--- title: Grogan Jewelers By Lon | Blog | The 4 Cs description: The 4 Cs | Explore the latest jewelry trends, popular engagement rings, stylish wedding bands, antique pieces, custom designs, plus expert care and repair tips. --- Toggle navigation - [JEWELRY](https://www.groganjewelers.com/jewelry) - [EDUCATION](https://www.groganjewelers.com/education) - [DESIGNERS](https://www.groganjewelers.com/designers) - [OUR STORY](https://www.groganjewelers.com/ourstory) - [BLOG](https://blog.groganjewelers.com) - [CONTACT](https://www.groganjewelers.com/contact) - [Florence Alabama Location](https://www.groganjewelers.com/contact/jewelry_stores_florence_al) - [Huntsville Alabama Location](https://www.groganjewelers.com/contact/jewelry_stores_huntsville_al) - [Cool Springs Location](https://www.groganjewelers.com/contact/jewelry_stores_franklin_tn) - Search - ##### Search our Catalog - My Account - [Log in](http://www.groganjewelers.com/login) - [Register](http://www.groganjewelers.com/login) - [JEWELRY](https://www.groganjewelers.com/jewelry) - [EDUCATION](https://www.groganjewelers.com/education) - [DESIGNERS](https://www.groganjewelers.com/designers) - [OUR STORY](https://www.groganjewelers.com/ourstory) - [BLOG](https://blog.groganjewelers.com) - [CONTACT](https://www.groganjewelers.com/contact) - [Florence Alabama Location](https://www.groganjewelers.com/contact/jewelry_stores_florence_al) - [Huntsville Alabama Location](https://www.groganjewelers.com/contact/jewelry_stores_huntsville_al) - [Cool Springs Location](https://www.groganjewelers.com/contact/jewelry_stores_franklin_tn) - Search - ##### Search our Catalog - My Account - [Log in](http://www.groganjewelers.com/login) - [Register](http://www.groganjewelers.com/login) [![grogan logo ](https://blog.groganjewelers.com/hs-fs/hubfs/GroganJewelers%20-Sep2017/image/Grogan_Logo_Type_Emerald.jpg?width=1024&name=Grogan_Logo_Type_Emerald.jpg "Grogan_Logo_Type_Emerald.jpg")](https://www.groganjewelers.com/) ### [The 4 Cs of Diamonds & Gemstones September 22, 2021 | by Bianca Azevedo If you’re shopping for diamond jewelry or thinking about getting engaged, you’ve undoubtedly heard about the 4 Cs of diamonds: carat weight, color, clarity, and cut. But what does that actually mean? And how do you know what to choose? You don’t need to be a diamond expert in order to select a [high-quality diamond](https://www.groganjewelers.com/education-diamonds) that’s perfect for you, so we’ve compiled this comprehensive guide to the 4 Cs of gemstones to help you out!](https://blog.groganjewelers.com/the-4-cs-part-1-carat-weight) In Jewelry, The 4 Cs [All posts](https://blog.groganjewelers.com/all) ### Brentwood, TN (615) 716-8626 129 Franklin Road Brentwood, TN 37027 #### Our Store Hours: (By appointment only) **Monday:** CLOSED **Tuesday:** 11:00 am - 4:00 pm **Wednesday:** 11:00 am - 4:00 pm **Thursday:** 11:00 am - 4:00 pm **Friday:** 11:00 am - 4:00 pm **Saturday:** CLOSED **Sunday: CLOSED** [Get Directions Here](https://www.groganjewelers.com/contact/jewelry_stores_franklin_tn) ### Huntsville, AL(256) 837-4808 315 The Bridge Street, Suite 101 Huntsville, AL 35806 #### Our Store Hours: **Monday:** 10:00 am - 8:00 pm **Tuesday:** 10:00 am - 8:00 pm **Wednesday:** 10:00 am - 8:00 pm **Thursday:** 10:00 am - 8:00 pm **Friday:** 10:00 am - 8:00 pm **Saturday:** 10:00 am - 8:00 pm **Sunday: CLOSED** [Get Directions Here](https://www.groganjewelers.com/contact/jewelry_stores_huntsville_al) ### Florence, AL(256) 764-4013 285 Cox Creek Parkway Florence, AL 35630 #### Our Store Hours: **Monday:** 10:00 am - 7:00 pm **Tuesday:** 10:00 am - 7:00 pm **Wednesday:** 10:00 am - 7:00 pm **Thursday:** 10:00 am - 7:00 pm **Friday:** 10:00 am - 7:00 pm **Saturday:** 10:00 am - 7:00 pm **Sunday: CLOSED** [Get Directions Here](https://www.groganjewelers.com/contact/jewelry_stores_florence_al) - [Jewelry](https://www.groganjewelers.com/jewelry) - [Designers](https://www.groganjewelers.com/designers) - [Education](https://www.groganjewelers.com/education) - [Testimonials](https://www.groganjewelers.com/testimonials) - Newsletter - [Warranty](https://www.groganjewelers.com/pages/lifetime-warranty) - [Privacy Policy](https://www.groganjewelers.com/privacy-policy) © 2020 Grogan Jewelers. All Rights Reserved.  × ##### BECOME AN INSIDER AND ## GET 10% OFF ### YOUR FIRST PURCHASE No thank you \*Your privacy is very important to us. Your information is 100% secure with us.