Marcou Jewelers
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Marcou Jewelers
We maintain a large collection of fine Diamond and Precious Metal pieces and specialize in custom designs. While we offer the following list of services, we also invite. Marcou Jewelers has been a family owned and operated jewelry business for over 50 years that offers quality diamond jewelry, as well as fashion jewelry.

It was established in 1962 by our parents, Jack and Elinor Marcou of Waltham, MA. Since then, Marcou Jewelers has become a well known jeweler in the Waltham, Watertown, and Belmont area. Our locations are individually owned by family member(s). Our goal, as fine jeweler, is to give every customer our honesty and expertise with competitive pricing.
Reviews (9)
Don Gervich
Don Gervich
Sep 02, 2021
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Kenneth has always been friendly and helpful to me.
He installs batteries in my watch--and recently tore off an old watch band and replaced the new one I had... for no charge.
A kind and enjoyable shop to visit.
Luba Pecheneva
Luba Pecheneva
May 20, 2021
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Took two pairs of earrings for repair in this shop, the owner did an amazing job on both. I came back to buy a set of gold earrings, which I'm super happy with. Will come back again. Felt very welcomed and taken care of!
Maddie B.
Maddie B.
May 10, 2021
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I went in the other day, and although they were ultimately unable to fix my necklace, the man who helped me was so kind and sweet and did everything he could to make it work! Can't recommend this place enough.
Marc K.
Marc K.
Dec 29, 2019
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I walked in to this place with my watch to have the battery replaced. He installed the battery and I gave him a legitimate non-expired coupon for a free battery. He would not take it saying that I was not a regular customer and that you are here just for the free battery. So I said take the battery out. And he did. In the process he cracked the crystal glass. And would not take responsibility for it. I walked out. Should have called the police and taken him to small claims court. He became mean and nasty. And threw me out of the store. Complained to the other Marcou location. They know of his
D. Dimidis
D. Dimidis
Aug 18, 2019
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The best local jeweler in the area, Marcou makes everyone feel comfortabe and his prices are fantastic.
Molly C.
Molly C.
Sep 26, 2018
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Simply wanted my wedding band cleaned and walked in a few minutes before closing. The gentleman was rude and said that he would only clean my ring if it was purchased there.

No other options, just said "see ya"
N. S.
N. S.
Aug 22, 2017
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They published a coupon for a free watch battery a few months ago. It didn't have any expiration date. I went there today but the guy would not honor the coupon and said it was three years outdated.
F. B.
F. B.
Oct 24, 2015
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I went in to have a small repair done on a gold earring. I was quoted $30 for the work, which I was willing to have done. I also needed to have the battery of my Seiko watch changed. I came back to be pick up the watch and was told there was good news and bad news. The good news was that the jeweler was done with the watch. The bad news was that the crown had broken and it would cost $25 or more to repair it. The owner was quite flip about the whole thing. I wasn't convinced that he hadn't done something wrong. So I decided not to leave the watch with him, and also decided against having
Kate G.
Kate G.
Jul 09, 2013
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I've been reviewing for years now and have yet to write a wholly negative review, but this store is in desperate need of one. When the owner's brother, Doug Marcou, owner of the Belmont branch, tells you this place isn't worth dealing with, you should count that as a sign. This store in Arsenal Mall is closed at hours when it purports to be open (I got there at 10, 11, and 11:30. Store info and mall info say it opens at 10), doesn't answer calls during business hours, and I have been trying for 24 hours now to get in touch with someone--anyone!--to no avail. "Great salesman