Lab Diamonds Terminology Glossary

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Lab Diamonds Glossary

Lab Diamonds Glossary

Lab-Created Diamonds – These gems are created by men’s hands. Their process of synthesis is similar to the natural growth of a diamond and their composition is fully consistent with natural.

Lab Diamonds Glossary

Lab-Grown Diamonds – Are synonymous to lab-created diamonds. This term unites several types of gems like moissanite, chevalit, zirconium. Swarowski crystals that are used in jewelry or for industrial goals.

Synthetic diamonds – They are not a work of nature. They are designed and constructed by men in chemical labs using laws of physics and chemistry. It is synthetic diamonds which make 97% of all diamonds used in the industry.

Man-made diamonds – This is a common term used for synthetic diamonds that are not of natural origin. Created by human science. They are used both in jewelry and in industry. These diamonds can be of various structure but their features are maximally close to real diamonds.

Lab-Created Stones – Lab-created stones are synthetic gemstones made by human that provide the full range of qualities essential for real gemstones crafted by nature. The pioneer among lab-created stones was synthetic ruby crafted in 1892. Today, there is almost every jewelry stone having its lab-created analog.

Lab-Grown Round Diamonds – The round cut of a diamond is among the TOP-list of popularity. It suits all types of jewelry enclosing brilliance and sparkles of a gem. Round diamonds are often used as a solitaire or for pave rings.

Lab-Grown Oval Diamonds – Lab-grown oval diamonds look splendid due to their extra clarity and high-quality coloring. They can be the biggest size, decorating rings and pendants. Oval shape and 56 standard facets make the surface of a gemstone visually bigger than in other cuts.

Lab-Grown Pear Diamonds – The pear cut is an original option combining the best features of two cuts – Marquise and Round. Having perfect proportions, diamonds with pear cut have the highest scintillation level among other cuts due to the position of their 58 facets.

Lab-Grown Radiant diamonds – This is a rectangle-shaped cut with 70 facets as a standard. It has truncated corners and it combines both Emerald-cut features and Round-cut features. This kind of cut is looking good as a solitaire on an engagement ring.

Lab-Grown Cushion Diamonds – This type of diamond cut resembles a pad. It has truncated corners and it could be both of more rounded shape or of more rectangular. It is the best choice for fantasy-colored diamonds as it highlights the intensity of unusual shades.

Lab-Grown Asscher Diamonds – An Asscher-shaped diamond, a purebred stepped square cut with truncated corners and an octagonal outline, is most harmonious in vintage and art deco jewelry. It suits gems of 2+ carats enclosing their clarity and transparency.

Lab-Grown Heart Diamonds – One of the most romantic forms of the diamond is the Heart cut – a unique and inimitable symbol of love. This type of stone is most often used for installation in earrings, pendants, pendants. The cut itself is similar to the cut of a round brilliant, as well as the pear cut, the difference is the presence of a gap in the upper part of the stone.

Lab Diamonds Engagement Rings Glossary

Lab Diamonds Engagement Rings – The diamond ring is a must for engagement. Due to the high quality and low cost, lab-created diamonds are among the TOP-list of gems for engagement rings. They can be used in the very design of a ring and it’s hard to differentiate them from naturally mined diamonds.

Engagement Rings – Engagement rings are a part of the tradition. They are usually gifted like a symbol of love when confessing and a marriage proposal. As usual, they are golden rings with one or several diamonds decorating it.

Engagement Rings with Lab Created Diamonds – Engagement rings with lab-created diamonds are a new fashion trend. They are eco-friendly, non-expensive and extremely good-looking. Lab diamonds are similar to natural and they are even more clear and transparent.

Solitaire Engagement Ring – The most popular kind of engagement ring is solitaire. It has one big gemstone in the center. For it, all kinds of diamond cuts are suitable. This ring looks solid and classy at once.

Side Stone Engagement Ring – More luxurious kind of solitaire with side-set smaller diamonds attracting an eye to the central, bigger stone.

Pave Engagement Ring – Pave is a new black in jewelry. It is a technique of placing small gems in rows on the surface of a ring. Due to this technique, the ring looks extremely luxurious and shining.

Three Stone Engagement Ring – The classical style for engagement rings. It has three similar-size diamonds on the center. Sometimes, the central stone could be of a bigger size. It suits all types of palms and images of a person.

Halo Engagement Ring – Halo is a technique of placing small diamonds around the big central gem. It suits different cuts of the central diamond from classical round and oval to marquise or emerald cut. Sometimes, halo could be combined with pave technique to make an outstanding ring design.

Vintage Engagement Ring – Vintage means old styles that were popular decades or even centuries ago. These rings remind of the aristocracy. Some of them are really crafted a long time ago, and some are specially designed to look vintage.

Unique Engagement Ring – The outstanding design of unique engagement rings is always required. This type can differ greatly but it has no analogs in the market due to the exclusive work of designers who use their own vision and toolset to create a masterpiece.

Custom Engagement Rings – When choosing an engagement ring, not everyone is content with the market proposition in stock. Then, custom engagement rings are godsent in this case. You can order the design and the crafting of a ring to professionals to get the ring you dreamt of.

Lab-Created Emerald Rings – The emerald cut is quite popular even now. Its strict lines and clarity are attracting attention. This cut can be used not only for lab-created emeralds but for diamonds or moissanites also.

Lab diamonds

Lab diamonds

Glossary of Moissanite Jewelry

Moissanite – Moissanite is a lab-created gem similar to a diamond by its features. Its mineral composition differs from lab diamonds or natural diamonds as the basis of moissanite is not carbon but carborundum.

Moissanite Engagement Rings – These rings are only acquiring popularity. They are looking like real diamond rings but moissanites have even more sparkles when light hitting it. One more difference is the price. For moissanite engagement rings, it could be 10 times lower than for diamond ones of a similar size and design.

Moissanite Solitaire Engagement Rings – Big moissanites of various cuts can be a great solution for a solitaire ring. They are looking like a diamond and they are sparkling like a diamond. To define, if it is a lab-created gem, or a natural one, a microscope is needed.

Moissanite Halo Engagement Ring – One more option where moissanites can replace diamonds with ease. Even small gems in the halo are looking brilliantly and a big central stone always looks deluxe. Moissanites can be cut to every design so it is easy to choose the perfect one for you.

Moissanite Jewelry – Moissanites are actively used in jewelry as they are looking like real diamonds with intense fire and sparkling but being cheaper. This kind of jewelry can be hardly differenced even by an expert from diamond jewelry.


glossary 4Cs

Glossary 4Cs

Carat Weight – Carat is an international measure of weight for jewelry stones. It is of 0.2 grammes or 0.007 oz. For natural diamonds, the weight of 6+ carats is a rarity of big value. The stone of 2 carats of natural origin costs more than 2 similar stones of 1 carat. For lab-created diamonds, the number of carats is always higher than for natural gems of similar size and cut.

Clarity Grade – Diamonds without visible defects (scratches, marks, minerals and other small characteristics that reduce the quality of diamonds) are more valuable. However, most of the inclusions are not visible without magnification 10x. The grading of clarity is based on the location, size, type and number of defects found in the diamond. It is graded from 1 to 7 with 1 referred to gemstones having less than 3 inclusions visible only with 45x magnification.

Color Distribution – Color distribution of diamonds includes various shades of white and yellow. Its categorization is measured by marks from D to Z. D-mark is referred to the clearest almost colorless diamonds without any inclusion of yellow. Z refers to the lowes quality of diamond coloring.

Dispersion – Dispersion encloses the number of colorful splashes appearing on the diamond’s surface when the light hits it. The higher is dispersion the bigger the number of splashes. For diamonds, the dispersion level is of merely 0.044.

Durability – Durability is an important feature of each mineral describing its ability to withstand high or low temperatures, pressure or mechanical impact. Natural diamonds are considered to be among the most durable materials. So do lab-created diamonds.

Fire – This feature reflects color splashes that appear when the light hits the diamond. If they are numerous and bright enclosing the full rainbow spectre, the diamond is of good quality.

Four CS – Four Cs are Carats, Clarity, Color and Cut. These features are the most valuable when evaluating the quality of a gemstone. Due to them, each diamond gets its total price and designation whether it suits jewelry goals or should be used in the industry.

Inclusion – Naturally mined diamonds are rarely of clearwater. They have some inclusions as other minerals or organic parts that sometimes make their value lower. In lab-grown diamonds, there are no inclusions due to the precise process of their crafting.

Pavilion – Not all facets of a diamond are visible to an eye. But all of them serve their special mission creating light sparkles and shine. That is pavilion facet placed below the girdle that is of V-shape reflecting light and sending it back through the crown.

Reflection – That is what makes diamond sparkling. Due to its facets, not all the light that hits the diamond passes through it. Some part of rays reflects from its sides creating sparkles that are the most attractive feature of this gemstone.

Diamonds Transparency – This feature applies to the transmission of light provided by a diamond. If the light passes through the gem without interruption, we talk about Excellent degree of transparency. If there are clouds, hazes or light refractions the degree could be lower down to Poor.

Loose Diamonds Shapes – The shape of a diamond refers to the initial form of a stone when it was grown or mined. Due to the shape, the cut can be chosen. The bigger the diamond is, the diverse shape it could take.

Diamonds Cuts – The cut is a basic parameter included in famous 4Cs. It is the number and the size of facets carved by a jeweler on the gem’s surface. The most popular diamond cuts are Marquise, Cushion, Pear, Princess, Emerald cut and Heart cut.

Scintillation – When talking about diamonds, a specific term scintillation is used. It means the volume of light that is reflected by a gem’s facets. It is visible when moving a diamond.

Different Diamonds Shape vs Cuts – Do not mix terms Shape and Cut of a diamond. The first one refers to the initial shape of the stone and its peculiarities. Cut option refers to the number of facets and reflection that a gem makes.

HPHT and CVD Diamonds Growth Process – Both of these methods are displaying efficiency in growing diamonds in lab conditions. HPHT that means high-pressure-high-temperature is based on using pressure and heat to press carbon into the diamond structure. CVD is the method of carbon deposition from the gas phase.