Ring by Spring — Because forever can't wait   Shop Now

Elongated Hexagon Lab-Grown Diamonds

Conflict-Free & Sustainable

Start Over

1

Choose a setting

2

Choose a diamond

3

Complete Your Ring

Filters

By shape

Round diamond shape icon

Round

Princess diamond shape icon

Princess

Radiant diamond shape icon

Radiant

Pear diamond shape icon

Pear

Cushion diamond shape icon

Cushion

Asscher diamond shape icon

Asscher

Emerald diamond shape icon

Emerald

Marquise diamond shape icon

Marquise

Oval diamond shape icon

Oval

Heart diamond shape icon

Heart

Portuguese diamond shape icon

Portuguese

Long Cushion diamond shape icon

Long Cushion

Antique Cuts diamond shape icon

Antique Cuts

Moval diamond shape icon

Moval

Dutch Marquise diamond shape icon

Dutch Marquise

French Marquise diamond shape icon

French Marquise

Elongated Hexagon diamond shape icon

Elongated Hexagon

By price

to

By report

GIA

IGI

GCAL

By carat

to

By cut

Good

Very Good

Excellent

Ideal

8X

By color

Faint Yellow

Near Colorless

Colorless

L

K

J

I

H

G

F

E

D

By clarity

Inclusion Visible By The Naked Eye

Inclusion Visible Under 10x Magnification

Flawless

I1

SI2

SI1

VS2

VS1

VVS2

VVS1

IF

FL

By polish

Fair

Good

Very Good

Excellent

By symmetry

Fair

Good

Very Good

Excellent

By fluorescence

Strong

Medium

Faint

None

By l/w ratio

to

By table

to

By depth

to

Showing Lab Diamonds ( 0  of 0 )

Search by SKU

Search by Certificate Number/Sku

Quick Ship
Compare (0)

Filter by | Report

  • GIA
  • IGI

Sort By | Price (Low to High)

  • Price (Low to High)
  • Price (High to Low)
  • Carat (Low to High)
  • Carat (High to Low)
  • Color (Low to High)
  • Color (High to Low)
  • Clarity (Low to High)
  • Clarity (High to Low)
  • Cut (Low to High)
  • Cut (High to Low)
COMPARE
VIEW
SHAPE
CARAT
COLOR
INTENSITY
CLARITY
CUT
REPORT
POLISH
SYM.
FLUOR.
L/W
TABLE
DEPTH
QUICK SHIP
PRICE
TOTAL PRICE

Next page

What Makes Elongated Hexagon Lab-Grown Diamonds Special?

Elongated hexagon diamonds are characterized by their six‑sided silhouette, extended profile, and elongated proportions. This shape is ideal for buyers seeking jewelry that feels contemporary and elegant—offering visual size, a distinctive appearance, and versatile setting options, including solitaire rings and halo designs.

  • Unique Geometric Design – Six facets with elongated proportions create a modern, architectural look.
  • Visual Size Advantage – Lengthened shape increases face‑up appearance, making carat weight look larger on the finger.
  • Versatile Style – Complements settings from minimal solitaire to bold halo and side-stone rings.
  • Rustic & Refined Appeal – Perfect for buyers who want engagement rings that stand apart from traditional cut styles like cushion cut or emerald cut diamonds.

Lab‑grown diamonds share the same chemical and physical properties as mined diamonds while offering ethical peace of mind and greater value—making elongated hexagon diamonds a smart choice for modern couples and conscious buyers.

History & Aesthetic Appeal of Hexagon Diamond Shapes

The hexagon diamond shape has roots in early geometric gemstone styles that emphasized symmetry and balance. Its elongated form evolved as designers sought shapes that lengthen the finger and reflect light uniquely across broader facets. Modern lab-grown elongated hexagon diamonds combine this artistic heritage with precision cutting for superior sparkle and consistency.

Design Elements That Enhance Visual Brilliance

  • Facet Structure – Fewer but larger facets create broad flashes of light and distinctive brilliance.
  • Elongated Profile – The long shape makes diamonds appear larger, offering strong visual impact per carat.
  • Symmetry – Balanced proportions reflect light evenly, enhancing sparkle and depth, similar to radiant cut diamonds.

How to Choose the Best Elongated Hexagon Lab-Grown Diamond

Selecting the right diamond influences both beauty and value. Consider cut quality, proportions, color, clarity, and certification when purchasing an elongated hexagon lab‑grown diamond.

Cut Quality and Proportions

Choose balanced depth and table ratios that support light performance and avoid excessive darkness along the stone's length. Proper proportions maximize brilliance in elongated designs.

Color and Clarity for Maximum Aesthetic Appeal

  • Color: D–F for icy white brilliance; G–H near-colorless for slightly warmer tones that pair beautifully with yellow or rose gold settings.
  • Clarity: VS2+ for minimal visible inclusions; SI1 may be acceptable if inclusions are not apparent in everyday wear.

Certification and Trustworthy Grading

Always select diamonds with grading reports from respected labs such as GIA or IGI. Certification ensures authenticity, protects your investment, and increases confidence for resale or appraisal.

Popular Settings That Showcase Elongated Hexagon Diamonds

Elongated hexagon diamonds are versatile in various engagement ring settings and fine jewelry styles:

  • Solitaire: Minimal and timeless, focusing attention on the diamond.
  • Halo: Surrounds the diamond with smaller stones for enhanced sparkle and perceived size.
  • Three-Stone or Side-Stone: Adds balance and symbolism.
  • Bezel: Offers a modern, secure frame for active lifestyles.
  • Vintage-Inspired: Milgrain, filigree, and engraving complement the elongated profile and add romantic detail.

Ethical and Value Advantages of Lab-Grown Diamonds

Choosing lab‑grown diamonds offers benefits beyond aesthetics:

  • Conflict-Free and Traceable: Transparent sourcing and ethical labor practices.
  • Eco-Responsible: Reduced carbon footprint and minimal environmental disruption.
  • Better Value: Significant pricing advantages allow larger carat or higher clarity diamonds within the same budget.
  • High-Quality Consistency: Lab conditions provide predictable clarity and visual performance.

How to Care for Your Elongated Hexagon Lab-Grown Diamond

  • Clean regularly with warm soapy water and a soft brush.
  • Inspect prongs and settings annually with a jeweler.
  • Avoid abrasive chemicals and heavy impact activities.
  • Store separately to prevent scratching or damage.

Realistic Price Expectations and Value Considerations

Prices vary depending on carat, color, clarity, and cut quality. Lab-grown elongated hexagon diamonds generally provide savings compared to mined stones, allowing upgrades in side stones, settings, or clarity without exceeding budget.

FAQ's

An elongated hexagon lab-grown diamond is a six-sided, lengthened diamond created in a laboratory. It combines a modern geometric design with ethical, conflict-free sourcing and the same brilliance, clarity, and durability as mined diamonds.

Elongated hexagon diamonds are distinguished by their six-sided silhouette, elongated profile, and architectural sparkle. Compared to round, oval, or cushion cuts, they offer a slimmer, finger-flattering appearance and a contemporary, statement-making aesthetic.

Yes. Lab-grown elongated hexagon diamonds are ethically produced with conflict-free sourcing, reduced environmental impact, and the same chemical and physical properties as mined diamonds. Each diamond comes with certification from trusted labs like GIA or IGI to ensure authenticity and quality.

Elongated hexagon diamonds are ideal for solitaire rings, halo engagement rings, side-stone designs, pendants, statement earrings, and custom jewelry. Their bold geometry enhances contemporary and artistic settings.

Prioritize cut quality for maximum brilliance, a length-to-width ratio of 1.4–1.6 for elegance, color D–F for colorless or G–H for near-colorless tones, clarity VS2 or higher, and certification from GIA or IGI. Comparing multiple certified stones helps identify the best value and appearance.

Absolutely. These diamonds can be custom-set into engagement rings, wedding bands, pendants, earrings, bracelets, or bespoke designs tailored to your style and jewelry vision.

Clean with warm soapy water and a soft brush, avoid harsh chemicals, store separately to prevent scratching, and have prongs and settings professionally inspected annually to maintain brilliance and security.

Certified elongated hexagon lab-grown diamonds are available in the Stienhardt Elongated Hexagon Diamond Collection, offering ethically sourced stones, verified grading reports, and ready-to-wear or customizable options.

They offer a unique geometric aesthetic, slim and finger-flattering proportions, ethical sourcing, and architectural brilliance. Perfect for modern engagement rings or statement jewelry that stands out from traditional round, oval, or cushion cuts.