Lab grown Chatham Blue Sapphire is the gem of truth and loyalty, which makes this gemstone a perfect choice. The rich velvety blue of twilight, sapphire is a peaceful color you’ll never get tired of seeing. Chatham’s lab grown blue sapphires have a silky blue color and pure clarity seen in only the best of mined gems.

What is Chatham gemstone?

Chatham Gemstones are a stunning addition to any one of our rings! These Lab created gemstones duplicate what is found in the nature and have identical chemical properties. They are an affordable way to own a beautiful gemstone at a fraction of the price of a mined gemstone.

What are the different grades of sapphires?

Quality Grade% of All SapphireAAAA (Heirloom)Top 1%AAA (Excellent)Top 10%AA (Very Good)Top 25%A (Good)Top 50 to 75%

What are the best quality sapphires?

The best color for a natural blue sapphire is an intense, velvety, deep royal blue. This color of sapphire would be considered AAA quality, the rarest and most valuable. The second best color is a medium rich blue, or AA quality. Any blue sapphires that have a slight gray undertone fit into the A category.

Are unheated sapphires worth more?

Are natural, no-heat sapphires more rare and valuable? Yes, sapphires that have not undergone any color or clarity enhancement along the supply chain (mine to retail) are rare and therefore more valuable than heated sapphires that are abundant in the market. Are all unheated sapphires the same? No.

What is a Chatham emerald?

Chatham created emeralds have the color of the finest Colombian emeralds… gorgeous green with bluish undertones. They are not imitation emeralds, rather they are REAL emeralds carefully grown in their natural crystal habit, shown left. Most emeralds on the market today are cloudy and not very attractive.

What is a Chatham Alexandrite?

Lab grown Chatham Alexandrite is an emerald by day, ruby by night. Alexandrite’s are a rare variety of the mineral chrysoberyl that changes color from bluish-green in daylight to purplish-red in incandescent light.

What is the highest grade of sapphire?

• Natural AA. These are the top 50%-75% of natural sapphires available. They have a dark blue color and look opaque. …
• Natural AAA. These are the top 20%-30% of natural sapphires available. …
• Natural AAAA. These are the top 10% of natural sapphires available.

What is the rarest sapphire?

Padparadscha Sapphires are the rarest of sapphires. These extremely rare stones are unknown to most, but when discovered usually become an absolute favorite. They are strikingly beautiful and almost no other colored stone compares to this unique mix of pink and orange.

What color of sapphire is most expensive?

In terms of color, pure blue sapphires are the most highly prized, and therefore tend to be the most expensive. This is one of the qualities of the Kashmir sapphire, said to be like “blue velvet” in their appearance.

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How do I know if my sapphire is worth cutting?

Inclusions can look like silk needles, cracks, fissures or opaque knots. When cutting a sapphire it is important to minimize the appearance of these inclusions especially in the top facet of the sapphire. The more visible the inclusions from the top-down, the less desirable the sapphire.

Where are the best sapphires from?

“The three most famous locations for high quality sapphires are Kashmir, Burma, and Ceylon (Sri Lanka),” says Salit. Sapphires are also found in Madagascar, Australia, the United States, Thailand, Vietnam, China, Kenya, Tanzania, and other countries around the world.

How do you know if a sapphire is good quality?

You want to look for a sapphire that has no inclusions visible to the naked eye. experts look at the size, location and number of inclusions to judge clarity. The less visible the inclusions are, the higher the grade. Cut: The cut is essentially what makes a sapphire really sparkle.

What does heating do to a sapphire?

The oldest and most common sapphire enhancement is heat treatment, and the majority of the sapphires in the marketplace have been heat-treated or thermally enhanced in furnaces. Heat treatment is used to improve a sapphire’s color, remove color zoning , and improve clarity.

What are heated rubies?

Heat treatment does not alter the makeup of the Stone. About 10 years ago, rubies with a new form of treatment known as “Lead Glass Filling” came on to the market. This treatment involves taking non-gem quality rubies and filling cavities and fractures in them with lead glass which alters the construction of the stone.

What does untreated sapphire mean?

In very short detail, an untreated sapphire is one that has been taken from the ground and then faceted. Nothing at all was done to the stone to alter the natural beauty, which only elements and process in the earth created naturally. These sapphires are exceptionally more rare and valuable.

Are Alexandrites valuable?

In sizes up to one carat, top-quality natural gems can sell for up to $15,000 per carat. Over one carat, the prices range from $50,000 to $70,000 per carat! For more detailed value information, see our alexandrite buying guide.

How can I tell if my alexandrite stone is real?

Real alexandrite usually changes from something in the green color range in daylight or fluorescent light to something in the red range in incandescent light. If it changes from blue to purple it is almost always a synthetic sapphire. If it is large and very clean internally you can bet it is not real.

Is synthetic alexandrite worth anything?

Synthetic Alexandrite sells to the trade from one company at $167 per carat, with a retail of $500 per carat.

What is Chatham Ruby?

Chatham’s lab-grown rubies have a pigeon’s blood color and a clarity seen in only the very best mined gems. … We start with a naturally mined seed of fine Burmese ruby. We create the perfect environment rich in chromium to give our crystals a vivid red color.

How do you tell if an emerald is real?

The color of the gemstone is often used to indicate its authenticity. Hold your gem up to the light and analyze its color. Real emeralds will showcase a pure green or blue-green hue. Hence, if the stone you are holding displays yellow or brown undertones, it is most likely a fake.

Are lab created emeralds worth anything?

Synthetic emeralds are some of the most expensive synthetic gems. The methods used to create them in labs require expensive equipment. The process is slow and energy intensive, and the yield of facetable material is low. Nevertheless, a lab-created emerald isn’t nearly as valuable as a natural emerald.

What is a peach sapphire?

The term Peach Sapphire refers to a unique subset of the “fancy sapphire” family that has a balanced saturation of pink and orange hues versus the traditional blue hue for which sapphires are most commonly known.

What is the least common color of sapphire?

• Teal and Mermaid Sapphires:
• Padparadscha Sapphires:
• Color Changing Sapphires:
• Star Sapphires:
• Cognac sapphires:
• Pink and Violet sapphires:
• Cornflower blue sapphire:
• Yellow and Orange sapphires:

How can I tell if my sapphire is real?

To identify if the sapphire is real, stay in total darkness and use a flashlight to test it. If the stone is genuine, light of the same color as the sapphire is reflected. If it is a fake sapphire jewel (usually made of glass) you will be able to see other colors in the crystal.

What is a window in a sapphire?

A “window” is a term used when the center of the stone is lifeless and has no color or light reflection. A “window” will allow you to see through the backside of the sapphire.

Should you be able to see through a sapphire?

Transparent is ideal. The degree of visibility through a sapphire is known as its transparency. … These sapphires usually have excellent brilliance despite any inclusions they may have.

What is a Burmese sapphire?

Burma sapphires are categorized by their deep royal blue color, and larger sizes have become immensely popular as of late. According to the GIA, for several centuries “Burmese blue sapphires…have occurred in alluvial deposits along the Mogok Stone Tract” in Myanmar in certain specific mines.

Are Ceylon sapphires rare?

The ones originated from the Kashmir mines are the rarest and considered most valuable of them all. This is also due to the fact that the mining was active for only about 40 years between the 1880 and 1920. Next runners up and considered to be the best sapphires today are the ones mined in Sri Lanka.

What makes a sapphire more valuable?

Color has the greatest influence on a sapphire’s value, and preferred sapphires have strong to vivid color saturation. The most valued blue sapphires are velvety blue to violetish blue, in medium to medium-dark tones. Sapphires with these qualities command the highest prices per carat.

Can you wear sapphire everyday?

Yes, you can wear the sapphire every day. A gemstone’s durability refers to its ability to resist scratches. Essentially, the stronger a stone is, the more likely it is to last the wear and tear of everyday life.