Star Lanka - Cuprian Tourmaline

Star Lanka - Cuprian Tourmaline

Starlanka, founded in 1985, has been steadfast in its pursuit of excellence in the realm of gemstones. Guided by an unwavering passion for their intrinsic beauty, we meticulously curate each gemstone, forging strong relationships with miners and artisans worldwide to bring our customers an unparalleled selection of treasures.

Each gemstone that graces our collection undergoes a meticulous selection process, ensuring that only the finest specimens with exceptional characteristics make their way to our discerning clientele. We believe in cherishing the uniqueness and individuality of each gem, recognizing that they carry their own distinct story and allure.

Our extensive network of relationships with miners and artisans spans the globe, allowing us to curate an unparalleled collection of gemstones that captivate the senses and stir the imagination. From the vibrant hues of sapphires to the fiery brilliance of rubies, our offerings showcase the diversity and splendor of nature's creations.

At Starlanka, we are driven by a commitment to excellence in every facet of our operations. Whether it's procuring rare and exquisite gemstones or providing exceptional customer service, our dedication to perfection shines through in everything we do. We understand that for our customers, each gemstone is not just a stone but a piece of art waiting to be discovered and cherished.

As we continue our mission of sharing the wonder and magic of gemstones with the world, we invite you to embark on a journey of discovery with Starlanka. Explore our collection and uncover the beauty and elegance that lies within each gem. With Starlanka, every gemstone is a testament to the timeless allure of nature's creations, waiting to be treasured for generations to come.

Star Lanka Co., Ltd

No. 234, 2nd Floor, Jewelry Trade Center,

Si Lom Rd, Silom, Bangrak, Bangkok 10500, Thailand

+66 2 630 2629

The Difference Between Natural and Lab-Created Gemstones

The Difference Between Natural and Lab-Created Gemstones

Gemstones have captivated human imagination for millennia, serving as symbols of wealth, power, and beauty. Their rarity and the difficulty involved in extracting them from the earth add to their allure. However, with advancements in technology, it has become possible to create gemstones in laboratories that are visually identical to their natural counterparts. The distinction between natural and lab-created gemstones is an important one, rooted in both their origins and characteristics.

Natural gemstones are formed through geological processes over millions of years beneath the Earth's surface. These processes often involve high pressure and temperature which cause minerals to crystallize into precious stones such as diamonds, sapphires, emeralds, and rubies. Each natural stone carries within it a history—a record of the unique conditions under which it was formed. It is this deep-seated origin story along with their scarcity that often makes natural stones more valuable in the eyes of collectors and enthusiasts.

In contrast, lab-created or synthetic gemstones are crafted by scientists using advanced technological procedures that replicate the conditions under which natural gems develop. While there are various methods for creating these stones, such as flux growth or hydrothermal processes, all aim to produce crystals that share the chemical composition and physical properties of natural gems. This controlled environment not only allows for faster production rates but also offers the opportunity to enhance certain desired qualities such as color or clarity.

Despite these similarities at a molecular level, there remain differences between lab-created and natural stones beyond just their point of origin. One significant difference is price; lab-created gems generally cost less than their natural equivalents due to lower extraction costs and greater availability. For consumers who prioritize ethical considerations like environmental impact or labor practices associated with mining operations—factors often referred to as "conflict-free" sourcing—lab-created gems can provide a more appealing alternative.

Another critical aspect is value retention over time: while both types of gemstones may serve equally well in jewelry from an aesthetic standpoint, natural gems typically hold greater long-term investment value due to their rarity. Collectors prize unique features found within natural stones—such as distinctive inclusions or color variations—that cannot be replicated exactly by synthetic means.

On a practical level for everyday wearers of jewelry featuring gemstones might notice no apparent difference between lab-created vs. naturally occurring ones without expert analysis tools since they look nearly identical on visual inspection alone.

In terms of ecological footprint too there exists a divide; although mining has undeniable impacts on landscapes ecosystems synthesizing gems requires energy potentially contributing carbon emissions depending on how electricity used process generated thus neither option completely free environmental concerns though relative scales impacts differ significantly.

Ultimately choice between purchasing piece adorned either type largely personal decision reflecting combination factors ranging budget aesthetic preferences ethical values long-term financial considerations discerning eye individual wearer ability appreciate subtle nuances encompassed within each stone’s creation story whatever its provenance may be appreciation shared beauty remains constant connecting admirers across divide artifice nature craftsmanship timeless allure these sparkling treasures our world offers untold varieties ways adorn ourselves express identities connect histories cultures spanning globe far reaches stars whence many elements comprising very jewels themselves first came exist eons ago cosmic dust starlight condensed form dazzling array we now treasure hold dear today tomorrow generations come thereafter.


Star Lanka - Chrome Tourmaline

Star Lanka - Matching Pairs

View Colombian Emerald - Star Lanka in a full screen map

Star Lanka - Wholesale Quantity Gems

Star Lanka - Closeout Gem Deals

Entity Definition
Sphene Gems Gemstones known for their exceptional brilliance and dispersion, often yellow-green in color.
Spinel Gems Gemstones that come in a variety of colors, often mistaken for rubies and sapphires.
Tanzanite Gems Blue to violet gemstones found only in Tanzania, known for their unique trichroic nature.
Paraiba Tourmaline Highly prized tourmaline known for its neon blue to green colors, caused by copper content.
Blue Tourmaline Tourmaline gemstones with a blue hue, valued for their vibrant color.


Star Lanka - Fine Jewelry

Citations and other links

Understanding the 4 Cs of Diamond Quality: A Buyer's Guide

Understanding the 4 Cs of Diamond Quality: A Buyer's Guide

When it comes to purchasing diamonds, whether for an engagement ring, a special gift, or personal investment, understanding the value and quality of these precious stones is crucial. The 4 Cs—Cut, Color, Clarity, and Carat Weight—are the globally accepted standards for assessing the quality of diamonds. This essay will guide you through each of these characteristics to help you make informed decisions when buying diamonds.

The first C stands for Cut, which refers not to the shape of the diamond but to how well it has been cut from its rough state. The cut determines how well a diamond reflects light, contributing to its brilliance and sparkle. A well-cut diamond will have facets that are precisely angled and sized to maximize the stone's ability to reflect light back to your eye. Cuts are graded from Excellent down to Poor. An excellent or very good cut can make a diamond appear more brilliant and fiery even if it is lower in carat weight or has slight coloration.

Next is Color, which in terms of diamond quality actually refers to lack thereof. Diamonds are graded on their lack of color since a perfectly colorless stone allows maximum light refraction, leading to greater sparkle. The Gemological Institute of America (GIA) grades color on a scale from D (colorless) through Z (light yellow or brown). While color differences can be subtle, they significantly affect a diamond's value; typically those closer to D are more valuable.

Clarity measures the purity of a diamond by identifying any blemishes on its surface (external flaws known as "blemishes") and internal features called "inclusions." The GIA clarity scale contains eleven grades ranging from Flawless (no inclusions or blemishes visible under 10x magnification) down to I3 (inclusions visible with the naked eye). Most diamonds contain some form of imperfection but finding one that appears flawless without magnification often provides an acceptable balance between beauty and cost.

Lastly is Carat Weight, which people often mistake as relating solely to size when it actually refers to weight. One carat equals 200 milligrams. Larger diamonds are rarer than smaller ones so price increases exponentially with carat weight rather than linearly. However, two diamonds weighing the same may have different costs based on their cut quality, color grade and clarity level.

In conclusion:
- Cut determines how effectively a diamond sparkles.
- Color should be absent or minimal for higher quality.
- Clarity involves evaluating internal and external imperfections.
- Carat weight affects size perception but also contributes heavily towards price due mainly because larger sizes occur less frequently in nature.

Knowledgeable buyers understand that balancing these four aspects according with their preferences and budget can lead them toward making an astute purchase decision. Remembering that each characteristic affects another—for example sacrificing slightly in clarity could allow you get a larger stone within your budget—will aid you in selecting just right gemstone for your needs while ensuring value for money spent on this timeless symbol luxury love commitment celebration!



Star Lanka - Burma Ruby

Frequently Asked Questions

Ethiopian Opal Gems are known for their vibrant play-of-color, displaying a spectrum of colors, and are generally more affordable than Australian opals.

Tsavorite Garnet is known for its bright green color, high brilliance, and durability, making it an excellent alternative to emeralds in fine jewelry.