Lab Grown Ruby Various Shape Pigeon Blood Red Charms Gemstone for DIY Jewelry Making Materials Selectable Certificate
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Estimated Delivery:Jun 10 - Jun 14
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Free Shipping & Returns: On all orders over $75
Lab Grown Ruby Various Shape Pigeon Blood Red Charms Gemstone for DIY Jewelry Making Materials Selectable Certificate
SPECIFICATIONS
Application: Jewelry Making
Brand Name: NONE
Certificate: Yes,AGL
Certificate Number: As Certificate Number
Certificate Type: Third Party Appraisal
Fine or Fashion: Fine
High-concerned chemical: None
Item Height: Standard
Item Shape: Round Shape
Item Type: beads
Item Weight: 0.117ct--12.5ct
Main Stone: Ruby
Metals Type: None
Model Number: Standard
Origin: Mainland China
Lab-grown rubies are gemstones synthesized in an artificially controlled environment by simulating the geological conditions for the formation of natural rubies. Their chemical composition is the same as that of natural rubies (Al₂O₃). They appear red due to the presence of chromium elements, but their growth process is completely carried out in the laboratory and has the following characteristics:
I. Synthesis Methods and Technological Progress
Verneuil Method
Principle: Mix aluminum oxide powder with a colorant (such as chromium oxide), heat it to a melting state at a temperature above 2000°C through a hydrogen-oxygen flame, and then let it drip onto a rotating base and solidify layer by layer to form crystals.
Flux Method
Principle: Dissolve aluminum oxide in a flux (such as lead borate) at a high temperature (1300 - 1600°C), and then cool it slowly to make the crystals precipitate.
Characteristics: The crystals are closer to natural rubies, containing platinum flakes or flux residues, and are often used in high-end jewelry.
Hydrothermal Method
Principle: Use an aqueous solution as a medium in an autoclave to simulate the underground hydrothermal environment, enabling rubies to grow on the seed crystals.
II. In the Field of Jewelry
Jewelry Inlay: Lab-grown rubies have become the mainstream choice to replace natural gemstones due to their bright colors and affordable prices.
III. Environmental Protection and Sustainability
Reduced Mining: Lab-grown rubies do not require the destruction of the ecological environment of mining areas. For example, in places like Mogok in Myanmar, excessive mining has led to environmental degradation.
Energy Consumption: Some enterprises use green energy sources (such as solar energy) for production, reducing carbon emissions.
Circular Economy: Ruby scraps can be reused through regeneration technology, reducing resource waste.
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All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do you ship internationally?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What is your return policy?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What are your sizing options?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.