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18K Gold

10mm 18K Yellow Gold Carmine / Scapolare, Double Sided Medallion

$426
Chain Length: 10-inch

Frequently Asked Questions

All You Need to Know About Fine Jewelry

What makes USA Jewels different from other jewelers?

Why Shop With Us

We're a family business that's been doing this for generations. You're buying direct from the manufacturer, so you're not paying retail markups. We can customize almost anything, and if something goes wrong, we're here to fix it. Real people answer the phone.

  • Direct pricing—no middleman markup
  • Customization on most pieces
  • Certified diamonds
  • Lifetime warranty options
  • Actual humans for support
What if I need to return something?

Returns

You have 30 days to return anything that doesn't work out. As long as it's unworn and in original condition, you'll get a full refund. We cover return shipping too. Custom orders are a bit different—ask us about those before you order.

  • 30 days to decide
  • Full refund if unworn
  • We pay return shipping
  • Exchanges work too
  • Custom pieces may vary
How do you ship orders?

Shipping

Everything ships fully insured, and someone has to sign for it—we're not leaving jewelry on a doorstep. The packaging is plain so nobody knows what's inside. You'll get tracking as soon as it ships, and express is available if you need it fast.

  • Fully insured
  • Signature required
  • Discreet packaging
  • Tracking on every order
  • Express available
Can I customize my jewelry?

Customization

Most of what we sell can be adjusted. Pick your metal, choose your diamond quality, change the size—we make it how you want it. Engraving is available too. If you have something specific in mind, reach out and we'll see what we can do.

  • Choose your metal and karat
  • Select diamond specs
  • Custom sizing
  • Engraving available
  • Design tweaks possible
Are your diamonds certified?

Diamond Certification

Yes—our diamonds come with grading reports from independent labs like IGI and GIA. That means the cut, color, clarity, and carat weight have been verified by someone other than us. All our diamonds are conflict-free.

  • IGI certified available
  • GIA certified available
  • Full grading reports included
  • Conflict-free guaranteed
  • Every piece quality-checked

Buyer's Guide

18K Gold Chains Buying Guide

18K gold contains 75% pure gold—the highest practical purity for jewelry meant to last. It's the standard for luxury pieces worldwide. Here's what makes 18K different and who it's right for.

Why Choose 18K?

18K gold offers the richest color you can get in durable jewelry:

Color: More saturated, warmer gold tone than 14K. The difference is visible.
Prestige: International luxury standard. 18K is expected for high-end pieces.
Value retention: Higher gold content holds value better long-term.
Hypoallergenic: Less likely to cause reactions due to lower alloy metal content.

The tradeoff is softness—18K scratches more easily than 14K. For everyday chains, consider whether you'll baby it.

When 18K Makes Sense

Special occasion pieces: Chains for events rather than daily wear.
Investment purchases: When gold content and resale value matter.
Skin sensitivity: If 14K causes reactions, 18K often solves it.
Luxury aesthetic: When only the richest gold color will do.
Heirloom pieces: Jewelry meant to be passed down.

For gym chains or rough daily wear, 14K's durability often makes more sense.

Chain Styles in 18K

18K gold's softness affects which styles work best:

Best choices:
- Cable chains (simple links, less stress points)
- Box chains (sturdy construction)
- Wheat chains (flexible, distributes stress)

Proceed with caution:
- Very thin chains (more fragile in 18K)
- Hollow chains (can dent easily)
- Complex link styles (more points for wear)

Heavier, solid chain constructions hold up better in the softer 18K alloy.

Price Expectations

18K chains cost more because they contain more gold:

Expect to pay roughly 30-50% more than equivalent 14K chains. The premium varies by:
- Gold market prices
- Chain construction (solid vs. hollow)
- Manufacturing complexity
- Brand premium

Weight for weight, 18K is more expensive. But you're getting significantly more gold—75% pure compared to 58.3% in 14K.

Care and Maintenance

18K requires more careful handling than 14K:

Storage: Keep separate from harder jewelry that could scratch it.
Wearing: Remove for activities that risk damage.
Cleaning: Gentle cleaning with warm soapy water. Avoid ultrasonic cleaners for delicate chains.
Professional service: Annual inspection to check for wear on clasps and weak points.

With proper care, 18K chains last generations. Without it, they show wear faster than 14K.

Authenticity Verification

Hallmarks: Look for "18K," "750," or "18KT" stamps.

Color test: 18K has a noticeably richer yellow than 14K when placed side by side.

Weight: Genuine 18K feels substantial. Same-size pieces in 18K weigh more than plated alternatives.

Price check: If it seems too cheap for 18K, question it.

Buy from reputable sources: Established jewelers stand behind their gold claims. Request documentation for expensive purchases.