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  • 18kt Yellow Diamond Cut Gold Chain

    SKU: CH9057

    AUD $3,400.00 incl. GST

    Elevate your style with our timeless 18kt gold necklace, an essential piece for any jewellery collection. This beautifully crafted necklace combines the elegance of high-quality 18-karat gold with a simple, sophisticated design that suits every occasion. Whether you’re dressing up for a formal event or adding a touch of luxury to your daily wardrobe, this gold necklace is a versatile accessory that never goes out of style.

    Why Choose an 18kt Gold Necklace?

    An 18kt gold necklace brings the best of both worlds: luxury and durability. With its high gold content, this piece is more than just an accessory—it’s an investment in quality. Unlike lower-karat gold, 18kt gold maintains a rich, warm shine that doesn’t easily tarnish. This makes it ideal for everyday wear, while still offering the elegance of fine jewellery. Discover more about the lasting beauty of our 18kt gold pieces on our fine jewellery collection page.

    Versatile Style for Every Look

    This gold necklace is designed to suit any style, from modern chic to classic elegance. Its understated design makes it easy to layer with other necklaces or wear solo for a minimalist look. Whether you’re pairing it with a pendant or wearing it alone, this necklace adds a touch of sophistication to any outfit. Get inspired with styling ideas by following us on Instagram.

    Why Choose Ernesto Buono Fine Jewellery?

    At Ernesto Buono, we are dedicated to quality and authenticity. Each gold necklace is crafted with care, ensuring you get a piece that’s as enduring as it is beautiful. Known for our commitment to excellence, Ernesto Buono offers a range of luxurious jewellery designed to stand the test of time. Explore our full collection on our website for more necklaces, rings, and bracelets that reflect elegance and style.

    External Resource

    Want to know more about the history and allure of gold? This provides an in-depth look at why gold has been treasured for centuries across cultures.

    Read More

    AUD $3,400.00 incl. GST

    Diamond Badge Ready to Ship
    Ships in 3 business days
    This item is ready to ship and is eligible for our 30-day returns policy on items purchased online.

    Buy Now Pay Later

    With

    December 10, 2025
    Specifications
    • Origin: Italy

    Diamond Care

    At Ernesto Buono Jewellery, we appreciate your purchase. To help you get the most out of your design, we extend your experience with a complimentary lifetime cleaning service.

    When you visit one of our stores through the years, we can provide your beloved Ernesto Buono jewellery with a professional clean to help you get the most out of your piece.

    Our Diamonds

    When shopping with Ernesto Buono Jewellery, we only offer the best for our customers, including the quality of materials. We sell both natural and lab-grown diamond jewellery. For the majority of our jewellery, including our engagement rings, we rely on GIA or IGI graded diamonds. We will always clearly state otherwise if we are using anything else.

    This doesn’t only guarantee the quality but also the authenticity of the sourced stones. For proof of purchase, our engagement rings come with the relevant certificates.

    Free Shipping

    All purchases come with complimentary free shipping on orders Australia-wide. Our shipping is secure and insured. We ship items within 2-4 business days depending on stock availability.

    All Made-to-Order products will be shipped anywhere from 14-25 days from your order being placed.

    Read our full Shipping & Delivery Policy

    Secured Payments

    We only use secure payment processes so you can shop with peace of mind. We also have finance options available through Zip Pay.

    Hand Crafted

    Ernesto Buono Jewellery is proud to offer the expertise of our in-house master jewellers.

    30-day Guarantee

    We will exchange or give your money back with our free 30-day exchange*. We also offer free resizing if required, however, the responsibility of postage associated with resizing lies with the customer.

    All items listed on our website are available in standard sizes and diamond specifications. However, should you require a particular size, metal or diamond specification not available, we offer the option to customise and create the item to your requirements.

    *In instances where the item specified is unavailable and customisation is required, kindly note that crafting these items to order requires additional time. It’s important to also note that all custom orders are non-refundable due to their personalised nature. We are unable to accept returns or issue refunds on custom-made-to-order items.

    Read our full Returns & Refund policy

    SKU: CH9057 Categories: ,
    Fast, Free Shipping Fast, Free Shipping
    Secure & Insured | 30 Day Returns For Online Purchases*
    Order now and your package will ship in 2-4 business days*.
    * Depending on customisation required and stock availability.
    Read our full terms and condtions.

    FAQs - 18kt Gold Necklace

    Is an 18kt gold necklace durable for everyday wear?

    Yes, 18kt gold necklaces are excellent for daily wear. The high gold content in 18kt gold makes it durable and resistant to tarnishing, while still offering a luxurious feel. Whether you’re at work, out with friends, or attending a formal event, this necklace is built to last and stay beautiful.

    How do I care for my 18kt gold necklace?

    Caring for your 18kt gold necklace is simple. Clean it with a soft cloth to maintain its shine, and avoid exposure to harsh chemicals. When not in use, store it in a jewellery box or soft pouch to prevent scratches. With proper care, this necklace will remain radiant for years to come.

    Can I layer this gold necklace with other pieces?

    Absolutely! This gold necklace is designed for versatility. It pairs well with other necklaces in different lengths and metals, like white or rose gold, for a chic, layered look. See how others are styling their Ernesto Buono jewellery on Instagram.

    What makes 18kt gold better than 9kt?

    18kt gold necklaces contain a higher percentage of pure gold, giving them a richer colour and greater durability than 9kt gold. The higher gold content also means it’s less likely to tarnish, offering a long-lasting shine that makes it worth the investment.

    Is this 18kt gold necklace hypoallergenic?

    Yes, 18kt gold is generally hypoallergenic, making it a good choice for those with sensitive skin. Its high gold content minimises the risk of irritation. However, if you have known allergies, it’s always a good idea to check first.

    Can I add a pendant to this 18kt gold necklace?

    Yes, this 18kt gold necklace is perfect for adding a pendant. Choose from our selection or add your own charm to make it uniquely yours.

    600+ 5 Star
Google Reviews

    600+ 5 Star
    Google Reviews

    Free Secure &
Insured Shipping

    Free Secure &
    Insured Shipping

    Free Ring
Resizing

    Free Ring
    Resizing

    Life Time Cleaning & After Care Support

    Life Time Cleaning
    & After Care Support

    Live Customer Support
Email, Phone or Chat

    Live Customer Support
    Email, Phone or Chat

    Zip Money
& Finance Options

    Zip Money
    & Finance Options

    Can’t find what you like? Did you know that you can customise your own engagement ring or send us photo of what you like and we can make it for you?

    Meet our Jewellers and Designers

    Meet our team

    • Ernesto

      Ernesto

      CEO Jewellery Designer

    • Angelina

      Angelina

      Store Manager

    • Maria

      Maria

      Diamonds Specialist

    • Steff

      Steff

      Jewellery Designer

    • Silvana

      Silvana

      Jewellery Designer

    • Hind

      Hind

      Jewellery Designer

    Google Map Terrain

    Very smooth and easy experience dealing with Ernesto. He melted my old gold and custom made me a necklace that turned out exactly how I wanted it and to great quality. Highly recommend.

    StarsStarsStarsStarsStars

    - Diab Finianos

    The best and most honest jeweler in Sydney , Ernesto is a pleasure to deal with and so are all his staff. I highly recommend Ernesto and his team for quality service and jewellery.

    StarsStarsStarsStarsStars

    - Steve

    Ernesto is the best person to deal with. He will assist and help you with anything possible and he is very easy going with the best prices and always looks after his clients. Highly recommend.

    StarsStarsStarsStarsStars

    - Matthew Khouchaba

    Ernesto and Maria have always provided me with the best service and quality jewelry for years. Highly recommend, best in the business.

    StarsStarsStarsStarsStars

    - Jeanpaul Maugeri

    Always a pleasure to deal with Maria and Ernesto bought both the wedding ring and band from here great quality and great deal thankyou again

    StarsStarsStarsStarsStars

    - Sam and Sarah

    I have to say best dicision I ever made. Ernesto was so helpful and if I could give him more than five stars I would.

    StarsStarsStarsStarsStars

    - Norman Ghannoum

    Ernesto Buono Fine Jewellery

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