18k Solid Gold Moissanite Diamond Square Octagon Stud Earring
£1,140.00
Sleek, geometric studs in 18K solid gold, set with radiant Premium Moissanite for everyday sparkle with a modern edge.
Refined and beautifully modern, these square-octagon stud earrings bring crisp geometry to classic fine jewellery. Crafted in 18K solid gold, they’re designed to sit neatly on the ear and elevate everything from casual knits to evening looks.
At the centre, Premium Moissanite delivers a bright, diamond-like brilliance in a clean octagon silhouette—polished, understated, and endlessly wearable. Choose from Yellow Gold, Rose Gold, or White Gold to suit your style (or mix for a curated ear stack).
Finished with secure backings for confidence and comfort, these studs are GRA certified and arrive in The Karat Store’s signature jewellery box—ideal for gifting or keeping.
Key Highlights
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Geometric Octagon Design: A crisp square-octagon silhouette for a contemporary, elegant look.
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Premium Moissanite Sparkle: Set with Premium Moissanite in DE colour and VVS clarity for exceptional brilliance.
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18K Solid Gold Finish: Available in Yellow, Rose, and White Gold to match your jewellery wardrobe.
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Certified Quality: Supplied with GRA certification for peace of mind.
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Gift-Ready Presentation: Delivered in The Karat Store’s signature jewellery box.
Product Details Summary
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Metal: 18K Solid Gold
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Gold Colour Options: White Gold, Rose Gold, Yellow Gold
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Stone: Premium Moissanite (Colour: DE; Clarity: VVS)
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Design: Octagon shape with a centre stone
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Certification: GRA
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Packaging: The Karat Store signature jewellery box
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Shipping Time: 15–25 business days
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Customer Support: Live chat & video call assistance
We offer free shipping across the USA on all orders—no minimum required.
Processing & Handling: 5–10 business days
Shipping Time: 10–15 business days
Total Delivery Time: 15–25 business days from the date of order
Carriers: USPS & UPSÂ
Please inspect your package upon delivery for any damage or tampering before signing.
For assistance, contact us at contact@thekaratstore.uk.
Thank you for shopping with The Karat Store US!
We take pride in offering high-quality jewelry and providing the necessary certifications to ensure your peace of mind. Below is a breakdown of the certification process for each product type:
Lab-Grown Solitaire Jewelry:Â Certified by the International Gemological Institute (IGI)Â for authenticity and quality.
Gemstone Jewelry:Â Accompanied by a detailed Gemologist Report.
- Certified by YGA (Your Gemologist Associatio.
- Optional Certification: For IGI or GIA certification, available upon request. Please note that this comes with a 30-40 day waiting period and an additional charge.
Moissanite Jewelry:Â Certified by the Gemological Research Association (GRA)Â with a comprehensive report.
For more details, Check out our certification information page.
To keep your jewelry from The Karat Store looking its best, follow these simple care tips:
- Clean Regularly: Use a mild soap and water solution, gently scrub with a soft brush, rinse, and dry with a soft cloth.
- Store Safely: Keep your jewelry in a dry place, in a jewelry box or soft pouch, and separate pieces to avoid scratches.
- Avoid Chemicals: Remove jewelry before swimming or using cleaning products to prevent exposure to harsh chemicals.
- Handle with Care: Avoid wearing jewelry during activities that may cause damage, such as exercising or heavy lifting.
- Inspect Periodically: Check for loose stones or worn settings. Contact us for repairs if needed.
By following these tips, you can ensure your 14k gold jewelry remains beautiful for years to come. For any questions, contact us at thekaratstore@gmail.com.
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