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Vintage 5 Carat Cabochon Ruby, Diamond and 18K Gold Retro Bezel Rope Style Ring – Assay Jewelers
7.29 Carat Heart Shape K Color I1 Clarity Diamond 18K Vintage Engagement Ring – Assay Jewelers
Save 9%
15.53 Carat Vintage Mexican Opal Diamond 18K Gold Split Shank Ring – Assay Jewelers
1.8 Carat Round Ruby Diamond Platinum and 18K Gold Bypass Ring – Assay Jewelers
Save 19%
7.8-10 Carat Natural Diamond Bezel Set 18K Gold Tennis Bracelet 7" – Assay Jewelers
Save up to 20%
GIA Certified 2.8 Carat Oval Lab Diamond & Ruby Halo Floral 18K Ring – Assay Jewelers
GIA Certified 8.58 Carat Demantoid Pendant Necklace in 18K White Gold – Assay Jewelers
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Vintage 11.36 Carat Opal and Briolette/Rose Cut Diamond Halo 18K Gold Ring – Assay Jewelers
18K Gold Square Emerald and Round Diamond Channel Set Band Ring – Assay Jewelers
Save up to 10%
18K White Gold 0.50 CT Blue & White Diamond Inside Out Huggie Hoop Earrings – Assay Jewelers
GIA Certified 26 Carat Sapphire Cabochon & Diamond Art Deco Dome 18K Ring – Assay Jewelers
Certified
Certified Jadeite Jade Grade A Fei Cui Two Bird Feeding Motif Pendant in 18k – Assay Jewelers
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Elsa Peretti For Tiffany & Co. 18k Gold Bangle and Dangle Earrings – Assay Jewelers
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Vintage Potter & Mellen "Owl" Chrysoberyl Cats-Eye Men's Brushed 18k Gold Ring – Assay Jewelers
3.72 Carat Diamond Full Eternity Hoop Earrings in 18k White Gold – Assay Jewelers
Save 19%
4.93 Carat Cabochon Cut Ruby & Oval Cut Diamond Three Stone 18K Ring – Assay Jewelers
Save 19%
3 Carat Diamond Riviera Graduated Tennis Necklace in 18k White Gold & Platinum – Assay Jewelers
4.09 Carat Peridot Pendant Necklace in 18K White Gold Cable Chain – Assay Jewelers
5 Carat TW Diamond Bezel Set Tennis Bracelet in 18k Yellow Gold 7" – Assay Jewelers
Save 20%
Natural 1.78 Carat Emerald and Diamond 18K Gold Mens Ring – Assay Jewelers
Save 9%
0.76 CTTW Green Diamond Floating Platinum Pendant 18k Gold Wheat Chain Necklace – Assay Jewelers
GIA Certified 6.47 Carat Green Tourmaline East-West Half Bezel 18K Ring – Assay Jewelers
Certified
3.6 Carat Cabochon Emerald and Diamond Flower Halo 18K Gold Ring – Assay Jewelers
Save 11%
12.8mm Golden South Sea Pearl and Round Cut Diamonds Ring in 18k Yellow Gold – Assay Jewelers
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7 Carat Black and White Diamond Two Strand Necklace in 18k White Gold – Assay Jewelers
GIA Certified 3.81 Carat Detachable Two-Piece Toi Et Moi Ring in 18K White Gold – Assay Jewelers
Certified
9-5 Carat Round & Emerald Cut Center Lab Diamond Tennis Bracelet in 18K – Assay Jewelers
Save up to 35%
18K Gold 2 Carat Emerald & Diamond Pave Cluster Band Ring – Assay Jewelers
Save up to 10%
GIA Certified 1.46 Carat Colombian Emerald and Diamond Ring in 18K White Gold – Assay Jewelers
Certified
5.09 Carat Blue Sapphire and Diamond Bangle Bracelet in 18k Yellow Gold – Assay Jewelers
Save 19%
Vintage 0.85 Carat Sun Motif Diamond Pendant Necklace Crafted in 18k Yellow Gold – Assay Jewelers
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0.72 Carat Emerald and Diamond Bypass 18K Gold Ring – Assay Jewelers
Save up to 9%
0.72 Carat Emerald and Diamond Bypass 18K Gold Ring
¥27,099.00 CNY ¥30,059.00 CNY
3 Carat Pink, Yellow, White Multi Cut Diamond Cluster Platinum And 18K Gold Ring – Assay Jewelers
Save 20%
10 Carat Natural Diamond Graduated Tennis Necklace 18K White Gold 16.5 Inches – Assay Jewelers
Antique Art Deco 18K Gold Mesh Evening Bag With Emerald and Diamond Frame – Assay Jewelers
Vintage Tigers Eye Quartz and 18K Gold Necklace, G. Vascellari Signed – Assay Jewelers
3.43 Carat Oval Cut Ruby and Diamond Halo Wedding Band Ring in 18K Gold – Assay Jewelers
Save 20%
2.11 Carat Oval Cut Emerald and Diamond Wedding Band in 18K Gold – Assay Jewelers
Save 10%
2.29 Carat Oval Cut Emerald and Diamond Wedding Band in 18K Gold – Assay Jewelers
Save 10%
6.5 CTTW Round Cut Diamond Honeycomb Motif 18k White Gold Bangle Bracelet – Assay Jewelers
Vintage 25 Carat Peridot Ring & Earring 18K Yellow Gold Jewelry Set – Assay Jewelers
Diamond Shaped 2 CTTW Diamond Stud in 18K White Gold Earrings – Assay Jewelers
2 Carat Princess Cut Diamond Encrusted Curved Top Overlap Ring in 18K – Assay Jewelers
Save 19%
9.07 Carat Blue Star Sapphire & Diamond Halo Ring in 18K White Gold – Assay Jewelers
Save 20%
21.13 Carat Pink Tourmaline & Diamond Floating Pendant Necklace in 14K/18K Gold – Assay Jewelers
4.7 Carat Princess Cut Diamond Half Bezel Tennis Bracelet in 18K White Gold 7" – Assay Jewelers
Save 19%
GIA Certified 5 Carat D/VS1 Diamond Wedding Eternity Band Ring in 18K White Gold – Assay Jewelers
Certified
33 Carat Total David Webb Signed Detachable Brooch In Platinum and 18K Gold – Assay Jewelers
18K Gold Jewelry

This collection features 18K gold jewelry crafted in solid 18-carat gold across a range of styles and designs. Buyers seek 18K gold pieces for their precious metal content, durability and timeless appeal.

 

18K gold jewelry includes pieces crafted from 75 % pure gold alloyed for strength, offering a balance of rich colour and durability suited to everyday wear. These 18K gold pieces appeal to buyers who value solid precious metal content, thoughtful design and transparent material descriptions. Each item is evaluated for gold purity, construction quality and condition; any known hallmarks or country marks are noted to support material authenticity. Buyers interested in solid gold jewelry appreciate clear details on karat content, weight and design features, with minor marks consistent with normal handling described rather than obscured. Condition notes include clasp function, solder points and surface finish to help inform selection without overstating attributes.

 

Key Facts

  • Definition: 18K Gold Jewelry is jewellery made from solid 18-carat gold, an alloy containing 75 % pure gold.

  • Boundary: This refers to solid 18K gold items, not gold-plated or gold-filled pieces.

  • Verification/Evidence: Each piece is checked for karat marking, construction quality and disclosed condition with transparent notes on findings.

Frequently Asked Questions