Elongated Old Mine Diamond - 6.0ct
Elongated Old Mine Diamond - 6.0ct
Elongated Old Mine Diamond - 6.0ct
Elongated Old Mine Diamond - 6.0ct
Elongated Old Mine Diamond - 6.0ct

Elongated Old Mine Diamond - 6.0ct

Regular price$45,000.00
/
Tax included.

Metal
Size
  • Discreet shipping
  • Complimentary Laser Inscription
  • Please allow 4-7weeks for delivery
  • 18K Solid Gold and Platinum
  • QLD & UAE Pick Up Available

Rare and deeply romantic, the Old Mine diamond is the antique predecessor to the modern cushion cut. Celebrated for its individuality, chunky faceting, and softly pillowed silhouette, an Old Mine diamond carries a warmth and character unlike any other cut. Each stone displays its own unique facet pattern and movement of light, giving it an unmistakably soulful appearance.

Unlike modern brilliant cuts, Old Mine diamonds were originally cut by hand to maximise beauty under candlelight, resulting in broader flashes of light, depth, and a romantic glow that feels softer and more organic than contemporary cuts. Their imperfect symmetry and antique charm are exactly what make them so sought after today.

A lab-grown Old Mine diamond touches fewer hands, is conflict-free, and is significantly less ecologically damaging than a mined diamond, while also offering exceptional value compared to its earth-mined equivalent.

Our Old Mine Lab-Grown Diamonds pair beautifully with both vintage-inspired and modern settings, offering a rare balance of history, individuality, and understated luxury.



A note from Bec:

My number one. The Old Mine! These diamonds are for those of us seeking a quiet point of difference. They are not loud, never audacious or over the top. They are beloved for their earthy and romantic charm and I can't get enough of them! Old Mine diamonds feel vintage, soulful, and effortlessly timeless all at once. Whether set in something modern or more antique-inspired, they carry a really special kind of romance and personality. If you love pieces that feel a little rarer, less “perfect,” and full of charm, an Old Mine diamond may be the one for you.

 

DETAILS

• Shown on a size H finger
• Elongated, non-symmetrical Old Mine 


INFO

• Made to order (4-8 weeks)
• Handcrafted in Queensland, Australia
• Centre Stone: Lab-Grown Diamond
• Cut: Elongated Old Mine
• Size: 6.0 Carat 
• Colour: D
• Clarity: VS1/VVS2
• Polish: Excellent
• Symmetry: Excellent
• Mohs Scale: Lab-Diamond 10 Hardness
• Diamond Certification: Modified Cushion IGI, GIA



 

Why D Colour?
Diamond colour is typically graded on a scale descending from D, which means no hint of colour, to Z.  A well-cut D colour lab-diamond has a bright, icy white appearance that looks stunningly beautiful.
It is important to note that D colour diamonds are valuable because they are rare, and we believe in providing excellence over cutting corners when it comes to the colour of a Lab-grown diamond.




The Prestwick Diamond is a lab-created stone, meaning it is both ethically and responsibly sourced.  

 

As each piece is meticulously handcrafted to order in our Gold Coast Studio, please allow 4–7 weeks from the date of payment for your bespoke creation to arrive.

We offer express domestic shipping across Australia and international delivery worldwide, Monday to Friday, with the utmost care and attention.

All parcels are shipped discreetly in unmarked packaging to ensure privacy and security.

For further details, please refer to our Shipping page.

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A name you trust,

Prestwick Place

If you're looking to create a custom piece or wish to enjoy a one-on-one, personalised experience, we welcome you to visit us by appointment only via the link below.

Book an appontment

Testimonials

★★★★★

I wanted to send a message to say thank you for my beautiful engagement ring. It is absolutely gorgeous.

Cait & Tristan
Gold Coast, QLD
★★★★★

Chiara adored the ring and we’re so grateful to you all for making her dream ring come true. It was such a pleasure working with you and a seamless process to be proud of.

Chiara & Matilda
Elwood, VIC
★★★★★

Please pass on my thanks to the team. They’ve done an amazing job with it. I finally feel engaged again! 

Jovanna & Kosta
Carlton, NSW
★★★★★

It happened & it was amazing! My ring is even more beautiful than I remember. Thank you!! ❤️

Alanna & Scott
Bali, Indonesia
★★★★★

Hi guys xx I just wanted to reach out and send you some pictures of our engagement
Thank you so much for the beautiful Chloe ring it was made for a Chloe! 😍

Chloe & Michael
Woronora, NSW

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