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Rainbow Green Moissanite Cushion Cut Gemstone with GRA Certificate

$42.93$46.61

Moissanite was first discovered in a meteorite crater. The material that occurs naturally is vanishingly rare — which is why... Read more Read more

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Description

Moissanite was first discovered in a meteorite crater. The material that occurs naturally is vanishingly rare — which is why the finest moissanite today is grown in controlled laboratory conditions that replicate and often surpass the optical properties of the original. This Rainbow Green Cushion Cut is one of the more unusual expressions of the material: a colour variant that shifts through green and spectral tones under different light conditions, producing a display that a white or near-colourless stone simply cannot replicate. The cushion cut — a rounded-corner square profile with large, open facets — is specifically chosen for coloured moissanite because it allows maximum light return through the body of the stone, which is where a coloured gem's character lives.

Each stone is GRA certified, with documentation confirming the stone's specifications, origin as a lab-created moissanite, and quality parameters. Available in eight sizes from 0.5ct (4.5x4.5mm) through 5.0ct (10x10mm), supplied as a loose stone ready for setting in a ring, pendant, earring, or any custom jewelry application. Moissanite rates 9.25 on the Mohs hardness scale — second only to diamond — which means it is appropriate for daily-wear jewelry without concern for surface scratching under normal conditions.

A coloured stone for those who understand that brilliance is not only a property of white gems.

Rainbow Green Cushion Cut Lab Created GRA Certified 0.5ct–5.0ct Mohs 9.25 Loose Stone Imported
Why This Gemstone
  • Rainbow green colour — genuinely uncommon: Intrinsic to the crystal as grown, not a coating. Reads differently under daylight vs incandescent light.
  • Cushion cut — chosen for coloured stones: Large open facets allow light through the body where a coloured gem's character lives.
  • Lab created — consistent, traceable: No mining, no geographic variability, repeatable quality.
  • GRA certificate included: Confirms carat weight, dimensions, quality grade. Required for custom jewelry sales.
  • Mohs 9.25 — daily-wear appropriate: Second only to diamond. Will not scratch under normal conditions.
  • Eight sizes — 0.5ct to 5.0ct: 4.5x4.5mm accent through 10x10mm statement centrepiece. Variant-level selection.
  • Loose stone — any setting: Ring, pendant, earring, or custom application.
Who This Is For & How It Helps

Primary Buyer Profiles: Jewelry designers sourcing for custom commissions; buyers having a stone set locally; collectors; individuals seeking a coloured centrepiece for engagement, right-hand ring, or pendant.

Why Moissanite Over Other Coloured Stones: Higher refractive index (2.65 vs sapphire's 1.77) means more spectral colour in the flash — particularly effective in a stone that already carries body colour.

Size Selection Guidance: 0.5ct–1.0ct for accents and earrings. 1.5ct–2.0ct for ring and pendant centrepieces. 2.5ct–5.0ct for cocktail rings and large pendants. Always confirm millimetre dimensions against your setting's stone seat.

Working with the GRA Certificate: Present to your client as documentation of identity, origin, and specifications. Sufficient for most retail and custom jewelry applications.

Gemstone Specifications
Stone Type Moissanite (lab created)
Colour Rainbow Green
Cut Cushion Cut
Available Sizes 0.5ct (4.5x4.5mm), 1.0ct (6x6mm), 1.5ct (6.5x6.5mm), 2.0ct (7x7mm), 2.5ct (8x8mm), 3.0ct (8.5x8.5mm), 3.5ct (9x9mm), 5.0ct (10x10mm)
Hardness 9.25 Mohs
Refractive Index 2.65–2.69
Certificate GRA (Gemological Research Association)
Supply Format Loose stone (not set)
Suitable For Rings, pendants, earrings, custom settings
Weight As selected variant
Origin Imported
Fulfilment Type Standard
Styling Tips & Suggestions
Solitaire Ring — Letting the Colour Lead
White gold or platinum, four or six-prong. Avoid yellow gold — it competes with the green. Rose gold is a deliberate contrast choice.
Halo Setting — Amplifying the Colour
White moissanite halo makes the green body colour read more saturated at centre. Most effective colour-amplifying setting style.
Pendant — Maximising the Rainbow Effect
Movement catches light from all angles — maximises the spectral display. Bezel or tension setting in white gold or platinum.
Earrings — Colour at Eye Level
Matched 0.5ct or 1.0ct pair in four-prong studs. Natural and artificial light simultaneously — most complete spectral expression.
Cocktail Ring — Statement Scale
3.0ct–5.0ct sizes. Occasion pieces designed to be seen across a room.
Custom Commission — Designer Notes
Art deco and vintage settings work well. Nature-inspired motifs in white or green gold complement the spectral green without competing.
Alternative Engagement Ring — Non-White Centrepiece
1.5ct–2.5ct most appropriate engagement scale in this colour. GRA certificate provides formal documentation.
Not Ideal For: Buyers needing a set stone — loose only. Not a substitute for mined emerald or sapphire where natural origin is required. Strong colour — not suited to all styles.
Frequently Asked Questions
Is rainbow green a coating or intrinsic?
Intrinsic — not a coating or treatment. Will not wear off or fade. The spectral shift under different lighting is also intrinsic.
What does GRA certification confirm?
Lab-created moissanite identity, carat weight, millimetre dimensions, and colour grade. Standard certification accepted for custom jewelry sales.
How hard is moissanite?
9.25 Mohs — second only to diamond (10). Sapphire and ruby are 9, emerald 7.5–8. Daily-wear appropriate under normal conditions.
Which size for a ring centrepiece?
1.5ct (6.5x6.5mm) and 2.0ct (7x7mm) most common. Confirm millimetres against your setting — mm determine physical fit.
Can I have this set by my own jeweler?
Yes — supplied loose. Provide mm dimensions and GRA certificate. Your jeweler can confirm or source an appropriate setting.
How does moissanite compare to diamond in brilliance?
Higher refractive index (2.65–2.69 vs 2.42) and fire dispersion (0.104 vs 0.044) — more spectral colour in the flash. In a coloured stone, a particularly striking combined effect.
Suitable for an engagement ring?
Yes — 9.25 Mohs is daily-wear appropriate. Rainbow green is non-traditional. 1.5ct–2.5ct most suitable for centrepiece scale.
Important Notices & Disclaimers

Loose Stone Only: Supplied unset. No mounting included. A separate setting is required for wearable use.

Size Confirmation: Always confirm millimetre dimensions against your intended setting before ordering. Millimetres determine physical fit.

Product Information: All specifications sourced from supplier and presented in good faith. Colour appearance may vary under different lighting — an inherent property of moissanite.

Shipping & Delivery
Order Processing
1–3 business days from payment confirmation. Weekend and public holiday orders processed on the next business day.
Delivery Timeframes
Domestic: 5–10 business days. International: 10–20 business days. Estimates only.
Order Tracking
Tracking number provided via email once dispatched.
Need Help?
Contact our team via the store's contact page. Include your order number and checkout email.

Imported lab-created gemstone. All specifications sourced from supplier and presented as received. Colour appearance may vary under different lighting. Confirm all dimensions against your intended setting before purchase.

We ship worldwide — no matter where you are.

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