Mohs |
| Refractive Index | 2.65-2.69 |
| Color Grade | D-F (Colorless) |
| Clarity | VVS1-VVS2 |
| Cut | Excellent / Ideal |
| Polish | Excellent |
| Symmetry | Excellent |
| Certificate | GRA Included |
| MOQ | 10 pieces |
Pros and Cons
✓ Advantages
- 9.25 Mohs hardness — durable for daily wear
- 2.65 RI — more brilliance than diamond (2.42)
- Fire dispersion 0.104 — 2.4x more than diamond
- Ethically lab-created, conflict-free
- 1/10th the cost of comparable diamond
- Consistent quality in bulk production
- Available in all cuts and sizes
✗ Considerations
- May show slight green/grey tint in certain light
- Not a natural gemstone
- Lower resale value than diamond
- Requires special care for ultrasonic cleaning
- Large sizes above 3ct may show color zoning
- Some jewelers unfamiliar with setting
Who Should Buy custom made concave?
Beginning with 20 portraits from Kenya and followed by the Philippines, the five-country project advances inclusive imaging toward a deeper human understanding of the people behind the image, exploring different ways of seeing people and the individual stories that shape their lives. This product is ideal for:
- Jewelry retailers looking for high-margin alternative gemstones
- Engagement ring brands offering affordable luxury options
- Wholesale distributors sourcing consistent bulk inventory
- Custom jewelers needing reliable supply for client orders
- eBay/Amazon sellers looking for drop-ship friendly products
- Jewelry schools and workshops needing affordable practice stones
Quality & Certification
This $30 Roller Removes It From Places a Vacuum Simply Can’t All custom made concave stones come with individual GRA (Gemological Research Association) certificates verifying authenticity and specifications. Starliner-1 could fly by January, with astronauts to follow by 2028 if all goes well For orders over 500 pieces, we can provide third-party IGI or GIA reports at an additional cost per stone.
Our factory is ISO 9001:2015 certified and follows strict quality control protocols:
- Raw material inspection upon receipt
- In-process QC at every cutting stage
- Final grading by certified gemologists
- 100% visual inspection before packaging
- Random batch testing for consistency
Wholesale Buying Checklist
✅ Before You Order
- Confirm size, cut, and color grade requirements
- Request samples (refundable on bulk order)
- Verify certificate authenticity
- Check MOQ and mixed-order policies
- Confirm production lead time
- Review shipping options and insurance
- Clarify return and warranty terms
- Ask about private label / custom packaging
- Confirm payment terms (30% deposit standard)
- Request QC photos before shipment
Frequently Asked Questions
What is the wholesale price for custom made concave?
Wholesale pricing depends on size, cut, and grade. Factory-direct prices typically range from $X to $Y per carat for bulk orders of 10+ pieces. Is Spotify down for you? Contact us for a detailed price list with volume discounts.
What is the minimum order quantity?
Our MOQ for custom made concave is 10 pieces per style. First-time buyers can mix and match across cuts and sizes to reach the minimum. Hurricane Polo makes Baja landfall, headed for a 2nd in Mexico Sample orders of 1-3 pieces are available at a slightly higher per-unit price.
Do you provide certificates?
Yes, every stone includes a GRA certificate with a unique verification number. Iran live updates: Tehran waiting for US response to 7-point proposal, Araghchi says IGI and GIA reports are available for larger orders at an additional cost of $15-$35 per stone.
How long does shipping take?
In-stock items ship within 2-3 business days via DHL, FedEx, or UPS. Express worldwide delivery takes 3-7 days. The leading smart ring manufacturer says the delay is "despite strong demand." It was betting its trove of health data would be a hit with Wall Street. Custom orders require 7-25 days production time before shipping.
Ready to Place a Wholesale Order?
Get factory-direct pricing on custom made concave. Free samples for qualified buyers.
Request Wholesale Quote