We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Ace Of Diamonds Mine

84 Herkimer St, Herkimer, NY 13406-2713
+1 315-891-3855
Review Highlights
Three day trip.

We spent three days at this mine in October, and came home with some great pieces. We were not able... read more

Reviewed 9 November 2017
Rehoboth, Massachusetts
Great stop along the way!

Planned his stop along the way from Maine to Pa. This mine was the right one to stop at as the... read more

Reviewed 26 October 2017
Danville, Pennsylvania
Read all 114 reviews
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
  • Excellent54%
  • Very good32%
  • Average7%
  • Poor1%
  • Terrible6%
Travellers talk about
“sledge hammer” (12 reviews)
“rock pile” (3 reviews)
“small stones” (2 reviews)
84 Herkimer St, Herkimer, NY 13406-2713
+1 315-891-3855
Write a ReviewReviews (114)
Traveller rating
Traveller type
Time of year

1 - 10 of 114 reviews

Reviewed 9 November 2017

We spent three days at this mine in October, and came home with some great pieces. We were not able to break into any pockets this trip, but have in the past. It's hard rock mining, so expect a workout. The last day there my...More

Thank capt38
Reviewed 26 October 2017

Planned his stop along the way from Maine to Pa. This mine was the right one to stop at as the owner and staff was helpful to us novices and we could rent the required tools to have a fun day. We found a few...More

Thank Laj563
Reviewed 3 September 2017

I have been to this mine 3 times. Each time I find out something new and fun. This was my shortest trip to the mine, I arrived.d at 2 and stayed until 4. I was in several different areas in the mine, all were down...More

Thank ladykarenm@aol.com
Reviewed 1 September 2017 via mobile

After visiting the competitor the day before and being disappointed, we decided to try here and I am SO glad we did!. The lady at the front desk showed is what to look for and where to find it. We spent 5 hours or so...More

1  Thank hmhmec
Reviewed 31 August 2017

Definitely a place my husband loved more than me. Cracking rocks is hard work and with that sun beating down on you. Gotta bring a hat, lots of water, safety glasses and wear pants. I ended up renting a sifter thing so I could try...More

Thank funinthesun44
Reviewed 26 August 2017

We chose Ace of Diamonds over the competitor next store because it was smaller. We adults sat in the van and could watch our grandchildren digging right in front of us. They also enjoyed panning for the diamonds. I say primitive because the bathrooms are...More

Thank Nancy Y
Reviewed 10 July 2017 via mobile

Went there yesterday. They had a fresh load of stones waiting to be worked on. Very glad I had my hiking boots on and jeans ( they were Capri length, which was fine). Also had a tee shirt with a lightweight long sleeve shirt just...More

Thank Colleen D
Reviewed 22 June 2017

the gentleman at our Inn told us that this would be the better of the two mines to go to because you are almost guaranteed to fine Herkimer diamonds. We did. The man who owns the mines was very friendly and knowledgeable. Great stop on...More

2  Thank LISA K
Reviewed 30 May 2017

OK, so you want some Herkimer diamonds but don’t know what to do? The following is my review which should help you prepare and succeed: It’s cheap fun! $10/person and tool rental is relatively inexpensive (your driver’s license is used for collateral). They bring in...More

6  Thank Willof72
Reviewed 18 May 2017

We stopped by Ace of Diamonds to check the place out to bring our grandkids once school is over. Then we checked the competitors down the road and we decided that Ace of Diamonds would be much better for kids since it has a huge...More

1  Thank cguillau
Nearby HotelsSee all 4 hotels in Herkimer
Palatine Motel
13 reviews
4.11 km away
The American Hotel
174 reviews
15.98 km away
Travelers Inn
5 reviews
16.39 km away
Budget Inn
56 reviews
16.70 km away
Nearby Restaurants
The Table at Fort Plain
64 reviews
.60 km away
Gabriana"s Pizza & Pasta
5 reviews
3.94 km away
26 reviews
5.64 km away
New York Pizzeria
5 reviews
.74 km away
Nearby Attractions
Fort Plain Museum & Historical Park
8 reviews
.57 km away
Arkell Museum
75 reviews
5.48 km away
Crystal Grove Diamond Mine & Campground
35 reviews
12.64 km away
Beekman 1802 Mercantile
104 reviews
16.02 km away
Ask a question
Questions & Answers
Joe C
16 November 2016|
Response from Lou Ann N | Reviewed this property |
They are closed for this season but open April 1,2017 and hours are 9-5 according to their website. They operate April 1 to October 31. Google it for more information.
21 June 2015|
Response from Elisha-John H |
21 February 2015|
AnswerShow all 2 answers
Response from TanteJaye | Reviewed this property |
On their website, they have crystals for sale. Good luck.