Skip to main contentSkip to footer
Join us May 19–21 for our exclusive Estate Buying Event! Learn More
  • Sign InToggle My Account Menu
    Login
    Forgot Password?

    Don’t have an account? Sign up now

  • Store Services
  • Contact Us
  • Call Us Today!(618) 351-1200
  • Come See Us!Carbondale, IL
  • Toggle My Account Menu
    Login
    Forgot Password?

    Don’t have an account? Sign up now

  • Toggle My Wishlist
  • Toggle Shopping Cart Menu
T.J.'s Fine Jewelry logo
  • Custom Jewelry
    Our Custom Process
    Our Custom Gallery
    Design Your Ring
    Make an Appointment
    Build Your Band
    Remounting & Redesign
    Personalized Jewelry
    Visit Us in Store
    Menu image
    Menu image
    Menu image
    Menu image
  • Bridal Jewelry
    Build Your Ring
    SolitaireSide StonesThree StoneHaloPaveVintageSingle RowBypassShop All Styles
    Engagement Rings
    Complete Engagement RingsEngagement Ring SettingsWedding SetsView All Engagement Rings
    Wedding Bands
    Wrap BandsAnniversary BandsWomen's Wedding BandsMen's Wedding Bands
    Loose Diamonds
    Loose Diamond SearchDiamond ConsultationsThe 4Cs of Diamonds
    Bridal Services
    Custom Bridal JewelryRing ResizingRmeounting & RedesignJewelry RepairBridal Consultations
    Menu image
    Menu image
    Menu image
  • Diamonds & Diamond Jewelry
    Loose Diamonds
    RoundPrincessEmeraldOvalCushionRadiantPearHeartMarquiseAsscherView All
    Diamond Jewelry
    Diamond StudsTennis BraceletsFashion RingsEarringsNecklaces & PendantsBracelets
    Education
    The 4Cs of DiamondsDiamond Buying GuideDiamond Jewelry Care
    Menu image
    Menu image
    Menu image
    Menu image
  • Fine Jewelry
    Diamond Jewelry
    EarringsNecklacesRingsBracelets
    Gemstone Jewelry
    EarringsNecklacesRingsBracelets
    Pearl Jewelry
    EarringsNecklacesRingsBracelets
    Fashion Jewelry
    EarringsNecklacesRingsBracelets
    Birthstone Jewelry
    Lab Grown Jewelry
    Estate Jewelry
    Charms
    Watches
    Shop by Designer
    Menu image
    Menu image
    Menu image
  • Services & Repairs
    Jewelry Repairs
    Ring Resizing
    Watch Batteries & Sizing
    Cleaning & Inspection
    Tip & Prong Repair
    Gold & Silver Scrap Buying
    Remounting & Redesign
    Rhodium Plating
    Consignment
    Interest-Free Financing
    Menu image
    Menu image
    Menu image
  • Education
    Diamonds
    Buying Stones
    Gemstones
    Jewelry Care
    Metals
    Buying Gold
    Settings
    Gift Guide
    Menu image
    Menu image
    Menu image
    Menu image
  • Financing
  • About TJ's
    About Us
    Our Reviews
    FAQs
    Financing Options
    Store Events
    Make an Appointment
    Send Us a Message
    Get Directions
    Menu image
    Menu image
    Menu image
    Menu image
  • Sign InToggle My Account Menu
    Login
    Forgot Password?

    Don’t have an account? Sign up now

  • Store Services
  • Contact Us
T.J.'s Fine Jewelry logo
Log In My Cart
  1. Home
  2. Education
  3. Diamond Buying Tips

Diamond Buying Tips

Buying a diamond could be one of the most important purchases in one’s life. The following tips may help make it easier to make this important purchase.

Various diamond shapes and sizes

Diamond Buying Tips: What Really Matters

Shopping for a diamond is exciting, but it can be overwhelming too. Whether you’re choosing an engagement ring or a special gift, these tips will help you shop smart, stress less, and get the best value for your budget. For a deep dive into the 4 Cs, visit our Four Cs of Diamonds guide.

Where to Save, Where to Splurge

  • Color: Most people can’t see the difference between colorless and near-colorless grades—“G” or “H” are great values.
  • Clarity: Eye-clean diamonds (VS2, SI1) look just as good as higher grades. Don’t overpay for what only a microscope can find.
  • Carat: Buying just under major weights (like 0.90ct vs. 1.00ct) saves money and looks nearly identical.
  • Cut: The one place to splurge—cut brings the sparkle, so make it your top priority.

Pro Tip

The best diamond is the one that feels right for you. Halo and thin bands can make a center stone look larger, and the right setting can hide small flaws or enhance color. Focus on what you love and what fits your style, not just the grades on paper.

Size vs. Sparkle: Which Matters More?

Going big isn’t always best. The larger the diamond, the more visible any imperfections may become. And if the cut isn’t great, a bigger diamond can actually look less brilliant than a smaller, well-cut stone. No matter the size, cut quality determines how much a diamond sparkles. Don’t compromise here.

Tips for Smart Shopping

  • Ask to see diamonds loose and under magnification.
  • Request the grading report and check the details before you buy.
  • Consider your lifestyle and how much the ring will be worn every day.
  • Buy from a jeweler with a fair return or exchange policy for peace of mind.

Color, Setting & Style

Most diamonds range from colorless to faint yellow or brown. A touch of warmth can add character. Settings in yellow or rose gold can make slightly tinted diamonds look whiter, helping you save without sacrificing beauty. Ultimately, choose what suits your style and what looks best to you.

Frequently Asked Questions

Should I buy online or in-store?
Online often means lower prices and more options; in-store gives you personal service and the chance to see stones in person. Choose a reputable, well-reviewed jeweler either way.
What certifications matter?
Stick with diamonds graded by GIA or AGS. Independent, third-party grading gives you confidence in what you’re buying.
Are lab-grown diamonds a good option?
Lab-grown diamonds look identical to natural ones and cost less. A smart, sustainable choice for many shoppers. However, they may not hold their long-term value as well as natural diamonds.
How do I avoid overpaying?
Shop around, compare stones, and don’t get pressured by high-pressure tactics or “one-day only” sales. Ask to see diamonds loose and under magnification.
Can the setting make a difference?
Absolutely! The right setting can disguise minor flaws, enhance color, and make your diamond look larger and brighter.
Do I need the highest grades?
Not at all. The most beautiful diamonds fall in the “sweet spot” for value. Buy what looks great to your eye, not just what’s on paper.
What is fluorescence and does it matter?
Fluorescence is a natural property found only in some natural diamonds that causes them to glow under ultraviolet light (like blacklights). About 25-35% of natural diamonds have some fluorescence, usually blue. In most cases, faint to medium fluorescence doesn’t affect a diamond’s beauty and can even make slightly yellow diamonds appear whiter. However, strong fluorescence can sometimes make a diamond look hazy or oily in sunlight. Lab-grown diamonds typically don't fluoresce, which is one way gemologists can distinguish them from natural stones.

Sign up for our newsletter to receive updates and exclusive offers.

Our Address
1224 West Main Street
Carbondale, IL 62901
(618) 351-1200
Store Information
Hours of Operation
Mon-Fri:Monday - Friday:
10:00am - 5:00pm
Saturday:
10:00am - 3:00pm
Sunday:
Closed
Our Jewelry
  • Engagement Rings
  • Wedding Bands
  • Earrings
  • Necklaces
  • Chains
  • Rings
  • Bracelets
  • Charms
  • Watches
Our Brands
  • Aiya Designs
  • American Ring Source
  • Benchmark
  • Chalmar Enterprises
  • David Kord
  • Essential Lab Grown Diamonds
  • Ever & Ever
  • Heavy Stone
  • Heera Moti
  • Leslie's
  • Ostbye
  • Overnight
  • Rose Classics Inc.
  • Shah Luxury
  • Vardi Company
Follow Us
  • Visit the ijo website
  • Visit the bbb-oldschool website
  • Return Policy
  • Privacy Policy
  • Terms & Conditions
  • Accessibility Statement

© 2026 T.J.'s Fine Jewelry. All Rights Reserved.

Powered by: Punchmark

My Bag
Shopping cart contents
Loading

Learn how we use cookies in our Privacy Policy or manage cookie preferences.

TJ'S FINE JEWELRY

ESTATE BUYING EVENT

Estate Jewelry
RECEIVE A 20% BONUS*

Turn Your Valuables Into Immediate Payment

May 19 - May 21, 2026

Join our estate specialists for a free, no-obligation offer on your gold, diamonds, watches, and more.

SEE FULL DETAILS & TIMES

*Bonus applied when taking store credit. See store for details.