About Us

With 20 years of diamond expertise, Auctentic is your perfect jewellery consultant. We connect you to a network of 2,000 trusted buyers, adding flair to your sales with transparency, professionalism, and respect. Welcome to Auctentic, where every gem finds its story.

About Us

The Connections

With backgrounds rooted in pivotal Diamond Stock Exchanges, our founders maintain daily connections with our international buyer network, ensuring you receive the most competitive and up-to-date offers.

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Dov Alter

Co-founder & CEO

Holder of a Bachelor's degree in economics, with a global experience as an entrepreneur within the diamond industry. Actively investing in diverse initiatives, including technological startups and real estate ventures.

Holds a decade-long tenure as an authorized diamond dealer, and currently serving as the CEO and Co-Founder of Auctentic.

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Simon Namdar

Co-founder & CEO

Specialist in the diamond and jewellery industry with 25 years as manufacture and dealer in the global market, spanning three generations.

Entrepreneur and investor in several areas.

The Expertise

Central to our negotiation strategy is the detailed analysis of jewels by our expert gemologists. Their detailed assessments offer insights into the unique aspects of gems, complemented by an in-depth perspective of market trends.

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Gaia Antonelli

Country Manager Italy & Spain, GIA Graduate Gemologist

A change of heart brought her from Business Administration and Management to the sector she has always loved: gemstones and fine jewelry. Over the last 15 years Gaia has been working particularly as consultant for those who wish to be supported in the various aspects of this faceted field.

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Anna Paris

Country Manager France, IGI Graduate Gemologist

With a solid background in interpreting and cultural mediation, Anna brings years of experience in creating a meticulous and attentive service, combined with professional advice to strike the right balance between expectations and reality.

The Service

Our team is prepared to offer a warm welcome and respond to all your queries. Their meticulous information gathering ensures a tailored service that supports you through every stage of your journey.

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Margherita Boiano

Account Manager - Italy

As she enjoys helping people, advising them and solving their problems Margherita dedicated herself to customer care for over 10 years. A Bachelor degree in psychology and a Master in marketing and brand communication enriched her set of skills.

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Natalia Romero

Account manager - Spain

Graduate in marketing and publicity, Natalia worked several years in customer care learning confidentiality, reliability and discretion, qualities that are essential in this field.

FAQ

Général

Expédition

Évaluation

Coûts de service

Simulateur

Paiement

Processus de Vente

Évaluation

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What does Auctentic do?

Auctentic, as a broker, evaluates your jewels on the solid base of the values of similar pieces bought and sold on the international professional market. If the communicated range value is of interest, Auctentic looks for the best possible offer in the market. Furthermore Auctentic acts as a guarantor both for you and the buyer by making sure you get your immediate payment the moment we assess the value of the jewel.

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What type of jewelry can I sell with you?

Auctentic is a broker specialising in diamonds over 1ct in weight, and jewellery that mounts the same category of gemstones.

We also deal in emeralds, rubies and sapphires over 3ct each, and related jewellery, and have a specific service for pre-owned luxury watches.

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How does it work?

In order to proceed, the first essential step is to provide Auctentic with as much information as possible about the precious you wish to have evaluated. This can be done by sending the certificate or by sending clear, accurate photos by following the instructions here. Only once the data has been collected can Auctentic provide an idea of the real value of the precious and, if desired, find the best possible offer. In order to proceed with the transaction, it is imperative that Auctentic's gemologists can check the characteristics of the precious in person by arranging insured shipping or an appointment at the offices.

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How much does your service cost?

Our service is completely free for you: not only the evaluation and the search of a potential buyer but also the shipping, cleaning and photoshooting procedures.

Our brokering commissions are fully charged on the buying party.

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Why Auctentic?

Auctentic, being an intermediary, has no interest in submitting downward values but, on the contrary, is in a position to push bids as far as possible. Moreover, with a network of more than 2,000 interlocutors, it grants priority access to the market of internationally ranked professionals, the only ones always able to make concrete offers. Auctentic also stands guarantor for the total solvency of buyers by reducing credit times. Auctentic is also in constant contact with the international market to have continuous updates on current values and trends. This makes it possible to provide real and verifiable values.

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Can I back out of the process at any time?

There is absolutely no obligation to accept our offer. You are free to withdraw your acceptance at any time before finalizing.

However, it is possible that offers, by the very nature of the market we follow, have an instant or limited validity, and cannot be guaranteed beyond an agreed period of time.

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How long does it take to sell with Auctentic?

Auctentic's commitment is to provide you with an offer within 1 to 3 working days from the arrival of your jewel in our premises. Of course the selling process is specific to each case because every situation is different and unique. Relax, our people will guide you every step of the way.

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How long does the selling process take?

Auctentic's commitment is to provide you with an offer within 1 to 3 working days from the arrival of your jewel in our premises. Of course the selling process is specific to each case because every situation is different and unique.

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How long has Auctentic been in business?

Auctentic is a relatively young entity created specifically to help individuals sell their jewelry. However, it has its roots in two international companies that have been in the most prominent circles such as Diamond Exchanges for several generations. The expertise has therefore been built for several decades.

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Where are the Auctentic offices located?

Auctentic premises for the Italian market are in Milan, at Via Albricci 9. As we want to provide each and everyone of you with privacy, we kindly ask you to call in advance to schedule a meeting. Once a month we also schedule a working day in Rome.

Auctentic's other office is in Antwerp, Belgium, within the Diamond stock exchange. Additionally, we have an office in Paris, France, located at 11 Rue de Provence.

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Can I visit Auctentic’s offices?

Absolutely. However, in order to respect the privacy of all our clients, we ask you to call at least 3 hours in advance to schedule an appointment and ensure that you can be received with the necessary care.

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Why do I have to ship my piece/s to Auctentic?

The analysis of the precious is a fundamental step. Auctentic as an intermediary must vouch for the quality of the precious and be able to check its gemological and manufacturing characteristics. The only way to proceed with due professionalism is by viewing it in person, and shipping is by far the quickest and safest way to proceed.

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How does shipping work?

Auctentic relies on Malca-Amit, an internationally recognized value carrier. In 2 working days you are sent to your domicile the material needed for packing. Pickup, also at your home, takes place at a later time and is arranged by prior arrangement. From the time the package is handed over to the courier to when it arrives at our location can take from 1 to 3 working days.

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Do I have to pay for shipping?

No, all shipping costs are borne by Auctentic.

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Can I back out of the process after shipping?

Yes. Shipping does not mean that you will be obligated to accept the offer. However, shipping is mandatory to receive an offer.

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What should I include in my shipping box?

It is important that the valuable is protected from being hit by using a small box, cotton, or shot paper. If you have it, the gemological certificate should also be put in the package.
Together with the packaging material you'll also receive the instruction to prepare the shipment. If you prefer, you can ask to be helped via videocall by our operators.

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When shipping, is the insurance value the same as the sales value?

Not necessarily. The insurance value is usually the average of the range of values reported at appraisal; the final bid may be higher, lower or equal to the insurance value.

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How is pre-owned diamond jewelry priced?

There are three ways to do it: the first is to see how much, the same item, is sold for on average in jewelry stores; the second is to study the chosen market and recent transactions to understand the real resale values; and the third is to analyze the production costs of an identical piece.

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When will I get a price estimate for my piece/s?

As soon as our experts have all the necessary information. In case the precious is accompanied by a gemological certificate, it takes around 12/24h working hours; in the absence of a certificate it may take 24/48h working hours.

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What are Auctentic’s fees?

Auctentic do not charges fees on the seller. Commissions are unique to the buyer.

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How does Auctentic make money?

Auctentic earns solely from commissions and that is also why there is no interest in sending downward bids.

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Are there any additional costs?

No, no fees are charged to sellers.

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Do I have to pay if I don’t end up selling?

No. If the final offer is rejected, the jewel is returned to the sender at Auctentic's expense.

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How does the diamond value calculator work?

The calculator estimates your diamond’s value based on carat weight, clarity, color, cut, symmetry, and fluorescence. Estimates are based on GIA certificates for diamonds with Very Good (VG) or Excellent (EX) cut and symmetry, and fluorescence ranging from None to Medium. The calculator uses market data and valuation algorithms to provide an approximate value.  Always consult our gemologists for precise assessments.

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How accurate are the results from the diamond value calculator?

The calculator provides an estimate based on market data over the 2/3 weeks prior the request. Actual values may vary and specifically fluctuate for higher carat weights. For precise assessments, consult our certified gemologists.

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Can I use the calculator for any type of diamond?

The calculator is designed for standard colourless diamonds with Very Good or Excellent cut and symmetry, and fluorescence ranging from None to Medium. Contact us for a detailed appraisal of other types and characteristics.

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What should I do if I disagree with the valuation?

If you disagree with the preliminary estimate, consider a professional appraisal. Consult our gemologists for an exact value.

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Can I get a consultation after using the calculator?

Yes, we offer consultations with our experts who can review the details of your diamond and provide a more comprehensive evaluation.

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How do I know if my diamond is certified?

A certified diamond will come with a grading report from a recognized gemological laboratory, such as GIA or IGI. The report will detail the diamond’s characteristics and confirm its authenticity.

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How can I ensure the information I enter is accurate?

If you have a certification report for your diamond, use the details provided in the report. If you don’t have a report, consider having your diamond evaluated by a professional jeweler to ensure accurate information.

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What happens to the information I provide? Is it secure?

We take your privacy seriously. The information you provide is used solely for the purpose of calculating your diamond's value and is not shared with third parties. Our website employs security measures to protect your data.

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Can the calculator provide a valuation for diamonds with custom cuts?

The calculator is optimized for standard cuts. For diamonds with custom or unique cuts, the valuation might be less precise. We recommend seeking a professional appraisal consulting our gemologists for such diamonds.

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How will I receive payment for my piece/s?

Auctentic uses non-revocable instant transfers via Wise circuit.

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How long will it take to receive my payment?

The Wise circuit makes it possible to have transfers credited to almost any bank circuit within a few minutes. There is a possibility, especially around lunchtime and on Friday afternoons, that individual branches will suspend the entry of transfers by communicating batch times that are normally about two hours. Those delays are only imputable to the receiving bank and can not be modified by the paying bank.

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Is the sale of jewellery subject to taxation?

It depends from the state you live in. For example, in Italy there is no taxation while French citizens need to pay taxes on diamond and jewels whose selling price is more than €5.000.
We invite you to check your country laws.

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How does Auctentic prepare my jewelry for sale?

To make it stand out to the best advantage, each piece of jewelry is carefully cleaned and photographed in every detail. It is then accompanied by a data sheet showing the gemological characteristics of the object, so as to provide every indication necessary for potential buyers to be able to make their offers.

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How do negociations and payment take place?

The negociations are made on the phone by our specialized team. Our people make the best offers compete in order to get the best out of it.
The transaction is made via bank transfer and is immediate an therefore there is no need to come to the office.

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How long is the negociation process?

As we make a preselection of the possible buyers and it is only the last step of our selling process, the negociation takes normally around 30 to 45 minutes. Of course each piece is unique and there might be exceptions.

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How are valuables stored during the sales process?

Jewelry or diamonds to be appraised, if shipped to our location, are stored with the highest levels of security and protected by closed video recording circuits.

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Who are the buyers?

Buyers are only professionals operating in the international market.

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What if I already have a grading report?

In case you have the certificate, the evaluation timeframe is shortened. However, it remains necessary for our gemologists to be able to confirm the data of the same in the analysis.

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Is an appraisal the same as a grading report?

No, an appraisal can be partial and is almost always accompanied by an economic value that the appraiser establishes according to various criteria; a gemological certificate can also be partial but never reports values.

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Which certifying institutes are the most reliable and internationally recognized?

For diamonds GIA, IGI and HRD, for color stones GRS, SSEF and Gübelin Gem Lab.

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When shipping, is the insurance value the same as the sales value?

Not necessarily. The insurance value is usually the average of the range of values reported at appraisal; the final bid may be higher, lower or equal to the insurance value.

Nos bureaux

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Italian Office

Via Albricci, 9 20122 Milan

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French Office

11 Rue de Provence 75009 Paris

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Belgian Office

Antwerpsche Diamantkring - Hoveniersstraat 2 bus 550 Office 109

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Dutch Office

Poortland 66 - 1046 BD Amsterdam

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