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4mm 7mm DE VS Fancy Cut Lab Diamonds 0.5ct To 1 Carat Asscher Cut Diamond

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4mm 7mm DE VS Fancy Cut Lab Diamonds 0.5ct To 1 Carat Asscher Cut Diamond

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Brand Name : YUDA CRYSTAL

Model Number : YD-A+

Certification : None

Place of Origin : Zhengzhou, China

MOQ : Negotiate

Price : Negotiate

Payment Terms : 100% Payment In Advance

Supply Ability : 50000carats per month

Delivery Time : 1-7 Working Days Depends On Quantity

Packaging Details : Carton box

Product Name : Fancy Cut Lab Diamonds

Brand : Yuda Crystal

Grade : High

Assortment : Good

Color : DEF

Clarity : VVS VS

Carat Weight : 0.5-1.0ct

Cut : Ideal, Excellent, VeryGood, Good

Technology : HPHT, CVD

Shape : Fancy, Asscher

Usage : For Making Lab Diamonds Jewelry ( Rings, Earring, Necklace etc )

Component : Carbon

Hardness : Moh's 10 Scale

Available Type : HPHT, CVD

Place Of Origin : Zhengzhou, China

Payment Mode : T/T, Bank Transfer, PayPal, Western Union

Courier : DHL, FedEx, UPS, TNT, EMS etc

Packaging : As Export Standard

Customization : Welcome

Polish : Excellent, VeryGood, Good

Symmetry : Excellent, VeryGood, Good

Sample Order : Welcome

Treatments Applied : None

Enhancement : None

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DE Color VS Clairty Asscher Shape Fancy Cut Lab Diamonds For Making Lab Diamond Rings

Fancy Cut Lab Diamonds Description

Lab diamonds are real diamonds. Carbon is the main element of natural and laboratory-grown diamonds. The chemical and physical properties of synthetic diamonds are same as natural diamonds in terms of hardness, thermal conductivity, and strength. HTHP and CVD are the two main methods for making laboratory-grown diamonds. High temperature and high pressure method (HTHP) uses graphite as raw material. HPHT diamonds are manufactured at a pressure of 5-6 GPA (approximately the pressure produced by a commercial jet landing on a human fingertip) and a temperature of 1300-1600°C. CVD diamonds come from various gases, such as methane. They are stored in a vacuum chamber, which decomposes the molecules of the gas, and then these molecules gather on the pre-existing diamond seeds.

Round cut is the most common cut. Fancy shaped lab diamond, also known as gardener cut diamond, refers to diamonds other than standard round diamonds. The common fancy shape lab diamonds include pear shaped, marquise shaped, princess, radiant, emerald cut, heart, oval shape, etc.

Asscher cut was first introduced in 1902. It was created by the Asscher Brothers of Holland’s Asscher Diamond Company.

Asscher cut looks similar to emerald cut. The most obvious difference is that Asscher cut is square, and emerald cut is rectangular. This cut has large step facets and a high crown that produces a brilliance unlike any other diamond shapes.
Although Asscher cut is known as a square shape, it actually is has some octagonal since all four corners are cropped. However, once the diamond is mounted into a four-prong setting these cropped corners are not noticeable .

Parameters of Fancy Cut Lab Diamonds

Fancy Cut Lab Diamonds Details
Brand Name Yuda Crystal
Name Fancy Cut Lab Diamonds
Diamond Color DEF
Diamond Clarity VVS-SI
Diamond Carat Weight 0.50-1.00 carat
Diamond Cut Excellent, Very Good,Good
Polish Excellent, Very Good,Good
Symmetry Excellent, Very Good,Good
Technology HPHT
Size 4mm - 7mm
Shape Fancy Shape
Diamond Enhancement None
Available Type HPHT, CVD
Diamond Certificate None
Application Jewelry Decorations Rings Earring Necklace
Place Of Origin Zhengzhou, China
Delivery Time 1 - 7 Working Days Base on Order Quantity
Payment Terms 100% Payment In Advance
Payment Methods T/T, PayPal, Western Union, Bank Transfer
Shipping way DHL, FedEx, SF Express, UPS, EMS, TNT etc
M.O.Q Negotiable
Diamond Type Synthetic(lab created)
Location Zhengzhou, China
Treatments Applied None
Fire Dispersion 0.044(Same as Natural Diamond)
Brilliance Refraction Index 2.42(Same as Natural Diamond)
Relative Density 3.52(Same as Natural Diamond)
Chemical Composition Carbon(Same as Natural Diamond)
Moh's Hardness 10(Same as Natural Diamond)

Lab Diamonds Introduction

Natural diamonds are created by nature and are the result of high temperature and pressure formed over billions of years. The Rough Lab Grown Diamonds are produced in the laboratory, usually in a few weeks. The chemical difference between the two is same.

So how do you distinguish between Rough Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Rough Lab Grown Diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. By zooming in, professionals will be able to discern subtle contrasts in diamond inclusions grown and mined in the laboratory.

The Difference Between Lab Diamond And Natural Diamond
Properties Earth Mined Lab Created
Guaranteed Conflict-Free No Yes
Hardness (MOHS) 10 10
SP3 Carbon Diamond Bonds (%) 100% 100%
Internal Crystal Structure Face-Centered Cubic Face-Centered Cubic
Hardness Comparable 2.42 2.42
Relative Diversity 3.52 3.52
Color Diffusion 0.044 0.044
Color Various Grades K to D grades
Price $$$$$ $$$

Fancy Cut Lab Diamonds Details

4mm 7mm DE VS Fancy Cut Lab Diamonds 0.5ct To 1 Carat Asscher Cut Diamond


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