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Sell Jewellery in Mosman — Luxury Specialists, Neutral Bay

Mosman’s position as one of Sydney’s most affluent suburbs means the jewellery we see from this community is often of exceptional quality — GIA-certified diamonds, Tiffany & Co solitaires, Cartier Love bracelets, platinum engagement rings with F/G colour stones, and heirloom pieces of genuine rarity. Our Neutral Bay store is 5 minutes from Mosman’s centre via Military Road, and our certified gemologists are equipped to assess every category of high-value jewellery with precision and discretion.

Whether you are selling one piece or an entire collection, the appraisal is free, the process is private, and there is never any obligation to proceed.

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What We Buy from Mosman’s Jewellery Community

High-Value Diamonds — GIA Certified and Uncertified

Mosman clients frequently bring GIA-certified diamonds — 1ct+, F to H colour, VS to SI clarity — as well as high-quality uncertified stones. We assess both with equal rigour. Certified diamonds are valued against their grading report and current diamond market data. Uncertified stones are graded independently using professional equipment and the same 4Cs framework. Our offer reflects what the stone is actually worth — not what we can negotiate down to.

Luxury Brands — Tiffany, Cartier, Bulgari and More

Premium brand jewellery from Tiffany & Co, Cartier, Bulgari, Van Cleef & Arpels, Harry Winston, and similar carries significant brand premium beyond the metal and stone content. We factor this into every offer. Original box, certificate, and receipt increase the brand component of the offer and should be brought if you have them — but the piece is purchased regardless.

Engagement Rings — Discreet and Professional

Engagement rings from Mosman’s demographic tend to be premium pieces — platinum settings, substantial centre stones, and designer origins. Every ring is assessed for the stone (4Cs), the setting metal (XRF purity test and weight), and the brand premium. The assessment is conducted privately and professionally, with no inquiry into the personal circumstances of the sale.

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Sell Jewellery in Mosman

Why Mosman Clients Prefer a Specialist Over a Jeweller

Many clients from Mosman visit a local jeweller before coming to us, expecting a trade-in or cash offer. Jewellers typically offer trade-in credit rather than cash, and their offers for pre-owned jewellery are structured to cover their resale margin — meaning the client receives significantly less than the piece’s actual market value.

We are buyers, not resellers. Our offers are based on current market data for diamonds and precious metals — not on what we can sell the piece for in a retail context. For Mosman’s high-value jewellery, this difference is often substantial. A GIA-certified 1ct diamond ring that a jeweller offers $3,000 trade-in credit for may receive a direct cash offer significantly higher from a specialist buyer like us.

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FAQ — Selling Jewellery in Mosman

We assess the stone against the GIA grading report (Cut, Colour, Clarity, Carat) and compare it to current wholesale diamond market pricing for that specification. We then make an offer reflecting the stone’s genuine current market value — not a speculative trade-in valuation. GIA-certified stones of 1ct+ can be worth significantly more than many clients expect, particularly for D-H colour grades in VS+ clarity.

Yes. We purchase Cartier and other premium brand jewellery regardless of whether the original box or papers are present. The brand can be identified through hallmarks and construction. The original box and papers do add a component of collector value and will improve the offer — but the piece is always purchased whether or not documentation is present.

All our assessments are conducted privately in our Neutral Bay store. If you would like a specific appointment time to ensure privacy or to arrange for minimal wait time, call us on 1300 468 465 and we will confirm a suitable time for you. Our store environment is professional and discreet — entirely appropriate for sensitive personal transactions.

Yes. We assess every component separately — gold and platinum by XRF and weight, diamonds by 4Cs grading, coloured stones by colour, clarity, and carat, and brand pieces by current resale market data. You receive a breakdown for every item and a combined offer. You can choose to sell all, some, or none.

PostSafe — Discreet Home Service for Mosman

For high-value jewellery from Mosman, our PostSafe service provides an insured, discreet postal assessment from your home. The free registered satchel is insured for up to $10,000 from the moment it is sealed. For collections exceeding $10,000 in value, we recommend calling us directly on 1300 468 465 to arrange additional insurance or an in-store appointment at a time that suits you. Both options provide the same professional assessment and pricing from our certified gemologists.

Free Jewellery Valuation for Mosman Residents

Book your free jewellery valuation today or request a complimentary PostSafe pack to discover the true value of your jewellery—with complete confidence and absolutely no obligation.

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For over 30 years we have been helping people sell gold, sell diamonds, sell fine or branded and other jewellery for more money.

Friendly, professional service – and always free advice whenever you need.

Divorce Your Jewellery Pty Ltd 
ABN: 40 101 720 021
Warringah Mall
Neutral Bay NSW 2089 
1300 468 465

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