We've heard you! Cullen Jewellery is thrilled to announce our grand opening in Sydney, and we're celebrating in style. To share our joy, we're giving a stunning carbon neutral Lab Grown Diamond Ring worth up to 10, 000 AUD to one lucky winner — anywhere in the world. 💍
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Cullen Jewellery's selection of lab grown diamonds is certified 100% Carbon Neutral by Clear Neutral, an authority in carbon neutral certification. Embrace a brilliant, sustainable tomorrow by choosing our lab grown diamonds today.
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Discover your perfect engagement ring at a virtual showroom appointment. Explore our most sought-after designs and experience the exceptional personalised service we're renowned for.
We celebrate life's cherished moments, conscientiously. We craft premium engagement rings and fine jewellery exclusively with carbon neutral lab grown diamonds and moissanite. Situated in the heart of Melbourne, Australia, our legacy of superior craftsmanship lies in the hands of jewellers with generational experience. By pairing accessible elegance with a commitment to sustainability, every piece is more than a symbol — it's a promise of love, ethically made and faithfully kept.
If you need help placing an online order, please contact us here and one of our friendly team members will get in touch with you.
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Cullen Jewellery offers a free Lifetime Warranty from the date of invoice against any manufacturing defects on all gold and platinum jewellery. Read more about our full warranty terms and conditions here.
Showroom visits are available by appointment only. Our conveniently located showrooms in Melbourne and Brisbane showcase a selection of our most popular lab grown diamond and moissanite engagement rings. By scheduling an appointment, you will receive personalised care and advice from our experienced staff. To book a showroom appointment, please click here!
At Cullen Jewellery, we offer free ring sizers so you can measure your ring size in the comfort of your own home! Simply fill out this form and allow up to 4 working days for your free ring sizer to arrive.
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With the exact same optical, chemical, thermal and physical properties, the only difference between lab grown diamonds and mined diamonds is their origin. Lab grown diamonds are grown in controlled laboratory environments that produce the same pressure and heat conditions that form mined diamonds in the earth's crust.
A lab grown diamond has the same chemical and physical properties as a diamond while a simulant is made of a different material, designed to simply mimic the appearance of a diamond. One of the most well-known simulants is cubic zirconia which is made from a soft substance called zirconium dioxide. Simulant diamonds will not have the same longevity as real diamonds and will need to be replaced every few years. Lab grown diamonds are just diamonds, with their origins being the only distinguishable difference. Lab and mined diamonds are both made of pure carbon and hold a hardness rating of 10 on the Mohs hardness scale. A lab grown diamond will last just as long as a mined diamond.
The only difference between a mined diamond and a lab diamond is their origin. Mined diamonds are formed in the Earth’s crust under intense heat and pressure and then mined from the ground. Lab diamonds are grown under the exact same conditions as mined diamonds but within a laboratory setting - removing the need for mining. With the exact same chemical, physical and optical properties, the only real difference is that mined diamonds are mined and lab grown diamonds are not. This makes lab diamonds the ethical, eco-friendly and sustainable choice.
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Since lab grown diamonds are grown in controlled laboratory environments, they do not need to be extracted from the earth like their mined counterparts. By removing the need for mining, lab grown diamonds reduce the impact on the environment and eradicate the risk of unethical labour practices and community displacement.
We specialise in lab grown diamond and moissanite engagement rings, helping customers find their dream engagement ring. Our complimentary ring sizer, available upon request, ensures you get the perfect ring size. We offer unrivalled brilliance with stone options ranging from pear to princess cut diamonds, and our expert team guides you through the entire process. Schedule an appointment with your local jeweller or virtually for personalised assistance, which guarantees more brilliance tailored to your preferences. Our commitment to great service and your eternal love ensures a memorable experience.
Moissanite is worth buying for its lasting beauty, cost-effectiveness and conflict-free origins. As a lab-created stone, moissanite involves no mining and its origins can be easily traced, making this a sustainable choice of gemstone. Moissanite is significantly lower in price than diamonds of the same size and quality, allowing you to purchase your dream ring for a fraction of the price! With a high clarity grade and a hardness rating of 9.25-9.5 (second only to a diamond at 10), your moissanite stone is extremely durable and will retain its sparkle throughout everyday wear. At Cullen Jewellery, we are so sure of this that we provide a lifetime warranty to guarantee the lasting brilliance, colour and clarity of your gorgeous gemstone. Read more
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Yes, moissanite will pass a diamond tester. Moissanite and diamonds conduct heat in very similar ways, and since diamond testers measure thermal conductivity, moissanite passes as a diamond. A specific Moissanite tester that uses electrical conductivity can be used to distinguish the difference between a moissanite and a diamond.
Moissanite is not a fake diamond, but a real, beautiful gemstone in its own right. Although often compared to a diamond for its similar appearance, moissanite is a lab-created stone with high clarity, hardness and fire. Unlike cubic zirconia, which is a man-made stone used for fake diamonds, moissanite is extremely durable and is suitable for a lifetime of everyday wear. The dazzling sparkle and lasting beauty of moissanite makes it the perfect alternative for customers who want a look similar to a diamond without the expensive price tag or questionable ethics. Read more
Absolutely not! Due to its diamond-like appearance, many people believe the misconception that moissanite is a fake diamond when it is in fact a high quality, beautiful gemstone in its own right. Moissanite is becoming an increasingly popular choice of stone in engagement rings due to its dazzling beauty, durability, ease of customisation and affordability. Read more
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While moissanite has a diamond-like appearance, it is not a fake diamond and is in fact a beautiful, unique gemstone. When light hits a moissanite ring, the surface of the stone sparkles with a rainbow, almost disco ball effect. This makes moissanite more vibrant than a diamond, but it is not to the point of looking fake. The sparkle and fire of moissanite is what attracts moissanite lovers and here at Cullen Jewellery, we say the more sparkle the better! Read more
No, moissanite does not lose its sparkle. Due to its superior hardness, clarity and refractive index, moissanite will remain bright and sparkly forever. Over time, oils and dirt can build up on the surface of your stone but this can be easily cleaned away either by a professional or at home. At Cullen Jewellery, we guarantee your moissanite’s lasting brilliance, clarity and colour with a lifetime warranty – so you never have to worry about your moissanite losing its shine! Read More
We make it easy to find your ideal moissanite engagement ring. Request a free ring sizer to determine your correct ring size, and browse our wide selection of moissanite engagement rings on our website. To create a custom ring design, schedule an appointment with our expert team, providing your appointment details. Our specialists will assist you with the entire custom design process to ensure you get the perfect ring. A regular price at Cullen Jewellery offers better accessibility and exceptional value compared to other jewellers.If you're a jewellery connoisseur, you know that the glimmer of a piece is what keeps you coming back for more. Most people can't resist buying more jewellery after gazing at some stunning examples in a store. However, even the most glamorous jewellery loses its lustre over time, so having it professionally cleaned is your best bet. This is often time-consuming and costly. Most people would rather spend their money on shiny new jewellery.
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Diamonds, as is common knowledge, are extremely tough and difficult to damage. Even though diamond is the hardest natural material to work with, that shouldn't stop you from taking care of your diamond so that it sparkles for a very long time.
Most of the grime and oil residues that make a diamond look cloudy come from a person's fingers or skin. When dirt accumulates on a diamond's surface, it can severely impair the stone's transparency.
Did you know that keeping your diamond engagement ring clean is the key to keeping its lustre intact? You can blame a dirty stone for a diamond's sudden loss of lustre if you've been wearing the piece frequently and noticing the change.
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