The Ultimate Guide to Gold Jewelry & Byzantine Chains - by Sigma Jewellers

The Ultimate Guide to Gold Jewelry & Byzantine Chains

By Sigma Jewellers

The Art and Science of Precious Metal Alloys

At Sigma Jewellers, every piece starts with the purest, ethically sourced metals. Our in-house metallurgist—certified in North American jewelry standards—personally oversees the creation of each alloy, ensuring quality and authenticity in every link.
Our Alloys:
  • 925 Sterling Silver: 92.5% pure silver + 7.5% pure copper
    The global standard for fine silver jewelry—durable, bright, and timeless.
  • 10k Gold: 41.7% pure gold + 58.3% pure silver
    Affordable, sturdy, and perfect for everyday luxury.
  • 14k Gold: 58.3% pure gold + 41.7% pure silver
    The sweet spot for richness, durability, and value.
  • 18k Gold: 75.0% pure gold + 25.0% pure silver
    Luxuriously rich in color, prized by collectors and connoisseurs.
  • 950 Platinum: 95% platinum + 5% pure silver
    The pinnacle of rarity and prestige, with unmatched purity and weight.
All metals are sourced exclusively from certified, ethical suppliers—no exceptions.

100% Handmade, Just for You

Each Sigma Jewellers piece is individually hand-crafted to order, not mass produced. From the first cut of wire to the final polish, your jewelry is shaped, woven, and finished by a master artisan.
  • Crafting time: 2–4 weeks per piece
  • Worldwide shipping available
Every chain is a one-of-a-kind heirloom, made to your specifications.

Why Real Jewelry Is a Smart, Growing Asset

Gold, silver, and platinum jewelry are more than adornment—they’re assets with the potential to grow in value over time.
  • Intrinsic Value: Precious metals not only retain but often appreciate, making your purchase a foundation for future gains.
  • Heirloom Quality: Handmade pieces are built to be passed down, increasing in both sentimental and financial worth as years go by.
  • Global Liquidity: Fine metals are valued everywhere, giving you flexibility and security.
  • Protection Against Inflation: Gold and platinum are classic growth vehicles during economic shifts.
When you choose a Sigma Jewellers chain, you’re investing in a progressive asset—one that grows with you and your legacy.

The Byzantine Chain: History, Rarity, and Prestige

A Chain Fit for Emperors and High Priests
The Byzantine chain dates back to the height of the Byzantine Empire (circa 330–1453 AD). Originating in ancient Constantinople, this intricate weave was a symbol of power, sophistication, and exclusivity.
  • Historical Significance: Only the elite—emperors, high priests, and nobility—were permitted to wear Byzantine chains.
  • Guarded Craft: The secrets of the weave were passed down only to select master jewellers; it was forbidden for commoners and even lesser artisans to attempt.
  • Symbol of Status: Wearing a Byzantine chain was a public declaration of wealth, influence, and refined taste.
Today, authentic Byzantine chains remain rare and highly sought-after among serious collectors and investors. Their complexity means they are heavy, expensive, and not for the faint of heart—these are chains for those who truly appreciate craftsmanship and legacy.

Our Byzantine Chain Specifications

We craft Byzantine chains in multiple gauges and sizes, each one robust and substantial:
Gauge Wire Diameter Inside Diameter (ID) Chain Width (OD)
18 1.02mm 4mm 6mm
16 1.29mm 5mm 7.5mm
14 1.63mm 6mm 9mm
13 1.83mm 7mm 10.5mm
12 2.0mm 8mm 12mm

  • Note: The outside diameter of the rings matches the chain width, giving each piece a bold, unmistakable presence.

Why Choose Sigma Jewellers?

  • Certified Alloys: Every piece is metallurgically certified for purity and quality.
  • Ethical Sourcing: Only certified, conflict-free metals.
  • Handmade Excellence: Crafted by master jewellers, never machines.
  • Worldwide Shipping: Invest in heritage with growth potential, wherever you are.
  • Progressive Value: Your chain isn’t just an accessory—it’s a dynamic asset that can appreciate over time.

Own a piece of history. Invest in true craftsmanship. Experience the rare legacy of the Byzantine chain—handmade for you by Sigma Jewellers.
☝️Click the image above to view all our Byzantine Chain models, and chose your options