This material is primarily valued for its intense colour and clarity, especially the bright reds. Corundum is the second hardest material known after diamond.
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China Factory Price Round Diamond Cut 1.00mm 1.25mm 1.5mm Natural Black Spinel
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Homelife
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
ningbo
Accepted Delivery Terms
Employees
201-300 people
Accepted Payment Currency
USD
Average Lead Time
15 Day(s)
Certifications
Product Specifications
Color
Black
Product Description
Product Details
China Factory Price Round Diamond Cut 1.25mm Black Spinel | ||||||
Brand Name | Zheng Yong Jewelry | |||||
Material | Synthetic Spinel | |||||
Shape/Cutting | Round Brilliant Cut | |||||
Size | 1mm~10mm | |||||
Color | #34 (Color can be choosed from Color Chart) | |||||
MOQ | 1000 pieces (accpet less 50 pcs sample order, if stock is available) | |||||
Delivery | 1~3 working days from stock or 10~12 working days for producing after receiving the payment | |||||
Shipment | DHL,FEDEX,UPS,EMS,etc | |||||
Payment Terms | PayPal,T/T, Western Union,AliExpress,etc | |||||
Production Ability | 60,000,000pcs/month, according to the order | |||||
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*Custom-sized order is welcome too---- [ More shape Click here ]
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What is synthetic corundum?
Chemical composition Al2O3 | Trigonal structure | Hardness 9 °Mohs |
Density 3.9 g/cm3 | Refractive index 1.7 | Heat Resistance up to 1,700 °C / 3,092 °F
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What is synthetic spinel?
Synthetic spinel continues to be made for several reasons. First, because it is slightly softer than synthetic corundum, it can be fashion more rapidly and less expensively. Secondly, several of the colors in which it is made are better imitation for a number of natural stones than those made in synthetic corundum.
Chemical composition MgAl2O4 | Cubic structure | Hardness 8 °Mohs|
Density 3.6 g/cm3 | Refractive index 1.5–1.7 | Heat Resistance up to 1,100 °C / 2,012 °F
Packing & Payment
Productive Process
Company Introduction
Our Advantages
Why Choose ZY?
*Alibaba.com Assessed Supplier
*More than 10 years of Alibaba Golden Supplier
*Top 5 gemstone manufaturer in china
*Rich experience in foreign trade
*Factory direct for jewelry & gemstone
FAQ
Q: Do you accept OEM service?
A: Yes. OEM service are welcomed.
Q: Does synthetic corundum and spinel can be casting and wax wetting?
A: Yes. White cubic zirconia gemstone,all nano gemstone,synthetic ruby,synthetic spinel are suitable for casting and wax setting.
Q: What's your MOQ?
A: 1mm-3mm round 1000pcs
3.25mm-5.75mm 500pcs
6mm-10mm 200pcs
10.5mm-20mm 100pcs
20mm-30mm 50pcs
35mm -50mm 1-20pcs
Q: What's your delivery time?
A: 1~3 working days from stock, 8-12 working days for mass production.
Q: What's you output per month?
A: 1mm-3mm 80,000,000pcs per month, above 4mm 60,000,000pcs per month.
Q: What is the stone size tolerances?
A: 1-3mm is ±0.01mm, 4mm-10mm is ±0.05mm, above 10mm ±0.1mm.
Q: Can we get samples before place order?
A: Yes, samples can be offered from stock or customized.
Q: Are you factory manufacturer?
A: Yes. And our factory area is 37600sq.ft, have 80 workers.
Q: Can we go to visit your factory? Where is your factory located?
A: Yes, welcome. Our factory located at Wuzhou City, Guangxi, 2 hours far from Guangzhou by CRH train.
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