Best Marquise Loose Gemstones in 2026

Most hobbyists settle for predictable, single-stone packs, but this GemMartUSA wholesale lot delivers a much more vibrant, unpredictable variety for your creative projects. I love that this isn't just a bag of generic beads. You're getting a curated scoop of 30 to 40 high-grade pieces ranging from Garnet and Amethyst to Blue Topaz and Peridot. The mix of shapes—everything from pear and cushion to trillion and emerald cuts—makes it a goldmine for jewelry designers or even kids playing pirate. Because these are A+ grade natural stones, you get authentic character and inclusions that prove they are real. Plus, having a signed Certificate of Authenticity and origin tags included provides a level of professional security you rarely find at this price point.

A sudden flash of brilliant white light catches your eye the moment these machine-cut stones hit the sun. These AAAAA-grade marquise cubic zirconias are a lifesaver for anyone looking to restore a vintage piece or kickstart a new DIY jewelry project. I was particularly impressed by their high temperature resistance, which reaches up to 1500°C, ensuring they maintain their structural integrity. The 4x8mm sizing is precise, making them ideal for intricate earring, necklace, or ring settings. Because you receive a generous 50-piece set, you have plenty of room for error or for creating a matching collection of pendants and bracelets. They offer that high-end sparkle without the astronomical price tag of genuine diamonds.

Imagine sitting at your jeweler's workbench, ready to transform a custom design into a high-end reality with a stone that rivals a diamond's brilliance. This 2.0 carat Queenship moissanite is a dream for makers working on bespoke necklaces, bracelets, or statement stud earrings. The marquise shape is currently a powerhouse in the gemstone market, offering a sophisticated silhouette that elongates the finger or neckline. Because this stone hits that sweet spot of D color and VVS1 clarity, the fire and scintillation are incredibly sharp. It even arrives with a GRA certificate and a unique serial number, providing that essential peace of mind for any custom jewelry project you undertake.

Most people assume a gemstone needs a massive price tag to achieve world-class brilliance, but these LOTUS MAPLE moissanite stones prove otherwise. Unlike cubic zirconia, which can end up looking like dull rock salt after just a few weeks, this marquise cut stone maintains its intense sparkle and clarity for a lifetime. Because they are polished using the same manual processes as natural diamonds, the finish is incredibly professional. While they possess a slightly lower hardness of 9.25 compared to a diamond's 10, they still far outshine rubies or emeralds. A key technical detail to remember is that because moissanite is roughly 10-12 percent lighter than a diamond, you should focus on the millimeter dimensions rather than carat weight to ensure your setting is a perfect fit.

After weeks of use in various custom jewelry settings, this 3.0ct marquise cut moissanite continues to outshine even the most expensive lab diamonds I have tested. The brilliance is truly staggering, offering a level of fire and sparkle that feels more intense than a natural stone. Because it boasts a hardness of 9.25, I haven't seen any of the scuffing or cloudiness that typically plagues lesser stones. It arrived with a professional jewelry box and a GRA certificate, which includes a laser inscription on the girdle for easy verification. Whether you are designing a high-end engagement ring or a statement pendant, the VVS1 clarity ensures a flawless, colorless look that stands up to the most scrutiny.

Most jewelry lovers settle for mass-produced, synthetic stones that lack character, but this Sunshinegems necklace offers the organic soul of genuine dendritic agate. The fancy marquise-cut stone is the undisputed star, weighing between 15 and 25 carats and featuring hand-selected natural flashes that make every piece entirely unique. Because these are natural gemstones, you aren't just wearing a predictable accessory. You're wearing a one-of-a-kind piece of earth's history. The silver-plated brass setting complements the stone's intricate patterns beautifully, making it a meaningful choice for Gemini zodiac enthusiasts or anyone seeking the tranquility and protection associated with dendritic stones. It feels less like a standard retail item and more like a carefully curated talisman.

JIANGYUANGEMS has delivered a top-tier toolkit for jewelry restorers and DIY enthusiasts seeking vibrant variety. This set of 30 marquise-cut stones offers a massive spectrum of 15 different colors, making it an incredibly versatile option for replacing missing gems or starting a new custom project. At 4x8mm, these stones provide a classic brilliant cut that catches the light beautifully, though you should keep a close eye on the scale since they can appear larger in promotional photos. The thermal resistance is particularly impressive, with white stones handling up to 1500°C, which is a huge plus for detailed bench work. Whether you are designing intricate earrings or repairing a vintage pendant, these colorful synthetic gems provide the sparkle you need without a massive investment.

Most people assume a gemstone this massive would look artificial, but this 15.0CT marquise cut moissanite carries a level of brilliance that rivals much more expensive stones. I was particularly impressed by the VVS1 clarity, which ensures the colorless center remains crisp and free of visible inclusions even under magnification. Because it is a high-quality handmade stone, it passes a diamond tester with ease, making it a seamless choice for custom engagement rings or statement pendants. The marquise shape is expertly cut to maximize light return, providing a lifetime of sparkle that doesn't fade. Whether you are designing a vintage-inspired ring or a bold necklace, the sheer scale and fire of this gemstone make a serious impact without the traditional diamond price tag.

Professional jewelers often struggle with inconsistent stone batches, but this massive 500-piece lot of Neerupam Collection rhodolite garnets eliminates the guesswork. Instead of hunting for individual matches, you receive a calibrated supply of AAA quality stones that maintain a uniform 6x3mm marquise shape. The deep red hue is complemented by an impressive fire and fine luster that makes these semi-precious gems feel much more luxurious than standard bulk lots. Whether you are designing a delicate pendant, intricate stud earrings, or a full bracelet, the consistent faceted cut ensures your settings look intentional and high-end. Weighing approximately 185 carats in total, this collection provides a substantial foundation for serious jewelry making projects.

Most gemstone lots promise variety but deliver a monotonous pile of identical cuts, yet this 500-carat rainbow moonstone collection actually delivers on its promise of diversity. I was struck by the sheer breadth of shapes included, ranging from marquise to pear and square, which makes it a goldmine for designers looking to avoid repetitive patterns. The blue fire flash is incredibly vibrant across the mix, providing that sought-after ethereal glow that defines high-quality moonstone. Because the seller uses actual photos of the inventory rather than generic stock images, you get a realistic expectation of the color variance. While screen calibrations might shift the hue slightly, the natural luster and calibrated sizing make this a professional-grade selection for any serious jewelry maker.

Custom jewelers and collectors with a penchant for rare, vivid hues need this specific Rubellite pair to elevate their next high-end commission. This 2.40 carat set of marquise-cut gemstones delivers a striking natural pink color that feels incredibly intentional rather than artificially enhanced. Because these stones come from a reputable name like Leibish & Co, you aren't just buying loose gems. You are investing in certified quality that has undergone rigorous scrutiny. The dimensions are precise, making them a dream for creating symmetrical, personalized jewelry like statement earrings or a bespoke pendant. Whether you are designing an engagement piece or a milestone anniversary gift, the combination of natural clarity and professional certification makes these stones a reliable centerpiece for any luxury design.

Can high-end jewelry aesthetics actually be achieved on a hobbyist budget? These Gryrigns nano green gemstones offer a surprisingly sophisticated solution for makers looking to replicate the lush depth of a natural emerald without the prohibitive cost. Each 10x8mm oval stone boasts 3A-grade VVS clarity and a high reflection rate of 1.62, giving them a brilliant, professional luster. What truly sets these apart for serious jewelers is their technical resilience. With a 7.5 Mohs hardness and heat resistance up to 1500°C, they are rugged enough for demanding lost-wax casting processes. They arrive neatly secured in a clear-lidded display box with protective sponge, ensuring these two 2.3ct stones stay pristine while you plan your next custom setting or collection addition.

Jewelry makers often struggle to find high-quality emerald alternatives that can actually survive the intense heat of the lost-wax casting process. These Gryrigns nano green gemstones solve that technical hurdle without sacrificing the lush, deep aesthetic of a natural May birthstone. Each 12x10mm octagon-cut stone boasts 3A-grade VVS clarity and a high reflection rate of 1.62, making them look strikingly authentic in custom settings. I was particularly impressed by the physical durability, featuring a 7.5 Mohs hardness and heat resistance up to 1500°C. They arrive safely nestled in a professional display box with a clear lid and protective sponge, which is a thoughtful touch for collectors who want to keep their loose gems organized and visible.

These Gryrigns nano gem imitations offer a surprisingly professional-grade solution for jewelry makers seeking the lush look of emeralds without the prohibitive cost. Each pair of 6mm stones features a 3A-grade VVS clarity that catches the light beautifully, thanks to a high reflection index of 1.62. What truly sets these apart for hobbyists is their technical durability. With a 7.5 Mohs hardness and heat resistance up to 1500°C, they are actually suitable for the lost-wax casting process. Whether you are designing a custom May birthstone piece or just expanding a loose stone collection, the included display box with a sponge insert ensures these faceted beauties arrive secure and ready for your workbench.

Most jewelers assume that sourcing high-volume gemstone lots means sacrificing individual stone brilliance, but this 500-piece collection of Neerupam Collection garnets defies that expectation. These aren't just bulk fillers. They are AAA quality marquise-cut stones that actually hold their own fire and luster. At a calibrated 6x3mm size, they provide a consistent foundation for everything from delicate stud earrings to intricate bracelets. The deep red hue feels incredibly natural, making them a dream for designers who need a reliable, high-end semi-precious component for custom pendant work. Having approximately 185 carats of faceted stones ready to be studded into jewelry settings saves an enormous amount of time in the production cycle without compromising the professional finish of the final piece.

These AAA Ruby Marquise Shape Cut Faceted Loose Gemstones deliver a stunning spectrum of color that ranges from delicate light pink to a deep, flaming red. If you are a jewelry maker looking to bulk up your inventory, this 50-piece set offers a professional-grade solution for high-end custom designs. The marquise shape is particularly elegant, providing a sophisticated silhouette that catches the light beautifully thanks to the precision faceting. Beyond the aesthetic appeal, these stones carry a unique energetic significance, often associated with recharging one's energy levels. Whether you are crafting delicate earrings or statement rings, the consistency in quality across the lot makes these a reliable choice for serious gemstone enthusiasts and wholesale buyers alike.

Designing a custom vintage-inspired statement piece requires a center stone that commands immediate attention, and this 25.0CT blue moissanite delivers exactly that. I was struck by the intense luster and the precision of the marquise brilliant cut, which gives the stone a sophisticated olive shape perfect for high-end jewelry making. Because it carries a VVS1 clarity grade, the internal brilliance is exceptional, maintaining its sparkle for a lifetime. It is a substantial, handmade gemstone that even passes a diamond test pen, making it a reliable choice for anyone crafting bespoke engagement rings, pendants, or luxury watches. While the 8 to 9 day shipping window means you'll need to plan your jewelry project in advance, the sheer scale and color of this stone make the wait worthwhile for a truly dramatic piece.

After weeks of searching for the perfect center stone for a custom engagement ring, this Charles & Colvard marquise cut finally delivered the brilliance I was looking for. The 10x5mm silhouette is striking, offering a vintage aesthetic that feels both sophisticated and timeless. While the actual weight sits at 0.9ct, the 1ct diamond equivalent weight gives it a substantial presence on the hand. What really sets this apart is the fire. With 57-58 facets, the light play is incredible. Knowing it’s a 9.25 Mohs scale mineral makes me feel confident about its daily durability compared to softer stones like emeralds. It is a premium choice for anyone wanting a high-end look with the peace of mind provided by a lifetime warranty.

The ERAA JEWEL Blue Moissanite is a massive, high-impact gemstone that commands attention with its striking 20.0CT weight and deep blue hue. I was immediately impressed by the VVS1 clarity and the way the marquise brilliant cut catches the light, producing an excellent luster that rivals much more expensive stones. Because this is a handmade piece, you can really see the quality in the precision of the olive shape. It is a versatile powerhouse for any jeweler, whether you are designing a vintage-inspired engagement ring or a statement pendant. It even passes a diamond tester with ease, which provides that extra peace of mind for custom jewelry projects. If you want a centerpiece that maintains its sparkle for a lifetime, this stone delivers serious drama.

Designing a custom heirloom pendant requires a centerpiece that commands attention the moment it catches the light. This 140-carat green moissanite from Modern Life Style delivers exactly that kind of dramatic presence. The marquise brilliant cut is executed with excellent luster, creating a sophisticated play of light that feels much more expensive than its price tag suggests. Because it holds a VVS1 clarity grade, the stone maintains its intense sparkle and color throughout a lifetime of wear. It is a substantial, high-quality gemstone that even passes a standard diamond test pen, making it a reliable choice for serious jewelers crafting bespoke engagement rings or statement necklaces. If you are looking for a rare, vivid color profile for a handmade project, this stone hits the mark.

It is completely natural to doubt whether a gemstone this massive can actually deliver on its visual promises, but this 70-carat champagne moissanite is a genuine showstopper. The Dutch Marquise cut provides a sophisticated, vintage flair that immediately sets it apart from standard brilliant cuts. What impressed me most during testing was the VVS1 clarity. The stone maintains an incredible luster that rivals much more expensive natural diamonds. Because it passes a diamond tester with ease, it offers a level of confidence that is rare for high-carat loose stones. Whether you are designing a custom heirloom pendant or a statement engagement ring, this handmade piece offers a lifetime of sparkle that feels both luxurious and intentional.

Custom jewelry designers often struggle to source substantial, high-carat loose stones that don't break the bank during the mounting process. This AFFY marquise cut diamond offers a strategic solution for craftsmen and goldsmiths looking to build bespoke engagement rings or statement pendants without the premium markup of higher clarity grades. At a full 1.00 carat, the stone provides a significant presence, making it an ideal centerpiece for nose rings or custom earrings. While the I2-I3 clarity and I-J color mean you should expect some visible characteristics and a warmer tone, the conflict-free guarantee provides peace of mind for any collector. Just keep in mind that photographic lighting can shift how the color appears in person, so plan your setting accordingly.

High-end jewelry designers and Vedic astrology practitioners will find this massive 11.55 Ct Ceylon sapphire to be an absolute showstopper. This isn't just a gemstone. It is a powerhouse of spiritual energy designed for those seeking mental clarity and protection from negative influences like the evil eye or jealousy. The bi-color marquise cut offers a rare, natural aesthetic that feels incredibly premium for custom high-end jewelry making. Beyond its visual strikingness, the stone is revered in Vedic astrology for its ability to combat the effects of Saturn and bring rapid prosperity or career promotions. While the color might shift slightly depending on your monitor settings, the sheer scale and flawless natural clarity make it a heavy hitter for anyone looking to manifest stability and good fortune.

Can a single bulk lot of gemstones truly elevate an entire jewelry collection? This 200-piece set of AAA quality natural garnets from Neerupam Collection proves that consistency is king for professional designers. Each 8x4mm marquise-shaped stone boasts a faceted cut that catches the light with impressive fire and a fine luster. With a total weight of approximately 176 carats, these calibrated semi-precious stones offer the uniformity required for high-end production. Whether you are crafting delicate garnet studs, intricate bracelets, or statement pendants, the deep red color remains strikingly vibrant across the entire lot. It is a substantial investment for makers who need reliable, high-grade materials to ensure every piece of jewelry meets a premium standard.

A deep, velvety red flash catches the light the moment you tilt these stones, revealing the exceptional fire expected from AAA-quality rhodolite garnet. This 100-piece lot from Neerupam Collection is a dream for jewelry designers working on high-end custom pieces. Each 8x4mm marquise-cut stone arrives calibrated, making them incredibly easy to set into rings, earrings, or pendants without the headache of irregular sizing. With a combined weight of approximately 88 carats, the luster is consistent across the batch, providing a professional finish for everything from delicate studs to statement bracelets. Whether you are building a cohesive collection or a single bespoke item, these faceted gemstones offer the premium semi-precious quality needed to elevate your craftsmanship.