Buy Moissanite Octagon Necklace
Step into bold elegance with our Octagon Moissanite Necklaces, beautifully crafted in 100% solid 14k & 18k gold and set with radiant certified Moissanite stones. The sharp angles and clean lines of the octagon cut bring a contemporary edge to timeless sparkle, offering a fresh take on fine jewellery that’s as refined as it is modern.
Each necklace is handcrafted, GRA certified, and shipped across the UK with free delivery, secure tamper-proof packaging, and a complete invoice. For those who love clean geometry and brilliant light—this one’s for you.
14K Gold Moissanite Diamond Rectangle Octagon Heart Necklace
"Elegant 14K Gold Moissanite Diamond Rectangle Octagon Heart Necklace – a striking design with a mix of shapes and Moissanite diamonds for a sophisticated look."
14K Gold Octagon Moissanite Diamond Necklace
14K Solid Gold Stunning Moissanite Diamond Line Pave Necklace: Flat Octagonal Emerald Shape
This 14K solid gold necklace features a stunning line of pave-set moissanite diamonds in a flat octagonal emerald shape—perfect for timeless, refined glamour.
18k Solid Gold Moissanite Diamond Rectangle Octagon Heart Necklace
A modern geometric-meets-romantic necklace in solid 18K gold, featuring a sparkling 0.15 CTW Premium Moissanite centre stone and an elegant multi-shape motif.
18k Solid Gold Octagon Moissanite Diamond Necklace
18k Solid Gold Stunning Moissanite Diamond Line Pave Necklace: Flat Octagonal Emerald Shape
History, Types, Cultural Significance Of Moissanite Octagon Necklace
The octagon cut combines the elegance of an emerald shape with the brilliance of a step-cut design. It’s known for its depth, symmetry, and refined sparkle, making it a popular choice for those who love structured, statement-worthy pieces.
Our octagon Moissanite necklace collection features:
Solitaire octagon pendants with sleek bezel or prong settings
Halo-framed designs for extra dimension and shine
Minimalist horizontal or vertical layouts
Adjustable fine chains are perfect for layering or standalone wear
Offered in yellow, white, or rose 14k & 18k solid gold, each design is made to balance bold shape with elegant radiance.
Quality of Material Used
Each necklace is made with 100% solid 14k & 18k gold, not plated or filled, ensuring lasting beauty, shine, and heirloom quality.
Our Moissanite stones are ethically sourced, expertly faceted for precision and fire, and hand-set for maximum security. All jewellery is hypoallergenic, nickel-free, and comfortable for daily wear—even on sensitive skin.
Certifications Provided
Every octagon Moissanite necklace comes with a GRA certificate, verifying the authenticity, brilliance, and clarity of the Moissanite. Your order also includes:
A 14k & 18k gold purity stamp
A complete invoice
Full certification documentation
Certified jewellery means every angle of sparkle is backed by trust and quality.
Craftsmanship
Each necklace is handcrafted by skilled artisans, with special attention given to symmetry, polishing, and secure stone setting. The angular form of the octagon cut demands precision—something our jewellers deliver with care and expertise.
All pieces undergo a multi-step inspection to ensure a flawless finish and secure fit. The result is handcrafted fine jewellery designed to shine from every angle.
Frequently Asked Questions
1. How long does shipping take to the UK?
Shipping takes 12 to 22 business days from our studio to your U.K. address.
2. Is this necklace made from real gold?
Yes, we use 100% solid 14k & 18k gold—never plated or gold-filled.
3. What is your return policy?
We accept returns only for damaged items or if the wrong product is sent.
4. Is shipping free across the UK?
Yes, we offer free shipping on all orders within the U.K.
5. Will I receive tracking details?
Yes, tracking information is provided once your order is dispatched.
6. How can I contact The Karat Store?
Email us anytime at contact@thekaratstore.uk for support or to place custom orders.
7. Are your Moissanite stones certified?
Yes, every stone is GRA certified, and each necklace is 14k & 18k gold stamped.
8. Can I customise an octagon necklace?
Absolutely! We accept custom orders—choose your stone size, chain length, or add a halo frame.
9. Are the necklaces hypoallergenic?
Yes, all our jewellery is hypoallergenic and nickel-free, perfect for sensitive skin.
10. How is the necklace packaged?
Each necklace comes in secure, tamper-proof packaging, ready for gifting or safekeeping.
