Platform D4U WEB CO.,LTD.
(Platform for the Gem , Jewelry & Related Industries
)
About Us
Help(Information)
Fair & Jewelry Exhibition
Comparison Clarity & Quality
Weight Conversion Table
Ring-Size Comparison Table From Around The World
Specific gravity & melting point
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Ruby
Sapphire
Cutting & Stone Info
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Shape
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Selection And Puchase Help Stone& Stone Cutting
Cutting Detail ( Gems - Cutting )
Stone Selected By Color
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Diamond Size And Weight Chart
Diamond Comparison Chart
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Gold Karat Used Around The World
Weight comparison
Size comparison
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Gems-Online
Amethyst Uruguay
Detail
Price Chart
Weight Chart
Amethyst Brazil
Detail
Price Chart
Weight Chart
Ametrine
Detail
Price Chart
Weight Chart
Aquamarine
Detail
Price Chart
Weight Chart
Amber
Detail
Price Chart
Weight Chart
Citrine
Detail
Price Chart
Weight Chart
Emerald
Detail
Price Chart
Weight Chart
Iolite
Detail
Price Chart
Weight Chart
Mozambique Garnet
Detail
Price Chart
Weight Chart
Opal
Detail
Price Chart
Weight Chart
Peridot
Detail
Price Chart
Weight Chart
Quartz
Detail
Price Chart
Weight Chart
Rhodolite
Detail
P
rice Chart
Weight Chart
Ruby
Detail
Price Chart
Weight Chart
Quality
Sapphire
Detail
Price Chart
Weight Chart
Quality
Tanzanite
Detail
Price Chart
Weight Chart
Topaz
Detail
Price Chart
Weight Chart
Tsavorite
Detail
Price Chart
Weight Chart
Tourmaline Green
Detail
Price Chart
Weight Chart
Tourmaline Pink
Detail
P
rice Chart
Weight Chart
Agate
Detail
Lapis Lazuli
Detail
Malachite
Detail
Turquoise
Detail
Gems-Cutting
Drawing Of Shapes, Facets & Cutting
Shapes Detail
Shapes
Cabochons Sideview Detail
Cabochons Sideview
Standard Cut Detail
Standard Cut
Standard Cuts With Fancy Shapes
Fancy Cut Detail
Fancy cut
Diamond Cuts Detail
Heart
Marquise
Oval
Pear
Rectangle
Round
Semi
Square
Star
Forms Detail
Forms
Cut Stone
Cabochons
Transparent :
Transparent ::
Semi Translucent
Semi Translucent Opaque
Star & Catseye
Carved Transparent :
Carved Transparent ::
Single & Collector Stone
Precious Stones :
Precious Stones ::
Semiprecious Stones :
Semiprecious Stones ::
Semiprecious Stones :::
Collector Stones :
Collector Stones ::
Fancy Cut & Laser Cut
Fancy Cuts :
Fancy Cuts ::
Fancy Cuts :::
Multifaceted Cuts
Lasercuts Stones :
Lasercuts Stones ::
Lasercuts Stones :::
Lasercuts Stones ::::
Lasercuts Stones :::::
Multifaceted
Special Cuts :
Special Cuts ::
High Precision Cuts :
High Precision Cuts ::
Illusion Cuts
Cut To Fit
Cut To Fit :
Cut To Fit ::
Cut To Fit :::
Cut To Fit ::::
Cut To Fit :::::
Cut To Fit ::::::
Ultra Gems
Ultra Gems :
Ultra Gems ::
Ultra Gems :::
Ultra Gems ::::
Ultra Gems :::::
Interlocking Gems
Interlocking Stone :
Interlocking Stone ::
Interlocking Stone :::
Interlocking Stone ::::
Interlocking Stone :::::
Carving & Engraving
Cameo
Internal Carvings
I
nternal & External
Multigemstone Carvings
Diamond-world
Carat
Clarity
Color
Color grading
Fancy color
Cut
Cutting
Jewelry Online
Ethnic Jewelry
Catalog
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Setting
Schmuck Maxx
What we do?
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About Piercing
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Silver Master
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Our Design
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Jewelry-Books Library
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Amethyst
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Tanzanite
Topaz
Yellow Sapphire
Diamond Recovery
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Buff Top
Cabochons
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Product & Market Info
Topaz
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Tourmaline
Alexandrite
Opal
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Gemstone Gallery
Market Servey
Library
Amazing fact of gemstones
A-Z Revolution Diamond Cuts
Gems & Jewelry Glossary
Jewelry Book Search
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Bangkok Gems And Jewellery
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World of Gold Jewelry & Watches
Gem Research SwissLab
Manee
Overview Gem & Jewelry Magazines
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About d4uweb qc
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Demantoid garnet
Location and name
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Artofpencil.net
Gemgateway.com
Fashionstatements.info
Mayak.asia
Mayakjewelry.com
Stylingidea.com
Styling.xyz
Decentstone.com
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Overview
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