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Adesva Gems

Name: Adesva Gems
Address: Colombo, LK
Telephone: +94769794402

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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Adesva Gems, Jewellery wholesaler, Colombo.

28/08/2025

Is Sapphire same as Diamond?

A sapphire is a mineral but it is not diamond even though a diamond is a mineral as well. They are both different types of minerals. Sapphires are a variety of the mineral corundum, which is an aluminum oxide. Various elements found within the sapphires cause different hues. For example, iron causes blue, titanium causes yellow, and chromium causes purple.

30/07/2025

South African Diamonds

Diamonds were first discovered on the shores of the Orange River. After several “rushes,” abundant “diamond fever,” and a turbulent period of changing ownership, nearly all the deposits were under control of De Beers Consolidated Mines, Ltd. by 1888. De Beers is now part of Anglo American, a huge conglomerate that also owns the rich gold mines of the Rand in South Africa. South African diamonds are among the world’s most famous, and such mines as Premier, Jagersfontein, Bultfontein, Dutoitspan, and Wesselton are famous for their output. South Africa is still a world leader in diamond production, but large stones are becoming very scarce.

29/07/2025

Finance of Emeralds

Emeralds are not that closely associated with material wealth. The closest historical example is the Emerald Tablet, which is considered to be the founding principles of 17th century alchemy. Multiple legends attribute what was written on it to Thoth, the god of knowledge from Egypt.

The primary reason for the newer association with wealth to emeralds is through paper money typically being green. This is backed up by the general principles of prosperity being associated with green. Remember, green brings to mind spring and summer – times when fruits and meat are bountiful in nature.

25/06/2025

Social Harmony and Sapphire Symbolism

Royalty often wore sapphires for dual purposes. Not only did the stone reputedly attract wealth, it also purportedly protected the wearer from envy and infidelity. Traditionally, people attributed to this gem the power to bring harmony between lovers as well as peace between adversaries. In addition, sapphires were said to put one at ease in social engagements and banish fraud. Those involved in legal matters could benefit especially from the stone’s powers. Of course, provided they were innocent!

19/06/2025

Sapphire Lookalikes

Due to the popularity of blue sapphires, other natural blue gemstones may be used to simulate their appearance. Glass, plastic, and other synthetic materials may also be used. Sometimes, they may be misidentified as sapphires, either accidentally or deliberately in order to sell them for higher prices. Although consumers may find some lookalikes difficult to spot, professional gemologists can usually distinguish these gemstones with standard tests.

Although blue remains the most well-known and expensive sapphire color, you might also encounter simulated pink and padparadscha sapphires as their popularity increases.

Some of look alike gems are Iolite, blue spinel, and blue topaz.

13/06/2025

What Causes Emerald Color?

Emerald is a medium or darker green to blue-green beryl gemstone, in which the green color is derived from impurities of chromium (Cr), vanadium (V), or a combination of both. Before 1963, the definition of emerald was limited to beryls with chromium impurities, but the discovery in Brazil of a large deposit of beryl stones colored green by vanadium led to modification. According to the modern definition, the purity and saturation of the green color of a beryl is what defines an emerald.

12/06/2025

Yellow and Orange Sapphires

Yellow sapphire is also available in a variety color saturations from yellow to orangy yellow and in light to dark tones, while orange sapphires have deep golden, to mandarin, and deep orange colors.

Yellow sapphires may be affected by other colors within the same gem and can range from light to dark greenish yellow to orangy yellow with weak to intense color saturation. The finest yellow sapphire is yellow to orangy yellow with vivid saturation.

Orange sapphires range from yellowish orange to reddish orange. The finest orange sapphires are strong, pure orange to red-orange with medium tone and vivid saturation.

11/06/2025

Key Characteristics of Sapphires:
Mineral Composition:
Sapphires are composed of the mineral corundum (aluminum oxide).
Hardness:
They have a hardness of 9 on the Mohs scale, making them one of the hardest gemstones, second only to diamonds.
Color:
The color of a sapphire is determined by trace elements present in the corundum crystal.
Origin:
Sapphires are found in various locations around the world, including Sri Lanka (Ceylon), Kashmir, Madagascar, and Tanzania.
Uses:
Sapphires are widely used in jewelry for their beauty and durability, and they also have functional applications in areas like optics and electronics.

04/06/2025

June Birthstone

June birthstone is pearl. This enchanting June birthstone originates from oceans, lakes and rivers around the world. It is a timeless wardrobe staple, beloved by women of all ages. The origin of pearls fascinated our forebears. Ancients from the Middle East believed that pearls were teardrops fallen from heaven. The Chinese fancied that the June birthstone came from the brain of a dragon. Christopher Columbus and his contemporaries thought that mollusks formed pearls from dew drops.

30/05/2025

May birthstone

The May birthstone is emerald. Emeralds are known for their vibrant green color and have been prized for centuries, symbolizing wealth, beauty, and status. They are often associated with rebirth, renewal, and growth.

27/05/2025

Are People Still Buying Diamond Engagement Rings?

Yes, without a doubt. Nearly 80 percent of couples choose a diamond engagement ring to mark their love story. Classic round diamonds remain the most popular, but shapes like oval and pear are gaining momentum along with vintage-inspired designs.
Self-purchasing is also growing fast. More women are celebrating milestones and personal achievements by choosing their own diamond jewelry. These purchases reflect independence and intention and are just as meaningful as traditional gifts.

23/05/2025

European Gemstones by Country

Czechoslovakia

● Moldavite

● Garnet (often called Bohemian garnets)

Finland

● Spectrolite

Norway

● Thulite

Spain

● Adventurine

● Agate

● Quartz

United Kingdom (UK)

● Flourite

Russia’s Gemstones

● Alexandrite

● Amber

● Charoite Chrysoberyl

● fieldspar

● Lapis Lazul

● Malachite

● Nephrite

● Beryl

● Quartz

● Rhodonite

● Topaz

● Tourmaline

● Garnet

● Diamond

● Emerald

Slovakia

● Slovakian Precious Opal

Address

Colombo

Telephone

+94769794402

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