COMPARE • CHOOSE • USE
Buy with a clearer picture.
Practical Gold Kings advice for choosing bullion, testing equipment and jewelry tools. Start with the decision you need to make, compare the trade-offs, then explore the matching products in our store.
These guides explain who a product may suit, what to check before ordering and where its limitations matter. Recommendations draw on published specifications and manufacturer guidance; they do not represent controlled hands-on reviews.
Gold testing equipment
Choose a tester for the work you actually do, understand its limits, and learn a repeatable testing routine.
Comparison
KEE vs. GemOro AuRACLE PRO: Which Gold Tester Fits Your Work?
Compare the KEE and GemOro AuRACLE PRO by display, calibration, probe care and workflow before choosing an electronic gold tester.
Comparison
Electronic Gold Tester vs. XRF: What Each Can Tell You
Understand the difference between pen-probe gold testers and XRF analysis, including surface limitations, ownership costs and buying checks.
How-To
How to Use a KEE Gold Tester: Calibration and Common Mistakes
Learn the KEE gold tester’s basic calibration workflow, reference checks, probe care and common mistakes before testing unknown jewelry.
Gold & silver bullion
Compare coin formats and purchase costs before choosing a listing. A familiar coin is only part of the buying decision.
Comparison
Silver Eagle vs. Silver Maple Leaf: What to Compare Before Buying
Compare one-ounce Silver Eagles and Maple Leafs by silver content, packaging, delivered price and resale questions.
Buying Guide
Buying Fractional Gold: Is a 1/10 oz Gold Eagle Right for You?
Understand the trade-offs of a tenth-ounce Gold Eagle: purchase size, premium per ounce, random-year offers and resale flexibility.
Jewelry & coin tools
Match the tool to the job, starting with scale capacity, readability and calibration.
Buying Guide
How to Choose a Jewelry Scale: Capacity, Precision and Calibration
Choose a jewelry scale by useful capacity, readability and calibration requirements. Compare pocket scales with milligram models.
Explore more buying guides
Find practical advice for your next purchase, from gold-testing equipment and bullion to the tools you use to inspect, weigh and store valuables.
Gold testing & XRF
Compare instruments, build a testing kit and understand calibration, maintenance and ownership costs.
- GemOro AuRACLE Analyzer vs. PRO: Which Features Are Worth Paying For?
- KEE Gold Tester Buying Guide: Kit Contents, Probes and Ownership Costs
- How to Set Up and Calibrate a GemOro AuRACLE PRO
- How to Use the GemOro AuRACLE Analyzer
- Choosing a Gold Reference Sample for Your Electronic Tester
- Gold Acid Test Kit vs. Electronic Tester: Which Fits Your Needs?
- When Should You Replace a KEE Gold Tester Probe?
- Testing White and Rose Gold: What to Check in Your Tester’s Manual
- Testing Thin Chains and Small Earrings: Contact Problems to Watch For
- Building a Starter Gold-Testing Kit: What to Buy First
- What Does Owning an XRF Gold Analyzer Really Cost?
- Benchtop vs. Handheld XRF: Which Suits a Jewelry Counter?
- New vs. Used XRF Analyzers: Warranty and Service Questions
- How to Evaluate an XRF Demonstration Before Buying
- How to Read an XRF Jewelry Report Without Overinterpreting It
- Gold Test Needles: What They Do and How to Choose a Set
- JSP 10K/14K Solutions vs. a GTE Multi-Metal Test Kit
- Choosing a Gold Testing Stone: Size, Surface and Kit Compatibility
- Replacing Gold Test Solutions: Labels, Dates and Storage Instructions
- Setting Up a Jewelry Testing Workstation: Tools and Organization
Silver bullion
Compare silver coins, premiums, packaging and buying options.
- Silver Maple Leaf vs. Silver Philharmonic: Which Fits Your Collection?
- Silver Krugerrand vs. Silver Philharmonic: Comparing One-Ounce Coins
- Silver Kookaburra vs. Silver Koala: Which Series Appeals to You?
- Silver Libertad Buying Guide: When Is Its Premium Worth It to You?
- Silver Kangaroo vs. Silver Maple Leaf: Comparing Multipacks
- Type 1 vs. Type 2 Silver Eagles: What Buyers Should Check
- One Silver Coin or a Multipack? Comparing Total and Per-Coin Cost
- Buying a Two-Ounce Silver Coin: Size, Premium and Storage
- Silver Coin Gift Sets vs. Plain Bullion: What Are You Paying For?
- Random-Year Silver Coins: Condition, Images and Seller Selection
Gold coin buying
Explore fractional gold, compare offers and check the details before ordering.
- 1/10 oz Gold Eagle vs. Gold Kangaroo: Comparing Small Gold Coins
- 1/10 oz Gold Eagle vs. Gold Krugerrand: Which Format Do You Prefer?
- 1 g Gold Maple Leaf vs. 1/10 oz Gold Eagle: Cost and Size Compared
- Buying a 1 g Gold Maple Leaf: Packaging and Listing Details to Check
- 1/10 oz Gold Kangaroo Buying Guide: Capsule, Condition and Fine Gold
- Choosing a Gold Coin as a Gift: Size, Date and Presentation
- Comparing Gold Coin Offers on Amazon: A Buyer’s Checklist
- APMEX and JM Bullion Offers on Amazon: How to Verify the Seller
- Raw vs. Graded Bullion Coins: When Does the Holder Matter?
- Buying Gold Coins Online: Delivery, Returns and Receipt Records
Loupes & magnification
Choose the right magnification and learn how to inspect jewelry and coins.
- Choosing a Jeweler’s Loupe: Magnification, Lighting and Lens Quality
- Bausch + Lomb Hastings Triplet vs. JARLINK LED Loupe
- 10x vs. 30x and 60x Loupes: Is More Magnification More Useful?
- How to Hold and Focus a Jeweler’s Loupe
- Carson TriView Buying Guide: Using Its Magnification Options
- Pocket Microscope vs. Jeweler’s Loupe: Which Should You Buy?
- Carson MicroBrite Plus vs. Pro: Is the Smartphone Adapter Useful?
- How to Photograph a Hallmark Through a Smartphone Microscope
- Choosing Magnification for Coin Surface Inspection
- Why Your Loupe Image Looks Blurry: Focus, Lighting and Cleaning
Jewelry scales
Compare scales and get more consistent results with calibration, tare and repeatability checks.
- MAXUS vs. Smart Weigh 500 g Pocket Scales: What to Compare
- Weigh Gram vs. Fuzion 200 g Scales: Capacity and Calibration Kits
- AWS GEMINI-20 Buying Guide: Is a 20 g Capacity Enough?
- How to Calibrate a Fuzion 200 g Scale
- How to Calibrate a Weigh Gram 200 g Scale
- Why Your Jewelry Scale Gives Different Readings
- Choosing Calibration Weights: Correct Mass and Suitable Tolerance
- How to Use Tare When Weighing Jewelry in a Tray
- Pocket Scale vs. Kitchen Scale for Checking Bullion Coin Weight
- How to Check Scale Repeatability Before Weighing Valuables
Diamond & gemstone testing
Compare testers, understand their limits and improve your inspection routine.
- Presidium Diamond Mate A vs. GemOro UltraTester 3+
- Presidium Gem Tester II vs. Duo Tester II: Which Fits Your Work?
- Can a Diamond Tester Distinguish Natural and Lab-Grown Diamonds?
- Diamond vs. Moissanite Testing: Which Instrument Features Matter?
- How to Use a Presidium Diamond Mate A
- How to Use a GemOro UltraTester 3+
- Testing Mounted vs. Loose Gemstones: Avoiding Misleading Readings
- Why Your Diamond Tester Beeps on a Metal Setting
- Choosing a Gemstone Tester for Colored Stones
- Building a Gemstone Inspection Kit: Tester, Loupe and Tweezers
Coin storage
Find suitable capsules, flips, folders and other storage for your collection.
- Coin Capsules vs. Flips vs. Folders: Which Storage Fits Your Coins?
- How to Choose a Coin Capsule That Actually Fits
- Guardhouse 39 mm vs. 40.6 mm Holders: Matching the Coin
- Adjustable-Gasket vs. Direct-Fit Coin Capsules
- SAFLIP Double-Pocket Flips: How to Store Coins and Identification Notes
- Coin Folders vs. Binder Pages: Organizing a Growing Collection
- Choosing Whitman Folders for Lincoln Cents, Quarters and Half Dollars
- Using an Undated Morgan Dollar Folder to Organize a Collection
- Coin Tubes vs. Roll Boxes: Organizing Bulk Pennies
- Measuring a Coin for a Holder Without Scratching It
Shopping for jewelry in person?
Learn how Gold Kings prices jewelry sold by weight, then contact the store about current availability before visiting.
From learning to choosing
Each guide links to relevant Gold Kings product pages so you can compare the exact item and its specifications. Product pages also link back to useful advice. For broader explanations of precious metals, hallmarks and jewelry value, visit the Gold Guide.
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