Jewellery & Watch

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Jewellery & Watch Suppliers and Manufacturers

Loose Stones & Raw Materials

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Loose Stones & Raw Materials Suppliers and Manufacturers

Loose Diamonds

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Loose Diamonds Suppliers and Manufacturers

BAOZUAN(HK)LIMITED

RUBY GEMSTONES Colour: red Size: 0.8mm-2.0mm, Clarity: A- to A++   

RUBY  (GEMSTONE)

Apple Green Diamond Inc

Diamondlite ruby&nbsp;
Natural Burma Ruby Rough of very fine color is recrystallized to produce the fine quality of Ruby. 	 Sizes up to 50cts. 	 Easy to mount on different jewelry.  

Diamondlite Ruby

Diamondlite Ruby - Natural Burma Ruby Rough of fine quality

Hsin Yi Gems (HK) Co Ltd

This is a synthetic ruby with an oval cut. It comes with a charming red hue and has exquisite facets for dazzling luster at all angles. This ruby is a nice choice for different kinds of trendy jewelry.
<ul>
	<li>Excellent craftsmanship.</li>
	<li>Other designs are available.</li>
</ul>


Synthetic Ruby

Synthetic Ruby with oval cut and charming red hue

Synthetic Ruby #8 Corundum Double Checker Cut / Double Turtles Round Shape We provide different type of gemstone - synthetic corundum, synthetic spinel, cubic zirconia, nano and glass etc. Available in different cuttingWith wide-range of sizes and shapesPerfect for jewelry setting like pendants, necklaces, bracelet, earrings and ringsFine polished &amp; Nicely facetsResist heat upto 800°C

Synthetic Ruby#8 Corundum  Double Checker Cut Round Shape

Synthetic Ruby 8 Corundum Double Checker Cut Round Shape

Synthetic Ruby #8 Corundum Checker cut flat / checker board Round Shape We provide different type of gemstone - synthetic corundum, synthetic spinel, cubic zirconia, nano and glass etc. Available in different cuttingWith wide-range of sizes and shapesPerfect for jewelry setting like pendants, necklaces, bracelet, earrings and ringsFine polished &amp; Nicely facetsResist heat upto 800°C

Synthetic Ruby #8 Corundum checker cut flat / checker board Round Shape 

Synthetic Ruby 8 Corundum checker cut flat round shape

An epitome of magnificence, this synthetic ruby stone displays a flawless oval silhouette and boasts surpassing beauty to all kinds of your jewellery pieces from necklaces to earrings. With different types of gemstone, various sizes and shapes available, you can always get the most suitable one to satiate the demand of your jewellery craft project.  • Flaunt a clean oval silhouette. • Seamlessly complement your jewellery piece with surpassing beauty. • Boast masterful and exquisite craftsmanship. • Different types of gemstone are available. • Include: synthetic corundum, synthetic spinel, cubic zirconia, nano, glass. • Different cutting is available. • Feature a vast variety of sizes and shapes. • Ideal for different jewellery settings. • Include: pendants, necklaces, bracelet, earrings, rings. • Fine polished and nicely faceted. • Heat resistance of up to 800°C. 

Synthetic Ruby #05 Corundum Oval Shape

L J West Diamonds

Rare collection of 0.30cts Fancy Red VS1 GIA with Argyle Cert [#6158]. We carry a wide range of natural fancy color diamonds , with GIA and/or Argyle Certificates. 

Argyle Red Diamond

Argyle Red Diamond - Rare collection of fancy color diamonds

Rainbow Gems (HK) Ltd

This argyle diamond has a rose-cut&nbsp;design for&nbsp;the highest radiance. This diamond is extremely precious and expensive. This diamond is pink in color for&nbsp;adding uniqueness and elegance.   Material: diamond.   Available in different colors and designs.  

Rose-Cut Diamond

Rose Cut Diamond with unique pink color and elegance

Dhanush Labgrown Private Limited

Premium IGI Certified CVD Lab Grown Diamonds Dhanush Labgrown Private Limited offers high-quality CVD lab grown diamonds in sizes ranging from 1.00 to 7.00 carats. Our diamonds are available in DEF color with VVS to VS clarity, ensuring exceptional brilliance and precision cutting. Each diamond is IGI certified and carefully graded to meet international standards. With consistent supply capacity and strict quality control, we cater to global wholesalers, jewelry manufacturers, and luxury retailers. We specialize in white lab grown diamonds with excellent make, superior polish, and symmetry. Custom requirements and bulk orders are welcome. 

Fancy RED Lab Grown Diamond

SAPPHIRE GEMSTONES Colour: bule Size: 0.8mm-2.0mm, Clarity: A- to A++   

(GEMSTONES) SAPPHIRE  

Hini Star Ltd

The Optica Rozo diamond series represents the ultimate symbol of love and reminds us that love is universal. A precise 56 facets create the rose cut which sparkles with a shimmering rose-shape pattern, evoking the fire of passion while epitomizing a perfect alliance of beauty, purity and mystery. Optica Rozo diamond series.Represent the ultimate symbol of love.Remind us that love is universal.Precise 56 facet rose cut.Sparkle with a shimmering rose-shape pattern and evoking the fire of passion.Epitomize a perfect alliance of beauty, purity and mystery.

Optica Series – Rozo Diamond Series

Optica Rozo Diamond Series symbolizes love with a rose cut.

Cubic Craft Limited

Lab padparadscha-  Customization guide:Adjustable parameters include size (0.5-20 carats) and color intensity to match specific design needs. For bulk orders,uniformity ensures seamless pairing in multi-stone jewelry sets.  We can cut many shape as you like:   Grown way: ***Czochralski method is a core technology for growing single-crystal gemstones from a melt.This method is homologous with the technology used industrially to grow semiconductor silicon single crystals. Its coreprinciple is as follows: 1.Raw Material Melting:The gemstone's raw materials (e.g., aluminum oxide Al2O3 and dopants) are placed into ahigh-temperature-resistant crucible (e.g., iridium, molybdenum, or graphite crucibles) and heated to extremely hightemperatures (e.g., synthetic ruby requires heating above 2050℃) using induction coils or resistive heating untilcompletely melted.2.Contact and Crystallization: A small, oriented natural or synthetic gemstone seed crystal is slowly lowered and broughtinto contact with the melt surface.3.Pulling and Rotation: Under strictly controlled conditions, the seed crystal is slowly pulled upward while simultaneouslyrotating. The melt at the interface between the seed crystal and the melt continuously cools and crystallizes according tothe crystal structure of the seed, thereby growing a single crystal gemstone with the same orientation as the seed.4.Process Control: The entire process requires precise control of temperature gradient, pulling rate (typically 6-15millimeters per hour), and rotation speed to ensure uniformity and quality of crystal growth.Common steps in the process include "necking, shoulder expansion, diameter control, and tailing" to optimize the crystalstructure.Gemstone crystals grown by this method exhibit high optical homogeneity, low dislocation density, and can be grown tolarge sizes.It is one of the primary production methods for high-quality synthetic gemstones, especially corundum family gems.   

 Lab Padparadscha, Heart Shape gemstones 8x10, VVS, VS,1-10CTS

Lab Padparadscha, Heart Shape gemstones 8x10

Hi Star Limited

Diamond 

Lab Grown Stones-very popular in the market Lab color gems, lab grown stones is like natural stones. Only some color (Paraiba, tsavorite) is YAG. Others same as natrual stones. They like lab diamond, instead of natural stones market. You can pay small money and get the same beatiful gemstones. Setting into the jewelry.     We can order as your picture drawing. Tell us the color, shape, size you want. We only use high quality rough to cut lab grown gems, the market mixed with cheap rough, with black point, crack , not clearn, color no good... Please pay attention to it.  

Lab Grown stones Emerald, Sapphire, Ruby, Paraiba, Alex, Padparadscha, Colbalt spinel

Lab Grown Stones Emerald, Sapphire, Ruby, Paraiba, Alex, Padparadscha

Lab Sapphire Royal Blue Oval

We can cut many special cut in many CZ color. Lucky rose cut have round shape and 8 sides shape like picture. cut from 6mm above, if no stock, the M.O.Q. is 500PCS. 

color CZ lucky rose cut

WuZhou Tian Yu Gems Co.,Ltd

Custom gemstone material selectionGemstone options: moissanite, lab grown diamond, emerald, ruby, sapphire, pearl, cubic zirconia, othersStone shaped cutting options:hearts and arrows cut, round brilliant cut, oval cut, pear cut, asscher cut, radiant cut, emerald cut, marquise cut, heart shaped cut, square princess cut, rose cut, crushed ice cut, oec cut, old mine cut, antique cut, french cut, ashoka cut, lucere cut, criss cut, octiva cut, portrait cut, baguette princess cut, baguette step cut, tappered baguette cut, rectangle cut, rectangle flat cut, trillion cut, triangle, baguette, diamond, hexagon, five-pointed star,othersStone size option:Support customizationAll of our moissanit are hand-cut. Hand-cut moisanite is more perfect than machine-cut. Because hand-cut mossanite can achieve 3EX grade, but machine-cut can't. That's why machine-cut ones are cheaper than hand-cut ones.Custom jewelry material selectionMetal options: 10K / 14K / 18K / Platinum / 925 Sterling Silver + Gold FilledJewelry type options:Ring, earrings, chain link, choker, pendant necklace, bracelet, bangle, anklet, watch, grillz, jewellery set, othersJewelry design option:Send us the design pictures or video you want to customize.Any questions or requests pls contact us freely.Jewelry Size option: CustomizedOur advantage* No.1 highly recommended Chinese jeweler in Reddit* 1 to 1 professional 24H online service* High quality handmade gemstone and jewelry* Heavy setting* 22 years of production experience in the jewlery industry 

Lab Grown Diamond Loose Alexandrite/ Sapphire/ Ruby/ Emerald Lab Gemstone

Lab Grown Diamond Loose Alexandrite Sapphire Ruby Emerald Lab Gemstone

Gem Diamond Corp

   A truly unique pair of diamonds.   One is an intense pink marquise and the other a fancy green cushion.   These are the rarest colors diamonds can be found in and are limited on the market.  

Pink and Green Diamond

S. Jewels (HK) Limited

 	 Fancy color diamonds. GIA certified fancy color diamonds  

Fancy Color Diamond

Srs Exports (HK) Limited

TTLB - Dark Brown Diaonds &amp; Single Cut Diamonds

Diamonds

Lab padparadscha- Customization guide:Adjustable parameters include size (0.5-20 carats) and color intensity to match specific design needs. For bulk orders,uniformity ensures seamless pairing in multi-stone jewelry sets.  We can cut many shape as you like:   Grown way: ***Czochralski method is a core technology for growing single-crystal gemstones from a melt.This method is homologous with the technology used industrially to grow semiconductor silicon single crystals. Its coreprinciple is as follows: 1.Raw Material Melting:The gemstone's raw materials (e.g., aluminum oxide Al2O3 and dopants) are placed into ahigh-temperature-resistant crucible (e.g., iridium, molybdenum, or graphite crucibles) and heated to extremely hightemperatures (e.g., synthetic ruby requires heating above 2050℃) using induction coils or resistive heating untilcompletely melted.2.Contact and Crystallization: A small, oriented natural or synthetic gemstone seed crystal is slowly lowered and broughtinto contact with the melt surface.3.Pulling and Rotation: Under strictly controlled conditions, the seed crystal is slowly pulled upward while simultaneouslyrotating. The melt at the interface between the seed crystal and the melt continuously cools and crystallizes according tothe crystal structure of the seed, thereby growing a single crystal gemstone with the same orientation as the seed.4.Process Control: The entire process requires precise control of temperature gradient, pulling rate (typically 6-15millimeters per hour), and rotation speed to ensure uniformity and quality of crystal growth.Common steps in the process include "necking, shoulder expansion, diameter control, and tailing" to optimize the crystalstructure.Gemstone crystals grown by this method exhibit high optical homogeneity, low dislocation density, and can be grown tolarge sizes.It is one of the primary production methods for high-quality synthetic gemstones, especially corundum family gems.   

Lab Padparadscha, Octagon(Emerald shape) 8x10, VVS, VS,1-10CTS

Lab Padparadscha, Octagon Emerald shape 8x10, VVS, VS, 10CTS

We provide different type of gemstone - synthetic corundum, synthetic spinel, cubic zirconia, nano and glass etc. Available in different cuttingWith wide-range of sizes and shapesPerfect for jewelry setting like pendants, necklaces, bracelet, earrings and ringsFine polished &amp; Nicely facetsResist heat upto 800°C

Cubic Zirconia Machine Cut Pink Color Triangle Shape

The Optica Floro is a very special cut diamond, revealing glistening petals of such delicacy that you are transported to a soft swaying summer breeze.
&nbsp;
This is a virtuoso design performance of 77 facets inspired by flora that sparkles in three dimensions offering different interpretations of nature&rsquo;s flowers.

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