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John Anthony Jewelers' goal is to serve the public confidently, honestly, confidentially and efficiently. Our staff works to educate each customer thoroughly about the facts concerning the items purchased. We concentrate on the customer who wants the best in gems and workmanship. The same individual courtesy is extended to our clientele whether the purchase is large or small.

John Anthony Jewelers inventories Diamonds with GIA Gem Trade Labortory Reports. We also stock gem quality Sapphires, Rubies, Emeralds, Opals, Pearls, Jade, Tourmaline, Topaz and other desirable jewels.
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Over sixty-five years ago in the Overbrook section of Philadelphia, Pennsylvania a new and innovative business was introduced! John Anthony Jewelers established a completely equipped shop on the premises that could develop and manufacture elegant jewelry which would become family heirlooms of the future.
To the unsuspecting individual, buying a diamond can be a lot like walking through the jungle: hidden traps everywhere; an air of intimidation; things that aren't what they appear to be; an entirely unknown language. Without a guide, it's easy to become lost in this environment, which can lead to a bad decision.
Many jewelers confuse the consumer by advertising themselves as "wholesalers" or having never-ending sales that offer "70% to 80%" off. Don't be fooled. If it seems too good to be true, it is. John Anthony Jewelers has one goal: to provide accurately graded diamonds and fine jewelry at competitive prices to well-informed buyers.
As with all precious stones, the weight and therefore the size of a diamond is expressed in carats. The system is standardized and one carat is fixed at 200 milligrams or 1/5 of a gram. One carat is divided into 100 "points" so that a diamond of 25 "points" is described as a quarter of a carat or 0.25 carats.
Reviews (7)
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Janene Sickle
Oct 18, 2021
Never noticed this jeweler. Brought my watch in for a battery and the service was excellent. Changed it immediately and very friendly. Will definitely return.
Ryan Serdenes
Jun 27, 2020
What a professional and efficient service! So pleased with the staff's friendly approach and quality work. I will be returning here for all my jewelry/watch related needs!
Tran Huynh
Feb 04, 2020
I had my ring resized and watch repaired here and it was a great experience. The young staff was very friendly and took the time to explain the details. I would go here again for my jewelry needs. I highly recommend this place to everyone.
Lisa V.
Nov 05, 2019
Outstanding! I have an old smartwatch (that I love) with a broken band. They fixed it in less than two minutes. Save the watch that I love and the cost of buying a new one. 10 stars!
S. Fran
Oct 29, 2019
No other jeweler could solve thed priblem of making my bracelet fit my daughter's larger wrist, but these guys did beautifully and at a reasonable price.
Sharon Brettschneider
Mar 06, 2018
Great family owned business. Beautiful job doing our engagement and wedding rings.
Claudette Benton
Nov 09, 2017
The absolute best Jeweler in Bala Cynwyd. I love, love, love them