Coffin cut diamond

Coffin Cut Diamond for Modern Jewelry Designs

The coffin cut diamond is a bold and striking diamond shape featuring sharp edges and an elongated silhouette. With inspiration from modern and gothic design elements, this uniquely cut diamond works best for statement pieces that are truly one-of-a-kind. Structured facets lend depth and personality, making it a preferred choice when creating more interesting and unconventional designs.

Every coffin-cut diamond is masterfully shaped at Shree Diamond to achieve clean lines, well-balanced proportions, and an arresting appearance. These diamonds are commonly used in engagement rings, pendants, earrings, and custom jewelry pieces that stand out and beg for individuality and edge. This is particularly good in black diamonds for that dramatic, plush look.

Each diamond is examined to guarantee quality, resilience, and exact cutting. Suitable for various sizes and finishes, coffin-cut diamonds allow flexibility both for designers and lovers of jewelry. Whether creating a custom piece or selecting a one-of-a-kind diamond to add to your collection, choosing a coffin cut diamond adds character, confidence, and a modern aesthetic to any jewelry design.

15 products

  • Fancy Black Color Loose Diamond, Natural Coffin Shape 6.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 6.00 X 8.00 MM
    Fancy Black Color Loose Diamond, Natural Coffin Shape 6.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 6.00 X 8.00 MM
    Shree Diamond Mfg

    Fancy Black Color Loose Diamond, Natural Coffin Shape 6.00 X 8.00 MM

    $399.00
    $399.00

    General::Clarity::Opaque, General::Size::6.00 X 8.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::1.50-1.60 ct (approx), General::Shape::Coffin
  • Fancy Black Color Loose Diamond, Natural Coffin Shape 5.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 5.00 X 8.00 MM
    Fancy Black Color Loose Diamond, Natural Coffin Shape 5.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 5.00 X 8.00 MM
    Shree Diamond Mfg

    Fancy Black Color Loose Diamond, Natural Coffin Shape 5.00 X 8.00 MM

    $337.00
    $337.00

    General::Clarity::Opaque, General::Size::5.00 X 8.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::1.00-1.30 ct (approx), General::Shape::Coffin
  • Fancy Black Color Loose Diamond, Natural Coffin Shape 12.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 12.00 X 8.00 MM
    Fancy Black Color Loose Diamond, Natural Coffin Shape 12.00 X 8.00 MMFancy Black Color Loose Diamond, Natural Coffin Shape 12.00 X 8.00 MM
    Shree Diamond Mfg

    Fancy Black Color Loose Diamond, Natural Coffin Shape 12.00 X 8.00 MM

    $1,089.00
    $1,089.00

    General::Clarity::Opaque, General::Size::12.00 X 8.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::3.50-4.00 ct (approx), General::Shape::Coffin
  • Fancy Black Color Loose Diamond, Coffin Shape 5.00 X 7.00 MMFancy Black Color Loose Diamond, Coffin Shape 5.00 X 7.00 MM
    Fancy Black Color Loose Diamond, Coffin Shape 5.00 X 7.00 MMFancy Black Color Loose Diamond, Coffin Shape 5.00 X 7.00 MM
    Shree Diamond Mfg

    Fancy Black Color Loose Diamond, Coffin Shape 5.00 X 7.00 MM

    $299.00
    $299.00

    General::Clarity::Opaque, General::Size::5.00 X 7.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::0.95-1.20 ct (approx), General::Shape::Coffin
  • Fancy Black Color Loose Diamond, Coffin Shape 10.00 X 7.00 MMFancy Black Color Loose Diamond, Coffin Shape 10.00 X 7.00 MM
    Fancy Black Color Loose Diamond, Coffin Shape 10.00 X 7.00 MMFancy Black Color Loose Diamond, Coffin Shape 10.00 X 7.00 MM
    Shree Diamond Mfg

    Fancy Black Color Loose Diamond, Coffin Shape 10.00 X 7.00 MM

    $689.00
    $689.00

    General::Clarity::Opaque, General::Size::10.00 X 7.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::2.50-2.70 ct (approx), General::Shape::Coffin
  • AAA Coffin Shape Fancy Black Natural Loose Diamond, 1.23 Carat
    AAA Coffin Shape Fancy Black Natural Loose Diamond, 1.23 Carat
    Shree Diamond Mfg

    Coffin Shape Fancy Black Natural Loose Diamond, 1.23 Carat

    $220.00
    $220.00

    General::Diamond Details ::Natural Diamond Shape: Coffin Cut: Very Good Carat: 1.23 Carat Color: Black Clarity: Opaque Size: 8 X 5.53 X 3.21 MM Origin Of Diamond:...
  • Coffin Shape Fancy Black Natural Loose Diamond
    Coffin Shape Fancy Black Natural Loose Diamond
    Sold out
    Shree Diamond Mfg

    Coffin Shape Fancy Black Natural Loose Diamond, 1.13 Carat

    $203.00
    $203.00
  • Coffin Shape Fancy Black Natural Loose Diamond Buy Online In USA
    Coffin Shape Fancy Black Natural Loose Diamond Buy Online In USA
    Shree Diamond Mfg

    Coffin Shape Fancy Black Natural Loose Diamond, 0.98 Carat

    $175.00
    $175.00
  • Coffin Shape Diamond 7.00 X 9.00 MM Fancy Black Color Loose DiamondCoffin Shape Diamond 7.00 X 9.00 MM Fancy Black Color Loose Diamond
    Coffin Shape Diamond 7.00 X 9.00 MM Fancy Black Color Loose DiamondCoffin Shape Diamond 7.00 X 9.00 MM Fancy Black Color Loose Diamond
    Shree Diamond Mfg

    Coffin Shape Diamond 7.00 X 9.00 MM Fancy Black Color Loose Diamond

    $579.00
    $579.00

    General::Clarity::Opaque, General::Size::7.00 X 9.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::2.00-2.30 ct (approx), General::Shape::Coffin
  • Coffin Shape Diamond 4.00 X 6.00 MM Fancy Black Color Loose DiamondCoffin Shape Diamond 4.00 X 6.00 MM Fancy Black Color Loose Diamond
    Coffin Shape Diamond 4.00 X 6.00 MM Fancy Black Color Loose DiamondCoffin Shape Diamond 4.00 X 6.00 MM Fancy Black Color Loose Diamond
    Shree Diamond Mfg

    Coffin Shape Diamond 4.00 X 6.00 MM Fancy Black Color Loose Diamond

    $149.00
    $149.00

    General::Clarity::Opaque, General::Size::4.00 X 6.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::0.50-0.60 ct (approx), General::Shape::Coffin
  • Coffin Diamond 6.00 X 9.00 MM Fancy Black Color Loose DiamondCoffin Diamond 6.00 X 9.00 MM Fancy Black Color Loose Diamond
    Coffin Diamond 6.00 X 9.00 MM Fancy Black Color Loose DiamondCoffin Diamond 6.00 X 9.00 MM Fancy Black Color Loose Diamond
    Shree Diamond Mfg

    Coffin Diamond 6.00 X 9.00 MM Fancy Black Color Loose Diamond

    $449.00
    $449.00

    General::Clarity::Opaque, General::Size::6.00 X 9.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::1.60-1.80 ct (approx), General::Shape::Coffin
  • Coffin Black Diamond 10.00 X 8.00 MM Fancy Black Color Diamond for RingCoffin Black Diamond 10.00 X 8.00 MM Fancy Black Color Diamond for Ring
    Coffin Black Diamond 10.00 X 8.00 MM Fancy Black Color Diamond for RingCoffin Black Diamond 10.00 X 8.00 MM Fancy Black Color Diamond for Ring
    Shree Diamond Mfg

    Coffin Black Diamond 10.00 X 8.00 MM Fancy Black Color Diamond for Ring

    $769.00
    $769.00

    General::Clarity::Opaque, General::Size::10.00 X 8.00 MM, General::Cut::Very Good, General::Treatment::100% Natural Diamond but Color is Treated, General::Color::Black, General::Weight::2.70-3.00 ct (approx), General::Shape::Coffin
  • AAA Coffin Shape Fancy Black Natural Loose Diamond
    AAA Coffin Shape Fancy Black Natural Loose Diamond
    Shree Diamond Mfg

    AAA Coffin Shape Fancy Black Natural Loose Diamond 1.47 Carat

    $260.00
    $260.00

    General::Diamond Details ::Natural Diamond Shape: Coffin Cut: Very Good Carat: 1.47 Carat Color: Black Clarity: Opaque Size: 8.36 x 6.61 x 3.55 MM Origin Of Diamond:...
  • AAA Coffin Shape Fancy Black Natural Loose Diamond
    AAA Coffin Shape Fancy Black Natural Loose Diamond
    Shree Diamond Mfg

    AAA Coffin Shape Fancy Black Natural Loose Diamond 1.27 Carat

    $225.00
    $225.00

    General::Diamond Details ::Natural Diamond Shape: Coffin Cut: Very Good Carat: 1.27 Carat Color: Black Clarity: Opaque Size: 7.84 x 5.52 x 3.48 MM Origin Of Diamond:...
  • Coffin Shape Fancy Black Natural Loose Diamond SOUTH AFRICA USA
    Coffin Shape Fancy Black Natural Loose Diamond SOUTH AFRICA USA
    Sold out
    Shree Diamond Mfg

    AAA Coffin Shape Fancy Black Natural Loose Diamond 1.03 Carat

    $186.00
    $186.00

    General::Diamond Details ::Natural Diamond Shape: Coffin Cut: Very Good Carat: 1.03 Carat Color: Black Clarity: Opaque Size: 7.92 x 5.58 x 2.63 MM Origin Of Diamond:...

Frequently Asked Questions

A coffin cut black diamond is a diamond shaped like a coffin with straight sides and pointed corners. It looks bold, modern, and very unique.
People choose this cut because it looks different from regular diamond shapes. It is perfect for someone who wants a strong, stylish, and edgy look.
Yes, black diamonds are real diamonds. Some are natural, and some are treated to get a deep black color. Both are strong and long-lasting.
Yes, it is good for daily wear if set properly. A secure setting helps protect the corners of the diamond.
Coffin cut black diamonds are great for rings, pendants, earrings, and custom jewelry designs.
Black diamonds shine differently than white diamonds. They have less sparkle but a strong, glossy look that feels bold and stylish.
Black diamonds are usually more affordable than white diamonds. The price depends on size, quality, and whether the diamond is natural or treated.
Yes, coffin cut black diamonds are perfect for custom jewelry. Many people choose them for unique rings and statement pieces.
Yes, they are becoming popular for engagement rings, especially for people who want something modern and non-traditional.
Clean it gently with warm water, mild soap, and a soft brush. Avoid harsh chemicals to keep it looking good.