Lab Grown Diamond Fancy Shapes: Oval, Emerald, Marquise Margin

Every lab diamond retailer starts with round brilliants, because that is the default. But a customer walks in wanting an oval, or an emerald, or a marquise, and the retailer only has rounds. She leaves, and the sale walks out. Fancy shapes are not a niche afterthought. They are a growing share of lab diamond demand, and they carry better margins than the round. The round is competitive and price-driven, because everyone sells it. The fancy shapes are differentiated, which means less price comparison and better margin. We cut lab grown diamonds in Hengang, Longgang, Shenzhen, and we offer the full range of fancy shapes, because we know they are where the margin and the customer demand are heading. This guide explains the main fancy shapes, which sell, and why they are good for a retailer's bottom line.

A fancy shape is any diamond that is not a round brilliant. The most popular are oval, emerald, cushion, and marquise. Each has a different look: the oval is elongated and flattering on the finger, the emerald is sleek and architectural, the cushion is soft and vintage, the marquise is long and bold. Customers who want something beyond the classic round choose these shapes. The demand for fancy shapes has grown, because customers want rings that look like their taste, not a default. We discuss the lab diamond market in our article on lab diamond trends, and the fancy shapes are the growth area.

The margin reason is simple. Because fewer retailers stock fancy shapes, the customer cannot easily compare prices. She comes to you, you show an oval, and there is no other store down the street with the same oval to compare. This lets you price with a better margin. The round, by contrast, is everywhere, and the customer compares prices across stores, compressing the margin. Fancy shapes are therefore a margin play as much as a style play. We discuss the margin in our article on lab diamond pricing, where the differentiated shape commands a better price.

The Main Fancy Shapes and Their Appeal

The oval is the most popular fancy shape. It is elongated, which makes the finger look longer and slimmer, and it carries the brilliance of the round in a more flattering silhouette. Many customers choose the oval over the round specifically for that elongating effect. It is the easiest fancy shape to sell, because it is familiar and flattering. We stock ovals in a range of sizes, because they are the best-selling fancy. You can read about the oval in our article on cutting styles, where the oval leads the fancy shapes.

The emerald cut is a step-cut rectangle, sleek and architectural. It shows the clarity of the stone, because the long step facets emphasize the interior. It reads as modern and sophisticated, chosen by customers who want a clean, contemporary look. The emerald cut demands a well-clarified stone, because the step facets show inclusions more than a brilliant cut. We supply well-clarified emeralds, because the cut rewards clarity. You can read about the emerald in our article on emerald cut clarity, where the stone must be clean.

The cushion is a soft square with rounded corners, a vintage-tinged shape that has grown in popularity. It carries a warm, romantic look, and it hides inclusions well, because its facets scatter light. The marquise is a long, pointed oval, which makes the finger look very long and slim. It is a bold choice, chosen by customers who want a statement. Each shape has its customer. We stock the main four, so a retailer can offer a range without overstocking. You can read about the shapes in our article on shape guide, where each shape has its look.

Lab grown diamonds in oval, emerald, and cushion shapes displayed together

Why Fancy Shapes Carry Better Margin

The margin advantage comes from differentiation. A round lab diamond is a commodity. Every retailer sells one-carat rounds, and the customer compares prices. The margin on a round is thin, because the price is transparent. A fancy shape is less common. The customer who wants an oval cannot compare across every store, because not every store stocks ovals. This means less price pressure, and a better margin for the retailer who does stock them. We discuss the margin in our article on grade margin, and the shape is another lever.

Fancy shapes also cost a little more to cut, because more rough is lost when cutting a non-round shape. This means the factory price is a touch higher, but the retail price is higher still, and the spread is wider. The oval cuts more waste from the rough than the round, so each finished oval costs more to produce. That higher cost supports a higher retail price, and the margin per stone is good. We explain this in our article on cutting yield, where the fancy shape's waste is the source of its price.

The customer who wants a fancy shape is also less price-sensitive. She is choosing the shape for the look, not just the price. She wants the oval that flatters her finger, and she is willing to pay for the shape she wants. This is different from the round buyer, who is often comparing prices. The fancy-shape buyer is buying a look, which supports a better margin. We discuss the buyer psychology in our article on selling shapes, where the look is the purchase.

ShapeLookMargin Profile
RoundClassic, brilliantCompetitive, thinner
OvalElongating, flatteringGood, less comparison
EmeraldSleek, architecturalGood, demands clarity
CushionSoft, vintageGood, hides inclusions
MarquiseLong, boldGood, statement buyer

Stocking Fancy Shapes Without Overstocking

The risk with fancy shapes is overstocking. They sell in lower volume than the round, so you do not want to tie up cash in many shapes and sizes. The smart approach is to stock a few samples of each main shape, in popular sizes, and order the rest to demand. A customer who wants an oval tries the sample, then orders her exact size and grade. This way you offer the full shape range without holding a large inventory. We discuss the sample approach in our article on inventory turnover, where the sample shows the shape and the order supplies the stone.

Focus on the oval first, because it is the best-selling fancy. Stock a couple of oval samples in popular sizes, and order the rest. Add the emerald and cushion as samples, because they are the next most popular. The marquise is a niche, and one sample is enough. This shape-by-shape stocking, deep on the oval and light on the niche, serves the demand without overstocking. We help our partners pick the shape mix, because we know which shapes actually sell. You can read about the mix in our article on what to stock, where the oval leads.

Display the shapes side by side, so customers can compare. A customer who came in for a round may try an oval and prefer it. Seeing the shapes on the finger helps her choose. A display that shows round, oval, emerald, and cushion on a hand lets the customer feel the difference. This display sells the fancy shapes, because the customer discovers the shape she loves. We give our partners shape display samples, because we know the try-on sells the shape. You can read about the display in our article on shape displays, where the side-by-side try-on wins.

Why Fancy Shapes Attract the Customer Who Wants to Stand Out

The customer who chooses a fancy shape is often the one who does not want a default ring. She wants something that reflects her taste. This customer is valuable, because she is not shopping on price alone. She is shopping on the look, and she will pay for the shape that is her. A retailer that offers fancy shapes attracts these customers, who are loyal and less price-sensitive. We discuss this customer in our article on engagement buyers, where the shape is the personal choice.

Fancy shapes also photograph beautifully, which helps online sales. An oval or emerald ring in a listing photo stands out from the sea of round solitaires. The distinctive shape gets attention, and the customer clicks. We send our partners shape photography, because the distinctive shape is a marketing asset. You can read about the photography in our article on online selling, where the shape gets the click.

Fancy shapes are where the lab diamond margin and the customer demand are both heading. The round is competitive and thin-margin. The oval, emerald, cushion, and marquise are differentiated, less price-compared, and carry better margins. Stock the oval deep, sample the other shapes, display them side by side, and let the customer discover the shape that suits her. Do that, and you attract the customer who wants to stand out, at a margin that rewards you. We cut all the main fancy shapes, so your store can offer the full range without overstocking.

The setting matters just as much as the shape, and this is another reason fancy shapes are good for margin. An oval or emerald does not sit in the same solitaire head as a round. It needs a setting designed for its proportions, often with a basket or halo that complements the elongated outline. A customer who chooses an oval is often choosing the setting that goes with it, and a distinctive setting carries its own margin. The fancy shape therefore opens the door to a setting sale on top of the stone sale. We design settings for oval, emerald, cushion, and marquise, so a partner can offer the whole ring, stone and setting, as one coordinated piece. You can read about the setting side in our article on engagement settings, where the shape dictates the mount. A customer who falls in love with an oval on display rarely buys just the stone. She buys the ring that shows it off, and that is where the retailer earns more. The shape is not just a stone choice. It is the start of a whole custom-feeling ring, and that justifies a higher price than a plain round solitaire on a default mount.

There is also a demographic shift worth noticing. Younger couples, the millennial and Gen Z engagement buyers, are the most likely to choose a fancy shape, because they want a ring that does not look like their parents'. They have grown up seeing celebrity engagement rings in oval and emerald, and they come in asking for those shapes by name. This is not a niche trend that will fade. It is the tastes of the biggest engagement-buying generation, and it is leaning away from the default round. A retailer that only stocks rounds is setting itself up to miss this demographic, who will go to the store that has the oval she saw on the influencer she follows. We discuss this generational shift in our article on lab diamond demand, where the younger buyer leads the shape trend. The good news is that this same buyer is also the most price-comfortable with lab diamonds, because she grew up knowing they are real diamond, just grown. She combines the desire for a distinctive shape with the acceptance of lab, which makes her the perfect customer for a fancy-shape lab diamond line. Stock the ovals and emeralds, and you are stocking for the customer who is walking in the door right now, not the customer who bought a ring ten years ago. That forward-looking shape mix is what keeps a store relevant as the tastes change.

It is worth saying a little more about why the oval specifically has taken over. The round brilliant is the most mathematically brilliant cut, and it will always have fans, but the oval has two practical advantages that customers love. First, its elongated outline makes the finger look longer and slimmer, which is a flattering effect almost everyone wants. Second, an oval of the same carat weight often looks larger on the finger than a round, because its surface spreads across the hand. A customer comparing a one-carat oval to a one-carat round often feels the oval is the bigger, more glamorous choice. This is why the oval is not just a passing trend. It answers two real desires: a more flattering look and more apparent size. We stock ovals in the popular one-to-one-and-a-half-carat range because that is where the demand is, and we recommend any retailer serious about fancy shapes start there. The oval is the door into the whole fancy-shape category, and a store that has it on display will find customers asking for the emerald and the cushion next.

The emerald cut deserves its own note, because it is a shape with a very specific customer. It is not the most brilliant, and it does not hide inclusions. Instead, it offers a sleek, mirrored, architectural look that reads as modern and confident. The customer who chooses an emerald cut usually knows what she wants. She has seen it in old Hollywood rings and in contemporary minimalist designs, and she wants that quiet sophistication rather than a firework of sparkle. This customer is often less price-sensitive and more design-led, which is exactly the kind of buyer a retailer wants. Because the emerald shows the interior so clearly, it rewards a well-clarified stone, and we choose our emeralds carefully. It is a shape where a cheap, cloudy stone fails dramatically, and a clean, well-cut one looks stunning. That quality requirement is actually good for the retailer, because it means the customer who wants an emerald is not shopping on price alone. She is shopping for the right look, and she will pay for it when it is done well.

The cushion shape deserves a moment of its own, because it has quietly become one of the most beloved fancy cuts. Its soft corners and slightly rounded outline give it a warm, vintage feel that works beautifully in both gold and platinum settings. Customers who want something a little romantic and less severe than an emerald often land on a cushion, and it pairs especially well with a halo setting that adds sparkle around the softer shape. Because the cushion's facets scatter light, it is also forgiving of lesser clarity grades, which means a retailer can offer a cushion at a more accessible price point without the stone looking cloudy on the hand. That combination of romance, forgiving clarity, and flexibility in metal is why we keep cushion samples in our range. It is the shape that surprises people, because they come in for an oval and leave falling for the soft, warm cushion instead. That kind of discovery sale is exactly what a good shape display creates.

The marquise and the pear, while smaller sellers, have a loyal following worth serving. The marquise's long, pointed outline is one of the most elongating shapes on the finger, which customers who love a slim look seek out specifically. The pear, teardrop-shaped, has become a favorite for pendants and asymmetrical engagement rings. These shapes do not sell in high volume, which is exactly why a sample approach works: keep one of each to show, and order the rest to demand. A customer who specifically wants a marquise will not buy a round, and she will go to the store that has what she wants. By offering these shapes on a sample basis, the retailer captures that customer without tying up much cash. We keep a small range of these less common shapes available so our partners can say yes to almost any shape request, even the rare ones, and that ability to say yes is what turns a good jeweler into the go-to jeweler.

Stocking the fancy shapes also future-proofs the range, because the preference for distinctive cuts is only growing. The couples buying engagement rings now did not grow up with the default round. They grew up scrolling through thousands of rings online, and they have already seen every shape. A store that only offers the round feels dated to them, even if the round is well made. Offering the oval, emerald, cushion, and marquise signals that you understand how people buy jewelry today. That signal itself wins customers, because it says you are not stuck in 1995. We build our fancy-shape range with this future in mind, because we want our partners to be the store the modern couple thinks of first. The margin follows, but the relevance comes first, and relevance is what keeps a jewelry store alive as tastes move.

Frequently Asked Questions

What is a fancy shape diamond? Any shape that is not a round brilliant: oval, emerald, cushion, marquise, pear, and others.

Which fancy shape sells best? The oval. It elongates the finger and is the most popular non-round lab diamond.

Do fancy shapes carry better margin? Yes. They are less commonly stocked, so customers compare prices less, and the differentiated shape commands a better margin.

Do I need to stock every shape? No. Stock oval samples deep, and sample the emerald, cushion, and marquise, ordering the rest to demand.

Which shape needs the clearest stone? The emerald cut, because its step facets show inclusions more than a brilliant cut.

Fancy lab diamond shapes like oval, emerald, cushion, and marquise are a growing, better-margin alternative to the competitive round. The oval is the best seller, and the other shapes attract customers who want a distinctive look. Stock the oval deep, sample the rest, display them side by side, and let the customer choose the shape that suits her finger and her taste.

We are a lab grown diamond cutter in Hengang, Longgang, Shenzhen, supplying round and fancy shapes with grading reports. If you want our fancy-shape sample set or wholesale pricing, email service@holycome.com and we will send details. You can also read our guide to cutting styles and our notes on lab diamond pricing.