Amsterdam: Factory Tour at Oldest Diamond Factory
Amsterdam, Netherlands

Amsterdam: Factory Tour at Oldest Diamond Factory

Outty Ranking 62 4.3 · 44 traveler reviews0.5 hoursFrom $10
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Outty Ranking

62/100

Solid Choice. Our proprietary evaluation. How we score

Traveler rating

4.3/5

Based on 44 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.

Quick answer

Is Amsterdam: Factory Tour at Oldest Diamond Factory worth booking?

Amsterdam: Factory Tour at Oldest Diamond Factory is a 0.5-hour experience in Amsterdam, Netherlands, from $10 per person. It scores 62 out of 100 on the Outty Ranking, which we label “Solid Choice”, based on a 4.3/5 rating across 44 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.

Outty Ranking
62 / 100
Rating
4.3/5 (44)
Duration
0.5 hours
From
$10 per person

Just around the corner from the Rijksmuseum, step inside the oldest still operating diamond polishing factory in the world and experience 185 years of craftsmanship at Royal Coster Diamonds. During this 30 minute guided tour, you will discover how rough diamonds are transformed into sparkling masterpieces, watch real diamond polishers and goldsmith at work. Learn about the 4 C's of diamond valuation Cut, Color, Clarity, and Carat and how each factor determines a stone's quality and value. Along the way, you will uncover the stories behind some of the world’s most famous diamonds, admire the replica of the legendary Koh i Noor, the Cullinan replica the largest gem-quality rough diamond ever found and discover the Royal 201, known as the most brilliant diamond in the world. Experience the atmosphere of a factory where craftsmanship has been passed down since 1840 and enjoy one of Amsterdam’s most unique cultural experiences on Museumplein.

What you get

    About this experience

    Just around the corner from the Rijksmuseum, step inside the oldest still operating diamond polishing factory in the world and experience 185 years of craftsmanship at Royal Coster Diamonds. During this 30 minute guided tour, you will discover how rough diamonds are transformed into sparkling masterpieces, watch real diamond polishers and goldsmith at work. Learn about the 4 C's of diamond valuation Cut, Color, Clarity, and Carat and how each factor determines a stone's quality and value. Along the way, you will uncover the stories behind some of the world’s most famous diamonds, admire the replica of the legendary Koh i Noor, the Cullinan replica the largest gem-quality rough diamond ever found and discover the Royal 201, known as the most brilliant diamond in the world. Experience the atmosphere of a factory where craftsmanship has been passed down since 1840 and enjoy one of Amsterdam’s most unique cultural experiences on Museumplein.

    What's included

    Included

    • Professional guide
    • All taxes, fees and handling charges

    Not included

    • Food and drinks
    • Hotel pickup and drop-off
    • Transportation to/from attractions

    What you'll see and do

    1. Start your visit in the heart of Amsterdam for a guided tour. Explore the magical world of diamonds in your own language. Watch the craftsmen and women cut and polish rough stones into beautiful diamonds. They create diamonds in all shapes and sizes that will last for centuries to come. Your experienced guides will tell you about the 4 C's of diamond valuation, the origin of diamonds and much more. All while you gaze upon some of the world's most spectacular diamond artifacts. This amazing tour includes a guide who speaks over 30 languages), the chance to see amazing diamond artifacts such as the Koh-I-Noor and watch the craftsmen and woman polish rough stones into amazing diamonds plus free entrance to the Diamond Museum Amsterdam and a special VIP-gift.

      30 minutes here · Admission included

    Where it starts and ends

    Meeting point

    Amsterdam

    Hotel pickup

    No pickup: everyone meets at the start point.

    Ends at

    Returns to the starting point

    Before you book

    Cancellation
    For a full refund, cancel at least 24 hours before the scheduled departure time.
    Languages
    no, de, sv, ru, pt, cmn, en, hr, it, fr, hu, es, cs, ar, vi, zh-TW, th, uk, ja, sk, pl, tr, nl
    Ticket
    Mobile Only
    Runs on
    Every day
    Group size
    Up to 15 travelers per booking
    Operated by
    Royal Coster Diamonds

    Know before you go

    • Public transportation options are available nearby
    • Infants are required to sit on an adult’s lap
    • Suitable for all physical fitness levels
    • May be operated by a multi-lingual guide
    • Guaranteed in English, other language upon availability
    • No elevator, only stairs

    Photos

    Amsterdam: Factory Tour at Oldest Diamond Factory, photo 2Amsterdam: Factory Tour at Oldest Diamond Factory, photo 3Amsterdam: Factory Tour at Oldest Diamond Factory, photo 4Amsterdam: Factory Tour at Oldest Diamond Factory, photo 5Amsterdam: Factory Tour at Oldest Diamond Factory, photo 6Amsterdam: Factory Tour at Oldest Diamond Factory, photo 7

    What travelers are saying

    Outty’s summary of the themes that recur across 45 traveler reviews. Written by us, not quoted from reviewers.

    The guide

    4 mentions

    Travelers single out the guide as the reason the experience works.

    Knowledge and storytelling

    3 mentions

    Reviewers describe the commentary as informative rather than scripted.

    Traveler reviews

    45 verified traveler reviews for Amsterdam: Factory Tour at Oldest Diamond Factory. Ratings and reviews provided by Viator and Tripadvisor.

    5 star
    30
    4 star
    8
    3 star
    2
    2 star
    2
    1 star
    3
    Sort
    anhs_ngn2022 · September 2026

    Outstanding place to visit and purchase Diamond

    Great tour with very details explanation, we bought a Diamond ring.

    via Tripadvisor

    994lucasm · September 2026

    Great introduction to the history

    Pauline is a great storyteller and very passionate about her job!

    via Tripadvisor

    Rugg72 · August 2026

    Insightful Diamond Tour

    Pauline was super helpful and talked through the whole cutting/polishing work. She was really accomodating and posed for a picture with us and her Guiness World Record certificate for polishing the World's smallest Diamond in 1994 (record still held today). Really insightful tour with audio guides included.

    via Tripadvisor

    Alibaba1 · October 2025

    So enjoyable and educational

    Angela was so knowledgeable and made the whole experience memorable, we loved it. My friend even bought a diamond ring for her daughter

    via Tripadvisor

    bogosr2025 · July 2025

    Recomend

    Verry good to visit. Don’t regret it. Recomend to visit. Royal coaster diamond is the best museum from Amsterdam. Good time

    via Tripadvisor

    Good to know

    Duration
    0.5 hours
    Free cancellation
    Up to 24h before
    Minimum age to book
    All ages
    Availability
    Bookable today
    Runs on
    Every day
    Hotel pickup
    No pickup, meet at start point
    Booked in 30 days
    15
    Verdict
    Solid Choice

    Why this scores 62

    The Outty Ranking is a weighted composite. Here is how this experience performed on each component.

    Traveler sentiment (30% weight)59
    Review evidence (18% weight)48
    Booking momentum (14% weight)41
    Value for money (12% weight)100
    Listing quality (10% weight)85
    Local standing (8% weight)15
    Booking flexibility (8% weight)100

    Amsterdam: Factory Tour at Oldest Diamond Factory: questions travelers ask

    Practical detail on this experience, plus the wider planning questions for Amsterdam.

    How much does Amsterdam: Factory Tour at Oldest Diamond Factory cost?

    +

    Prices start at $10 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Amsterdam usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.

    How long does Amsterdam: Factory Tour at Oldest Diamond Factory take?

    +

    Plan for about 0.5 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Amsterdam is not rushed.

    Is Amsterdam: Factory Tour at Oldest Diamond Factory worth it?

    +

    It holds an Outty Ranking of 62 out of 100, which we label "Solid Choice". That score blends traveler sentiment (4.3/5 across 44 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Amsterdam, and how flexible the cancellation terms are.

    Can I cancel or reschedule Amsterdam: Factory Tour at Oldest Diamond Factory?

    +

    Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.

    Is Amsterdam: Factory Tour at Oldest Diamond Factory suitable for kids and families?

    +

    Yes, all ages are welcome. Families should still weigh the 0.5-hour running time, and strollers are easier on the earlier, quieter departures.

    How far in advance should I book Amsterdam: Factory Tour at Oldest Diamond Factory?

    +

    Around 15 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Amsterdam can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.

    What should I bring or wear?

    +

    Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Amsterdam and add a light layer if any part of the 0.5-hour experience runs outdoors or after sunset.

    Where does Amsterdam: Factory Tour at Oldest Diamond Factory start and how do I get there?

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    The exact meeting point and directions are on your voucher once you book, and they sit in central Amsterdam within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.

    What are the best things to do in Amsterdam?

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    On Outty we rank every Amsterdam experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Amsterdam Food and Cultural Tour with 10 Tastings, Amsterdam Canal Cruise with Local Guide and Small Group, Amsterdam 90 minutes Canal Cruise with bar and snacks on board.. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.

    When is the best time to visit Amsterdam?

    +

    Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.

    How many days do you need in Amsterdam?

    +

    Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.

    Do I book through Outty or through the operator?

    +

    Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.

    What is included in Amsterdam: Factory Tour at Oldest Diamond Factory?

    +

    Included: Professional guide; and All taxes, fees and handling charges. Not included: Food and drinks; Hotel pickup and drop-off; and Transportation to/from attractions. Always check the voucher for the final list before you travel.

    What languages is Amsterdam: Factory Tour at Oldest Diamond Factory offered in?

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    It is offered in Norwegian, German, Swedish, Russian, Portuguese, Chinese, English, Croatian, Italian, French, Hungarian, Spanish, Czech, Arabic, Vietnamese, Thai, Ukrainian, Japanese, Slovak, Polish, Turkish and Dutch. Pick your language when choosing a date and time, as not every departure runs in every language.

    Will I get instant confirmation and a mobile ticket for Amsterdam: Factory Tour at Oldest Diamond Factory?

    +

    Confirmation is sent by the operator after booking, usually within 48 hours; if it is not confirmed you are not charged. Mobile tickets are accepted, so you can show the voucher on your phone.

    Is Amsterdam: Factory Tour at Oldest Diamond Factory wheelchair or stroller accessible?

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    The operator notes: Infants are required to sit on an adult’s lap. If accessibility is critical, contact the operator after booking to confirm arrangements for your date.

    What happens to Amsterdam: Factory Tour at Oldest Diamond Factory if the weather is bad?

    +

    It generally runs rain or shine, so dress for the forecast in Amsterdam. Standard cancellation terms apply: free cancellation up to 24 hours before the start.

    What do travelers say about Amsterdam: Factory Tour at Oldest Diamond Factory?

    +

    Across 44 reviews averaging 4.3 out of 5, recurring themes include the guide, knowledge and storytelling. Travelers single out the guide as the reason the experience works.

    Ready to lock in your spot?

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