Jewellery & Watch

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Jewellery & Watch Suppliers and Manufacturers

Tomax Industries Ltd

Natural gemstone rings Gem stone rings moonstone Aquamarine Ruby opal Amethyst turquoise charoite beads Citrine Garnet Golden Sun Stone (Oligoclase) Calcentin Korit kunzite Hiddenite Super Seven  #Ring #Rings 

Rings

Cubic Craft Limited

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.   Grown way: ***Czochralskimethod 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 Sapphire Cornflower & Royal Blue Fancy Shape

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 Grown Padparadscha, Cushion 8x10, VVS, VS,1-10CTS

Lab Alexandrite- 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 Grown Alexandrite, Round 6,7,8,9,10,11 VVS, VS,1-10CTS

Lab Grown Alexandrite, Asscher 6x6,8x8,10x10, VVS, VS,1-10CTS

JLR Co., Ltd.

 Featured here is a stunning selection of minute ruby stones. These fabulous gems come in an intense blood red color. They are suitable for use in various types of jewelry. 
 
  Exquisite and glamorous. 
  Loose ruby stones. 
 

Loose Ruby

Nice Diamond Co Ltd

This elegant ring features a stunning 3.02 carat Burma ruby, certified by Gem Research Laboratory (GRL) as pigeon blood color with heating. The vibrant center stone is beautifully complemented by 2.67 carats of brilliant diamonds, enhancing its richness and fire. Expertly crafted in PT900 platinum, with a total weight of 12.90 grams, this refined piece represents classic luxury and timeless sophistication.  

Ruby Ring

Inter-Pacific Holdings Limited

 Biron® Lab-grown Ruby  The brightest and most valuable shade of red for rubies is called blood-red or pigeon blood. Stones of this color command a large premium over rubies of similar quality but of other shades of red. Our lab-grown rubies are grown in a controlled environment that simulates rubies’ natural growth environment. As they are carefully grown, gorgeous color and consistent quality are possible. All rubies are gem quality with no inclusions visible to the naked eye.  A ruby’s cut is one of the primary factors that determines its value as well as its overall beauty and appeal. Rubies can be cut into many shapes and sizes. The most popular cuts are cushion and oval. Round, triangular, emerald-cut, pear, and marquise rubies are also available.  Customized shapes and cuttings are available on order basis. Pear:It is shaped like a drop of water and the brilliance produced is a combination of that for round, oval and marquise cuts.  Product DescriptionProduct NameBiron® Lab-grown RubyGemstone TypeLab-grownSpeciesCorundumChemical CompositionAl2O3Aluminum OxideMohs' hardness9Refractive Index1.762-1.778Double Refraction-0.008Dispersion0.018(0.011)S.G.(Density)3.97-4.05Crystal SystemTrigonal   

Biron® Lab-grown Ruby, Pear Shape

Sunking (Global) Company Limited

Material:316LStainless Steel Plating: PVD/ Ion Plating - 2 Quality (Standard / Supreme) Plating Thickness: Standard level: 0.5um TICN+0.05-0.06umAU Duration: last more than half a year Supreme level:1.02um TICN+0.1umAU Duration: last more than1 year Component:Zirconia Feature:RoHs compliance •Anti-tarnish •Hypoallergenic • Waterproof Certificate:BSCI•ISO Lead Time:35 days Option:Epoxy Coating for extra protection for glued stones 

Zirconia Stainless Steel Hook Clasp Bangle

Yong Tai Gems Co Ltd

These are some examples of jewellery grade ruby and sapphire stones we can supply. The rubies and sapphires are crystal clear and with good colour and clarity. The precious gem stones are ready to be placed on valuable fine jewellery pieces to radiate their sparkles and reflections.
   Available in diamond sizes   Fancy cutting ruby and sapphires also available   Suitable for ruby rings, ruby pendant and ruby earrings   Polished ruby made with Berma ruby   Polished sapphire made with Sri Lanka and Madagascar sapphire  

Fancy Cut Ruby and Sapphire

AP Gems (HK)

 	 Ruby mix shape 	 Heated oval cut 	 GRS pigeon blood &amp; intense red  

Ruby by APG

Natural gemstone rings Gem stone rings moonstone Aquamarine Ruby opal Amethyst turquoise charoite beads Citrine Garnet Golden Sun Stone (Oligoclase) Calcentin Korit kunzite Hiddenite Super Seven 

Gems Trading Co

 When Defining a precious stone, the Ruby has all the qualifying elements includeing brillant coloring, hardness, vividness and more.&nbsp; It&#39;s incomparable color and transparency is this gems most important feature.&nbsp; The inclusions found amongst the Ruby are actually considered more like finger prints, giving each and every one of this gem uniqueness and individuality.  &nbsp;  	 Origin : Mozambique 	 Shape : Oval 	 Carat : 4.06ct 	 Remark : Unheated, Vivi Red with GRS Certificate.  

Ruby Natural

 UsageDiy Jewelry AccessoriesApplicationPendant Ring Necklace Jewelry MakingColor100% Natural ColorProduct nameRuby ZoisiteQualityTop Grade    

Anyolite-Natural Beads String 2x2mm Cube

Lab Created Ruby

Nefertiti Group Ltd

Res Stone Flower Earring  ModelNF1167E-1A-C-P10Jewelry TypeEarringColor14K GoldMain StoneRed stoneSize(OD)25.5*19.3MMMain MaterialBrass, Gold PlatedPlatingImitation Gold PlatedWeight13.9g BrandNefertitiMOQ60Place of OriginGuangdong，ChinaGenderWomen's,Men's,UnisexOccasionAnniversary, Engagement, Gift, Party, WeddingStyleTrendyODM&amp;OEMWelcomeLead Time14-35daysSampleAvailableSample Time7-14days If you would like to know more about our Red Stone Flower Earring , don't hesitate to reach out to us! 

Res Stone Flower Earring

Graceful Jewellery Co

 	 GRS Certified 	 Unheated Ruby. 3.03 ct 	 Pigeon&#39;s Blood Color  

Unheated Mozambique Ruby

Premier Color Source Inc

Mozambique Ruby no heat

Gem Centre

This GRS certified &quot;Pigeon Blood&quot; Ruby is of top quality. With a weight of 3.03ct, the shape and proportions of this stone are exceptional. Please get in touch for further details!

Ruby GRS Certified

Real Gems Company Limited

Burma Ruby Match Pair

Color Rocks HK

 	 Cts: 20.43 	 Pcs: Many 	 Color Stone: Ruby 	 Shape: Oval 	 Modification: Cut 	 Size: 5 x 3 	 Origin: - 	 Category: - 	 Certification: No  

Ruby Lot

Gold Source Jewellery Ltd

18K Yellow Gold, Ruby and Diamond Ring Diamond weight: 3.18ct Color stone weight: 6.51ct 

Gold & Ruby Cocktail Ring

Takat Gems SR Limited

Twenty-one faceted gemstones set in a necklaceTotal weight of rubies: 420.4ctBrilliant cut/ step cut#ruby gemstone #ruby gem stone #ruby #necklace #necklaces #pearl necklace 

Ruby Gemstone Necklace

HONG KONG ZERAN TRADING LIMITED

Myanmar ruby ring, the main stone obtained the pigeon blood red rating of GRS Gem Laboratory, the main stone weight of 5.19 carats, Ruby from Mogok, Myanmar 

My Sourcing