Barnaby & Co Estate & New Jewelry

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Barnaby & Co Estate & New Jewelry Barnaby & Co | Family-owned, offering curated antique & modern jewellery with timeless elegance.
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💙💚💛🩷 AVAILABLE NOW 🩷💛💚💙P R I C E - $5,150- Australian Solid Black Opal & Diamond ring in 18ct White Gold -I call this th...
16/10/2026

💙💚💛🩷 AVAILABLE NOW 🩷💛💚💙

P R I C E - $5,150

- Australian Solid Black Opal & Diamond ring in 18ct White Gold -

I call this the Australian National Ring. The opal shape reminds me of our beautiful continent! A beautiful combination of colour and intricate craftsmanship! This ring features a striking 6.30ct black opal, displaying incredible flashes of electric green, blue and violet across its surface. The opal is held in a claw setting and surrounded by an elaborate arrangement of diamond set ribbons, scrolling details and floral motifs.
The bow design above the opal is particularly lovely, with its looping diamond set ribbons and central diamond, while a delicate diamond flower finishes the design below. With 1.22ct of diamonds throughout, this is a wonderfully detailed statement ring with a distinct antique inspired design.

Ring details -

Condition - excellent preowned
Size - M1/2 resizable
Metal - 18ct white gold

Price includes Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

🩷🩷🩷🩷 AVAILABLE NOW 🩷🩷🩷🩷P R I C E - $3,500- Ruby & Diamond Platinum Chunky Chain link Ring -A beautiful 2.14ct oval cut r...
16/10/2026

🩷🩷🩷🩷 AVAILABLE NOW 🩷🩷🩷🩷

P R I C E - $3,500

- Ruby & Diamond Platinum Chunky Chain link Ring -

A beautiful 2.14ct oval cut ruby, bezel set in platinum and surrounded by a scalloped halo of brilliant diamonds. The setting features intricate detailing throughout, with additional diamonds decorating the shoulders and a beautifully textured, multi row band that gives the ring its distinctive vintage character. There is a chain like link, too!
Finished with .64ct of diamonds, this is a wonderfully detailed piece.

Ring details -

Condition - Excellent preowned
Size - M1/2 resizable
Metal - Platinum

Price includes Complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

💖💖💖💖 AVAILABLE NOW 💖💖💖💖P R I C E - $1,250- 18ct Rose Gold Bi Color Pink Tourmaline & Diamond Ring - Our Beautiful bi col...
15/10/2026

💖💖💖💖 AVAILABLE NOW 💖💖💖💖

P R I C E - $1,250

- 18ct Rose Gold Bi Color Pink Tourmaline & Diamond Ring -

Our Beautiful bi colored pink tourmaline ring with diamonds is set in romantic 18ct rose gold with an open bypass style design. She's fun and feels personalised when you wear her. A true unique beauty!

Ring details -

Condition - Excellent preowned
Size -M1/2 resizable
Metal - 18ct rose gold, stamped

Price includes complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

⚜️⚜️⚜️⚜️ AVAILABLE NOW ⚜️⚜️⚜️⚜️P R I C E - $9,500- 2.011ct Light Fancy yellow Emerald Cut Diamond + Baguette G/VS Diamon...
15/10/2026

⚜️⚜️⚜️⚜️ AVAILABLE NOW ⚜️⚜️⚜️⚜️

P R I C E - $9,500

- 2.011ct Light Fancy yellow Emerald Cut Diamond + Baguette G/VS Diamond Trilogy Ring -

A beautiful diamond trilogy ring with a gorgeous Art Deco influence. Featuring a 2.011ct emerald cut natural fancy light yellow diamond at its centre, set in a four claw setting and flanked by two matched baguette cut diamonds totalling 0.59ct. The contrast between the soft ch*****ne yellow centre diamond and icy white diamonds is impactful. The stepped arrangement gives the ring a lovely geometric profile. Finished with a simplistic platinum band.

Diamond details -

1 x 2.011ct emerald cut diamond
Fancy light yellow SI1
2 x baguette = .59ct
G/VS Color/Clarity
Total diamond weight = 2.60ct

Ring details -

Condition - Excellent like new
Metal - Platinum
Size - N1/2 resizable

Price includes complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

🤍🤍🤍🤍 AVAILABLE NOW 🤍🤍🤍🤍P R I C E - $19,500- 4.00ct Marquise Diamond + 1.00ct accent diamonds in Platinum -A spectacular ...
15/10/2026

🤍🤍🤍🤍 AVAILABLE NOW 🤍🤍🤍🤍

P R I C E - $19,500

- 4.00ct Marquise Diamond + 1.00ct accent diamonds in Platinum -

A spectacular marquise cut diamond, designed with a sculptural platinum setting that loops and curves around the centre stone. The design is finished with 100 brilliant cut diamonds totalling 1.00ct, grain set throughout the shoulders. Outside, the incredible marquise faces up white, indoors she faces up with a warm glow. She really is a special piece with an exceptional carat weight not easy to come by. Complimentary resizing with purchase!

Diamond details -

1 x marquise cut 3.996
M/SI2 color/clarity
100 x round brilliant cut diamonds = 1.00ct
H/SI Color/ clarity
Total diamond weight = 5.00ct

Ring details -

Condition - Great preowned
Size - M resizable as needed
Metal - Platinum
Valuation - $70,950

Price includes complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

Edit - SOLD thank you 🤍🤍🤍🤍 AVAILABLE NOW 🤍🤍🤍🤍P R I C E - $1,550- 1.00ct Diamond half eternity Band in platinum-A beautif...
14/10/2026

Edit - SOLD thank you

🤍🤍🤍🤍 AVAILABLE NOW 🤍🤍🤍🤍

P R I C E - $1,550

- 1.00ct Diamond half eternity Band in platinum-

A beautiful 1.00ct diamond half eternity band featuring a generous row of round brilliant cut diamonds, each individually claw set to allow plenty of light through the stones. Perfect worn on its own or paired with an engagement ring.

Ring details -

Condition - excellent preowned
Metal - Platinum
Size -

Price includes Complimentary Australia wide post

Payment options - bank transfer,
Credit card

All prices are GST inclusive

🩵🩵🩵🩵 AVAILABLE NOW 🩵🩵🩵🩵P R I C E - $3,250- Large Aquamarine & Diamond Cocktail Ring in Platinum -A beautiful statement r...
14/10/2026

🩵🩵🩵🩵 AVAILABLE NOW 🩵🩵🩵🩵

P R I C E - $3,250

- Large Aquamarine & Diamond Cocktail Ring in Platinum -

A beautiful statement ring featuring a 7.78ct emerald cut aquamarine, displaying soft shades of ocean blue. The aquamarine is secured by four corner claws and framed by 0.54ct of round brilliant cut diamonds, arranged in a scalloped halo that follows the rectangular shape of the centre stone. Set high in platinum with an open gallery beneath the aquamarine, allowing plenty of light through the stone. A substantial ring with a lovely combination of colour, size and detail. Complimentary resizing with purchase

Ring details -

Condition - Excellent preowned
Size - L resizable
Metal - Platinum

Price includes Complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

💖💖💖💖 AVAILABLE NOW 💖💖💖💖P R I C E - $1,150- Pink Sapphire and diamond band in white gold -The wide slightly domed design ...
14/10/2026

💖💖💖💖 AVAILABLE NOW 💖💖💖💖

P R I C E - $1,150

- Pink Sapphire and diamond band in white gold -

The wide slightly domed design is packed with pink sapphires in a scattered pavé style setting, giving it that full, almost confetti like look rather than neat uniform rows. The slim diamond set borders along the top and bottom frame all that pink beautifully. It’s chunky and bold, but the soft pink keeps it playful and really easy to wear.

Ring details -

Condition - Great preowned
Size - N1/2 resizable
Metal - 9ct white gold

Price includes Complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

🤎🤎🤎🤎 AVAILABLE NOW 🤎🤎🤎🤎P R I C E - $14,250- 3.55ct Fancy Cognac Diamond + 1.65ct White Diamonds - This one is a serious ...
13/10/2026

🤎🤎🤎🤎 AVAILABLE NOW 🤎🤎🤎🤎

P R I C E - $14,250

- 3.55ct Fancy Cognac Diamond + 1.65ct White Diamonds -

This one is a serious statement piece. At its centre sits a 3.55ct marquise cut cognac diamond, SI1 clarity, with that gorgeous warm golden colour that looks incredible against 18ct yellow gold. The design wraps around the centre stone in sweeping, almost ribbon like curves, with 1.65ct of H/SI white diamonds tracing the shape and creating that dramatic elongated silhouette. We especially love the open sections between the diamond set curves! Complimentary resizing with purchase.

Ring details -

Condition - Excellent preowned
Size - O resizable
Metal - 18ct yellow gold, stamped
Valuation - $54,600

Price includes Complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

Edit - SOLD thank you 💚💚💚💚 AVAILABLE NOW 💚💚💚💚P R I C E - $5,750- 5.55ct Natural Emerald with .75ct of baguette diamonds ...
13/10/2026

Edit - SOLD thank you

💚💚💚💚 AVAILABLE NOW 💚💚💚💚

P R I C E - $5,750

- 5.55ct Natural Emerald with .75ct of baguette diamonds -

A beautiful handmade platinum emerald and diamond ring, featuring an impressive 5.55ct emerald cut emerald secured in a classic four claw setting with a large spread! The shoulders have a lovely split design, each set with five baguette cut diamonds that taper towards the band, with a combined diamond weight of 0.75ct. The combination of the large rectangular emerald, geometric diamond shoulders and platinum setting gives this ring a gorgeous Art Deco inspired design.

Ring details-

Condition - great preowned
Size - M resizable
Metal - Platinum
Valuation - $23,490

Price includes Complimentary Australia wide post

Payment options - bank transfer, credit card

All prices are GST inclusive

Address

Gold Coast, QLD

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