24K Gold · Live / gram — / oz updating… Track your gold →

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Certificate of Authenticity

Every piece ships with its own signed certificate.

999 Fine, Hand-Forged

Solid 24K gold, made by hand — never plated.

Priced Live to the Gram

You pay the real gold price, updated every minute.

Straight from the Goldsmith

Crafted to order — no middleman.

Customer Reviews

From our community on Instagram

★★★★★

“OMG BUY IT! The color, the fit, the customer service and overall amazing experience — AHHH! I’m so happy I placed an order.”

Via Instagram
★★★★★

“decaannulijewelry made me this gorgeous 24K 2.8mm round band with my wedding date engraved inside!”

Via Instagram
★★★★★

“Thank you decaannulijewelry for my GORGEOUS and perfect 24K gold stacking ring! She’s so pretty in the sun.”

Via Instagram

Why Invest in Deca Annuli

Not just jewelry — solid, investment-grade gold you can wear, priced with total honesty.

Complete Price Transparency

Every piece shows its gram weight and is priced live to the gold market. You see exactly what you pay for — real metal value plus an honest craft fee, never a hidden brand markup.

Investment-Grade 24K Gold

999 fine gold is the same metal central banks hold. Your piece is a joy to wear and a tangible asset whose value tracks the global market.

Hand-Forged to Last Generations

Each piece is shaped by hand and made to be worn, loved, and handed down — an heirloom that holds its value no matter what fashion does.

Powered by DecaGram

Track Your Gold as an Investment

Every Deca piece is solid 24K gold — a tangible asset. With the DecaGram app, watch the live market value of your jewelry rise and fall with the gold market, minute by minute, the way you'd track a stock — and earn real gold rewards as your collection grows.

Get DecaGram — Free
Download on theApp Store Coming soon toGoogle Play

Sign up and get 10% off our craftsmanship fee on your first piece.*

DecaGram YOUR STANDING Ring IV BULLION 32 g of gold to Ring V YOUR GOLD DIVIDENDS 1.36 g Real 24k, set aside for you as you climb. $179 Bullion YOU ARE HERE 2% of every piece, back in gold Redeem gold — up to 25% First access to new drops Holdings Rewards Calculator DecaGram YOUR 24K HOLDINGS $5,655 current value TOTAL WEIGHT 43 g YOUR HOLDINGS VALUE Total $5,834 · 44.36 g ▲ +$1,185 · past year Your pieces · $5,655 Dividends · $179 1M 3M 6M 1Y Jul Oct Jan Apr Holdings Rewards Calculator

An actual member view — 43 g of pieces, Ring IV (Bullion), with 1.36 g earned in gold dividends.

Inside the studio