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Diamond Fluorescence: Importance, Impacts and Grades To Know

Diamond fluorescence appearance in chart with the difference

Every diamonds have its own identity, such as its sparkle reflections to the formation, but out of it, "Fluorescence" is a standout factor that significantly affects the cost and appearance. The fluorescence term describes how much the diamond will release a bluish or sometimes yellow and orange tint in ultraviolet atmosphere.

Thus, consider paying more attention when selecting diamonds for engagement rings, wedding bands, anniversary pendants, or tennis charm bracelets. Keep in mind, in diamond fluorescence five grades exists: None, Faint, Medium, Strong, and Very Strong. The very strong fluorescence diamonds have more haziness appearance.

Many buyers regret shopping for a diamond with fluorescence because they have an illusion about the effect of the fluorescence. They think fluorescence decreases the total sparkle reflections of the stones. But in contrast, the reality is totally different from it.

In this article, we will break the illusions about diamond fluorescence by knowing its meaning, its impact on the color grades, and how significantly it plays a vital role in the appearance of the stone.

Also, we highlight why the fluorescence affects the overall cost of the diamond, whether it's a modern fancy or brilliant cut. Simultaneously, we will clarify on the fluorescence grades so you can make a perfect decision.

The Meaning Of Diamond Fluorescence, What Is It?

Diamond fluorescence refers to the bluish, yellow, or orange light that emits when the stone is exposed to ultraviolet rays atmosphere. Typically, the light reflection is in blue, but sometimes due to symmetrical balance and formation, it reflects yellow golden, green, and white shades.

Due to some aspects like nitrogen, aluminum, and boron presence, the diamond has fluorescence ranging from none to very strong grades. The formation process of diamonds absorbs these elements in its structure that releases the effect called "Diamond Fluorescence."

The interaction with the UV light energy made the diamond atoms release a blue-colored brilliance. This effect of light reflection is different from its natural appearance. Diamond fluorescence can be found differently as shapes variations and formation, but it's a natural attribute that appears.

Some diamonds release a strong fluorescence because of the presence of the boron element, and the stone formation process causes it. In contrast, another diamond may be found with a less fluorescence effect due to the absence of the boron that influences the stone to offer a natural light.

The diamond's fluorescence represents how the natural surface of the diamond remains same during the manufacturing process. Diamond fluorescence has blue color lights, which do not affect appearance in low intensity. But it is the test of the diamond’s surface light reflection in the darken atmosphere.

Why Diamond Fluorescence Is Important?

The fluorescence is an important factor, like 4cs of diamonds during the purchase. From the fluorescence grade inspection, you can decide how much your diamond will sparkle and be free from the cloudy or hazy effects of UV lights.

The intention behind knowing the diamond fluorescence is to understand how much the stone has additional effects over its natural sparkle reflections.

Usually, the diamond has three kinds of reflections: Brilliance (white), Scintillation (in yellow and blue), and Fire (in yellow). In contrast, the fluorescence represents the total blue color surface of the diamond while the stone actually exists in white. Thus, to know whether any additional color effects are featured in the diamonds, the fluorescence grades will be decided.

Also, from a cost perspective, fluorescence is important because the none grade has more price than a strong-grade diamond. The reason behind the price difference between fluorescence grades just because of the cloudy appearance. If the stone is free from the haziness effects and sustains its naturality in UV lights, then it has more price.

The Impact Of Diamond Fluorescence Color

The diamond fluorescence impacts the stone's color grade from its blue or haziness effects that hides the overall natural brilliance appearance of the stone. Thus, consider to picking the fluorescence grade of the diamond according to your preference.

For example, the none to faint fluorescence grade turns the yellow or brown colored diamond into brighter stones. This is caused due to the blue fluorescence starting to spread in the yellow and brown diamonds which is good for the colored diamond engagement rings.

While in the strong to very strong fluorescence-graded diamonds, the haziness, and cloudy appearance make the stone's overall appearance dull and foggy.

Thus, when you need a natural sparkle, reflections from the stone, even in UV lights, pick none to faint fluorescence grade diamonds.

Keep in mind the fluorescence impact on the diamond color depends on other factors like clarity, cut, carat, dimensions, and shape. We recommended selecting a diamond after the personal or in-video inspection in the fluorescence machine. Remember your preference for fluorescence grades while picking the elongated or square-shaped diamond for a ring or bracelet.

Diamond Fluorescence Types or Grades

The fluorescence intensity in diamonds has five grades: None, Faint, Medium/Light, Strong, and Very Strong. The most intense bluish-affected diamond is a very strong fluorescence-graded stone with a cloudy and dull appearance in UV rays. However, if the diamond maintains its natural appearance in UV lights, it means it's not appeared so dark, then it's a none fluorescence grade.

The diamond fluorescence grades are mentioned below.

  1. None Fluorescence
  2. Faint Fluorescence
  3. Medium Fluorescence
  4. Strong Fluorescence
  5. Very Strong Fluorescence

1. None Fluorescence Graded Diamonds

A none fluorescence diamond is free from the bluish and yellow tint effect. These fluorescence graded diamonds carry their natural appearance in the UV lights and provide the original sparkle reflection without turning into blue color.

In this fluorescence grade diamond, the stone releases a scintillation effect which usually releases in the absence of daylight. Thus, if you want to offer your spouse an actual and ideal wearing experience in rings or earrings, then choose the none fluorescence diamonds.

Round brilliant cut diamond appearance in none fluorescence grade

As we mentioned earlier, the flourescence grade affects the cost. With no fluorescence grade, you have to pay more than other grades because the absence of boron makes the stone's appearance more excellent. The round, princess, cushion, emerald, and radiant cut diamonds are mostly preferable in this fluorescence grade.

The diamond fluorescence affects the color grade too, so if you want to see the real fluorescence effects, select an "I color diamond." This color grade is nearly colorless, which means it has tiny effects of the yellow tint that doesn't appear in the UV lights.

"For offering such natural brilliance sparkle reflections, none fluorescence grade diamonds are excellent picking. This fluorescence diamond could be a great selection for solitaire rings, pendants, earrings, and bangles in gold and platinum. The square shaped gems are ideal for the none fluorescence grade."

2. Faint Fluorescence Grade Diamonds

In the faint fluorescence diamond grade, you can find a tiny appearance of the bluish effect that differs from the none fluorescence grade. As per diamond connoisseurs, during the formation of diamonds, the boron residue exists in the little amount that appears in UV lights. It is called the faint fluorescence diamond.

The minimal bluish effects are released through the symmetry of the faint fluorescence grade diamonds. Also, the presence of other elements like hydrogen its sprinkles effects on the carbon atoms, so the diamonds carry a little fluorescence appearance.

Faint fluorescence grade brilliant round cut diamond

Most importantly, nitrogen and boron are the two-element that creates the effulgence effects in the carbon crystal, a diamond. These elements in the faint fluorescence diamond exist in little amounts, so the blue or yellow colored reflections appear in the UV lights.

If you want to experience the faint fluorescence effects, you can pick an M color grade diamond because it has a yellow tint in the symmetrical balance. When it is placed under the UV lights, the blue color reflects a small amount.

"Faint fluorescence grade diamonds have minimum blue-colored effulgence effects, so you can opt for these diamonds in solitaire pendants and Toi et Moi ring styles. Also, the faint fluorescence diamonds give the sparkle reflection for the tennis bracelets. The elongated and square shaped diamonds are the perfect selection for this fluorescence grade."

3. Medium Fluorescence Grade Diamonds

The medium fluorescence grade diamonds reflect slightly more blue shade in the ultraviolet rays. The stone has a boron and nitrogen element combination in ideal size in these fluorescence grade diamonds. Due to the proper combination of these elements, the diamond has a blazing effect of the blue color called the medium fluorescence.

If you have a tight budget for shopping for a beautiful diamond engagement ring, you haven't compromised the clarity grade or carat weights. But you can insist on picking medium fluorescence grade diamonds, which can reduce the cost load from your pocket.

Slight bluish color reflection of the medium fluorescence grade round cut diamond

But these diamonds are a little rare, but it's not impossible to get them. Every diamond jeweler carries a stock of medium fluorescence diamonds. Opt for this fluorescence in elongated diamond shapes like radiant, emerald, and cushion. While square shape diamonds are cushion, princesse, Asscher, and hexagon look perfect. Other fancy diamond shapes are oval, heart, marquise, pear, and baguette cut that appears in medium fluorescence.

"Due to slightly more blue color effects in ultraviolet rays, the medium fluorescence grade diamonds are the perfect choice for the three-stone ring and eternity bands. Prefers the elongated shaped diamonds for this fluorescence grade."

4. Strong Fluorescence Diamond

When a diamond transforms into an intense blue or yellow color in UV rays from its original white color, it's strong fluorescence of the stone. This fluorescence graded diamonds have more boron elements during the formation process in the earth. That's why it reflects a more blue appearance in the UV lights.

Most people think strong fluorescence diamonds are worthless, but the reality is different. The diamond looks hazy and cloudy with the strong fluorescence, affecting the brilliance appearance. On the other hand, it is cheap, and with the best clarity and cut grade, you can make your diamond beautiful.

Strong fluorescence graded round diamond

While you want more sparkle, especially in blue color, don't go for fancy colored diamonds. You can experience the blue color appearance in the strong fluorescence diamonds. If you plan to offer your spouse an engagement or promise ring on the beach at sunset, these fluorescence grade stones truly deliver your romantic message.

"The strong fluorescence grade diamonds reflect intense blue shade in the UV lights, so you can pick them in the minimalist and bridal set ring style. While for hoop earrings, these fluorescence grade diamonds offer such a brilliant appearance with yellow gold and rose gold. Pick atleast 2.50-total carat weight diamonds, whatever the shape is, either square, traditional, or elongated."

5. Very Strong Fluorescence

These fluorescence grade diamonds have the most cloudy and haziness effects under UV lights, and inspecting the anatomical structure is far impossible. Buyers have the illusion very strong fluorescence stones have a dull appearance without UV rays, but they remain in their natural color in the daylight and reflect the lights.

The cost and appearance in daylight are important facts related to the very strong fluorescence. In a sunlight atmosphere, you might experience the same light reflections in the none and very strong fluorescence grade diamonds. While in the UV lights, the very strong fluorescence diamond provides a gloomy reflection.

Very strong fluorescence grade round diamond appearance with cloudy and hazy appearance

You can select these fluorescence grade diamonds in the engagement rings and wedding bands with the accent stones. But, for the center diamonds prefer only none to faint grade fluorescence. The very strong fluorescence grade diamonds are very scarce, but it has been selected for a necklace or chain pendants.

"Due to the high intensity of blue in UV lights that offer a cloudy appearance, select the very strong fluorescence grade diamonds for wedding necklaces. But make sure you opted for at least FL or VVS clarity and D to F color grade that gives a real sparkle reflection."

How To Determine The Fluorescence For Diamonds?

Determining diamond fluorescence is the most important part of considering the stone's actual price and appearance. Knowing the fluorescence of diamonds isn't an tough task to perform. You can quickly inspect the stone's fluorescence and effulgence ability from the following methods.

The first method to inspect the fluorescence effect of the diamond is to use a UV light resource where you can check the intensity of blue lights. Under UV light, the diamonds sparkle the blue colored reflections, which are different, ranging from faint to strong, and different from the fancy colors.

Another method is to know that the diamond fluorescence grading scale with a slab of none to very strong depends on the intensity of the brightness. With the fluorescence grading scale, you can easily differentiate the stone in the none grade or very strong.

You can sharpen your purchasing or evaluating memory with more detailed information related to fluorescence. Simultaneously, knowledge about the fluorescence grades and their difference saves you from paying more than the actual cost and offer the ideal brilliance in the diamond.

What Does It Mean When Diamonds Glow In Backlight?

When diamonds sparkle in the backlight with a blue or yellow hue, it represents the gemological term "Fluorescence," which ranges from none to very strong grades. During the formation process of the diamonds, the crystal amalgamates with the boron and nitrogen elements. These elements spread their residue part in the diamond's structure that reflects only in the UV lights.

The effect of fluorescence isn't added artificially to the stone's symmetrical structure but is a natural part of the formation. Even lab-grown diamonds have a fluorescence effect. Thus, when the diamonds glow in the backlight, understand it's a natural attribute every stone has.

Remember that diamond fluorescence is neither good nor bad but is counted as one attribute of the gem. Generally speaking, the fluorescence represents the additional blue color effects of the stones that generate only the backlight, such as UV rays.

How Fluorescence Affects The Cost For Diamond?

The fluorescence of diamond is the form of boron and nitrogen element, if these elements are more in the stone then the price is cheaper because of the additional shade effects. While without the blue colored effects in the UV lights, the diamonds have more cost due to their natural reflection ability.

Ultimately, the presence of boron and nitrogen affects the cost of the diamonds. Every buyer needs the natural sparkle reflection in the diamond and they neglect to shop a strong or very strong fluorescence grade diamonds. The impacts of the fluorescence in the diamonds affects the natural appearance of rings and jewelry.

Also, for a clear shine, buyers prefer the none to medium grade fluorescence diamonds to make their jewelry sparkle reflections natural in UV lights, too. For example, when you choose E-colored round diamonds with strong fluorescence, you might have to pay 20-25% less than their actual price.

However, at the other stand, J colored round diamonds with none fluorescence, the cost is increased by +15-20% from its actual price.

Is Diamond Fluorescence Good or Bad?

As mentioned earlier, diamond fluorescence is the natural attribute of the stone. Thus, it is neither good nor bad. The diamond fluorescence isn't so impactful when you opt for a large carat weighted and ideal color grade (D to F). While for other stones, except for the best clarity and color grades, the diamond fluorescence could be selected carefully.

You can still choose strong fluorescence grade diamonds with at least 3 to 5-carat weights elongated and square shape like radiant or princess cut. But beyond that, neglect to buy a very strong fluorescence, except you're looking for a low price.

Tips To Consider For Diamond Fluorescence Grades

Purchasing a diamond with flourescence, some tips and points must be considered for an easy and flexible buying experience.

The first thing is personal preference because some people prefer to shop a diamonds with no fluorescence because they're looking for a natural appearance. While others search for the colorful reflection that fluorescence has. Thus, decide which one you like to opt for your jewelry. Also, check the fluorescence effects in the different lightning atmospheres to know the stone's overall appearance.

The second tip is to pick the correct color grade in diamonds. The fluorescence effects can be hidden in the UV lights with an ideal color grade (D to J). So, if you don't want to lose the sparkle reflection of the diamond, choose the D to J color grade in rectangular or square shape.

The last tip is to consult a reputable and professional jeweler or gemologists who will guide you to select the perfect diamond fluorescence grade for your jewelry and inform the impact of the effects of fluorescence.

Want to talk one on one with us, then book a Virtual Appointment or Contact Us. We can surely help you to meet your favorite diamond.

Where Diamond Fluorescence Grade Described?

The diamond fluorescence grades are described from none to very strong in the GIA, IGI, AGS, and EGL certificates. You can insist on getting a certification to know the unbiased and perfect evaluation of the diamond in UV lights. With the fluorescence grade determination, you can know how much the diamond's sparkles are reflected and affected by the blue hues.

Final call

Buying a diamond with fluorescence is the most important factor to be considered because it affects the costs and appearance. In this guide, you seen the meaning of the diamond fluorescences, its importance, the grades, the impact on the cost, and the tips. Knowing these factors, you can make more informed and perfect decisions when shopping for a diamond in an online store or visiting the showroom.

The decision on the diamond fluorescence grade selection depends on the personal preference that complies with the budget and lifestyle. Picking the perfect fluorescence grade diamond changed from the jewelry that you opted for. Also, understand your requirements from the diamond and then select a particular fluorescence.

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