Gemstone Shapes & Cuts: The Ultimate Guide

When it comes to jewelry, especially fine jewelry, the shape and cut of a gemstone plays a major role in the beauty and brilliance of a piece. Each cut showcases different unique aspects of a gemstone by affecting how it reflects light and how it influences its perceived size.

Whether you’re shopping for an engagement ring, a pendant, or a custom designed jewelry piece, understanding gemstone cuts helps you find a piece that truly matches your style.

In this journal:

    Before beginning, the word “facet” will be used frequently in this guide. A facet is a flat surface on a gemstone.

    Here's a complete guide to the most common and beloved gemstone shapes.

    1. Round Cut

    The round cut is considered the most classic and timeless gemstone shape. It has 58 facets, making it engineered for maximum brilliance and sparkle. Round cuts are perfect for engagement rings and elegant jewelry that never goes out of style.

    Best for: Those who love classic, refined designs.

    2. Princess Cut

    The princess cut is a modern favorite. It is known for its sharp corners and square silhouette. It combines exceptional sparkle with contemporary sophistication.

    Best for: Modern jewelry lovers who prefer clean, bold lines.

    3. Oval Cut

    The oval cut has a graceful, elongated look. Its shape gives the illusion of a larger gemstone while maintaining a brilliant sparkle.

    Best for: Those who want timeless beauty with a touch of uniqueness, and those who like larger stones.

    4. Emerald Cut

    The emerald cut has a rectangular shape with long, elegant facets that create a hall-of-mirrors effect. The emerald cut emphasizes clarity over sparkle, for a vintage-inspired look.

    Best for: Those who like vintage glamour and sophistication.

    5. Cushion Cut

    The cushion cut, also known as a pillow cut, combines soft, rounded corners with large facets for a romantic, antique glow.

    Best for: Those who love heirloom-style or vintage-inspired jewelry.

    6. Marquise Cut

    The marquise cut is known for its elongated body and pointed ends. It gives gemstones a regal and dramatic appearance while making them appear larger.

    Best for: Those who like glamorous, luxurious designs.

    7. Pear Cut

    The pear cut, or teardrop shape, combined the brilliance of a round cut with the elegance of a marquise. It's eye-catching and elongates the finger or neckline beautifully.

    Best for: Bold, expressive personalities and statement pieces.

    8. Radiant Cut

    The radiant cut combines the sparkle of a round cut with the shape of an emerald, resulting in unmatched brilliance and a modern appeal.

    Best for: Those who want maximum sparkle and a unique silhouette.

    9. Heart Cut

    The heart cut is a symbol of love and romance. Its intricate heart shape requires precision and symmetry.

    Best for: Romance lovers and meaningful gifts.

    10. Asscher Cut

    The Asscher cut has a square shape and step-like facets similar to an emerald cut. It has a deep, mesmerizing sparkle that draws the eye.

    Best for: Vintage and art-deco lovers.

    11. Trillion Cut

    The trillion cut, also known as trilliant, has a triangular shape with brilliant facets. It's often used for side stones but also shines as a centerpiece.

    Best for: Those who love modern, bold, and edgy styles.

    12. Baguette Cut

    The baguette cut is long and rectangular, with straight step facets. It's typically used as accent or side stones to enhance larger gemstones.

    Best for: Elegant, minimalist designs with a timeless touch.

    13. Briolette Cut

    The briolette cut is a fully faceted teardrop shape. Its 360 degree sparkle makes it shimmer beautifully from every angle.

    Best for: Dangle earrings or pendants that catch the light with every move.

    14. Cabochon Cut

    The cabochon cut is smooth, rounded, and polished, unlike faceted cuts. It shows off a gemstone's natural beauty, color, or pattern. It's often used for opaque stones like opal, turquoise, or moonstone.

    Best for: Those who like showing off the unique color/texture of gemstones.

    Choosing the Right Gemstone Cut

    Each gemstone cut tells its own story — from timeless elegance to modern sparkle. When choosing your ideal cut, consider:

    • Your personal style: classic, contemporary, or bold
    • The gemstone: some cuts highlight clarity or color better
    • The jewelry type: certain shapes suit rings, earrings, or pendants best

    At BMT Jewelry, we offer diamond, gemstone, and custom jewelry in various shapes and cuts. Whether you're drawn to a round diamond's timeless sparkle or the artistic beauty of a pear-cut gemstone, we can help you find (or design) the perfect piece that reflects your style.

    Table Comparison


    Table Summary of Gemstone Shapes & Cuts
    Name Description Best for
    Round Cut Considered the most classic and timeless gemstone shape. It has 58 facets, making it engineered for maximum brilliance and sparkle. Round cuts are perfect for engagement rings and elegant jewelry that never goes out of style. Those who love classic, refined designs.
    Princess Cut A modern favorite. It is known for its sharp corners and square silhouette. It combines exceptional sparkle with contemporary sophistication. Modern jewelry lovers who prefer clean, bold lines.
    Oval Cut A graceful, elongated look. Its shape gives the illusion of a larger gemstone while maintaining a brilliant sparkle. Those who want timeless beauty with a touch of uniqueness, and those who like larger stones.
    Emerald Cut A rectangular shape with long, elegant facets that create a hall-of-mirrors effect. The emerald cut emphasizes clarity over sparkle, for a vintage-inspired look. Those who like vintage glamour and sophistication.
    Cushion Cut Also known as a pillow cut, combines soft, rounded corners with large facets for a romantic, antique glow. Those who love heirloom-style or vintage-inspired jewelry.
    Marquise Cut Known for its elongated body and pointed ends. It gives gemstones a regal and dramatic appearance while making them appear larger. Those who like glamorous, luxurious designs.
    Pear Cut (Teardrop) Combines the brilliance of a round cut with the elegance of a marquise. It’s eye-catching and elongates the finger or neckline beautifully. Bold, expressive personalities and statement pieces.
    Radiant Cut Combines the sparkle of a round cut with the shape of an emerald, resulting in unmatched brilliance and a modern appeal. Those who want maximum sparkle and a unique silhouette.
    Heart Cut A symbol of love and romance. Its intricate heart shape requires precision and symmetry. Romance lovers and meaningful gifts.
    Asscher Cut Has a square shape and step-like facets similar to an emerald cut. It has a deep, mesmerizing sparkle that draws the eye. Vintage and art-deco lovers.
    Trillion Cut (Trilliant) Has a triangular shape with brilliant facets. It’s often used for side stones but also shines as a centerpiece. Those who love modern, bold, and edgy styles.
    Baguette Cut Long and rectangular, with straight step facets. It’s typically used as accent or side stones to enhance larger gemstones. Elegant, minimalist designs with a timeless touch.
    Briolette Cut A fully faceted teardrop shape. Its 360 degree sparkle makes it shimmer beautifully from every angle. Dangle earrings or pendants that catch the light with every move.
    Cabochon Cut Smooth, rounded, and polished, unlike faceted cuts. It shows off a gemstone’s natural beauty, color, or pattern. It’s often used for opaque stones like opal, turquoise, or moonstone. Those who like showing off the unique color/texture of gemstones.