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Roberto Coin Frosted Woven Round 18K White Gold Appassionata Stud Earrings – Assay Jewelers
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Roberto Coin 18K White Gold Woven Flexible Bangle Bracelet – Assay Jewelers
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Roberto Coin in 18K Rose Gold Woven Cylinder Flexible Bangle Bracelet – Assay Jewelers
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GIA Certified Cushion Cut Blue Topaz in 18K Gold Bezel Pendant Necklace – Assay Jewelers
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Vintage Retro 18K Yellow Gold Wide Multi-Link Bracelet – Assay Jewelers
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8.5 Carat Diamond Pave Set 18K Gold Vintage Dome Band Ring – Assay Jewelers
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Antique Italian Coin Signed Gage in 18K Gold Brooch – Assay Jewelers
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Antique Italian Coin Signed Gage in 18K Gold Brooch
¥1,714,500 JPY ¥2,143,100 JPY
Turquoise & Diamond Pave 18K Gold Dome Ring – Assay Jewelers
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Turquoise & Diamond Pave 18K Gold Dome Ring
¥4,554,000 JPY ¥5,692,400 JPY
Wendy Yue Opal & Sapphire Dragonfly 18K White Gold Dome Ring – Assay Jewelers
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2.87 Carat Pear-Cut Orange Sapphire Heart Ring 18K Gold – Assay Jewelers
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18.06 Carat AAAA Tanzanite 18K White Gold Split Shank Ring – Assay Jewelers
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Vintage Retro Lapis Lazuli 18K Gold Drop Earrings – Assay Jewelers
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Vintage GIA Certified Lapis Lazuli 18K Gold Bead Necklace – Assay Jewelers
Mikimoto Signed 33-Inch Akoya Pearl 18k Gold Bead Necklace – Assay Jewelers
GIA Certified 4.3 Carat Colombian Emerald 18K Gold Button Sunburst Ring – Assay Jewelers
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AGL Certified 3.98 Carat Colombian Emerald 18K Gold Platinum Mens Ring – Assay Jewelers
Black South Sea Pearl & Diamond 18K White Gold Floral Cluster Ring – Assay Jewelers
Vintage 3.04 Carat Emerald & Old Cut Diamond 18K Wide Shank Mens Ring – Assay Jewelers
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3.14 Carat Pink & Blue Sapphire & Diamond Pave in 18K White Gold Parrot Brooch – Assay Jewelers
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Vintage 5mm Pearl & Ruby Floral Cluster 18K Gold Twisted Shank Cocktail Ring – Assay Jewelers
GRS Certified 4.93 Carat Emerald & Diamond 18K Gold Floral Cluster Cocktail Ring – Assay Jewelers
AGL Cert 5.21 Carat Colombian Emerald East-West 18K Gold Unisex Ring – Assay Jewelers
14.24 Carat Pink Opal & Diamond 18K Gold Floral Cocktail Ring – Assay Jewelers
GIA Certified 11 Carat Triangle Cut Tsavorite Diamond 18K Gold Pendant Necklace – Assay Jewelers
15 Carat Oval Aquamarine & Diamond 18K White Gold Retro Dangle Earrings – Assay Jewelers
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20.22 Carat Star Sapphire Starfish Pendant Brooch in 22K and 18K Gold – Assay Jewelers
5.62 Carat Pear Diamond Solitaire Drop Pendant Necklace 18K White Gold – Assay Jewelers
25 Carat Aquamarine, Tourmaline, & Diamond 18K Gold Platinum Retro Bracelet – Assay Jewelers
Vintage 7.3 Carat Diamond 18K Gold Textured Floral Leaf Chandelier Necklace – Assay Jewelers
6.25 Carat Rainbow Sapphire & Diamond 18K Gold Matte Link Bracelet – Assay Jewelers
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4.44 Carat Round Cut Yellow Diamond 18K Gold Halo Mens Ring – Assay Jewelers
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4.6 Carat Diamond Multi-Shape Link 18K Gold Unisex Bracelet – Assay Jewelers
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1.5 Carat Trillion Blue Sapphire & Diamond in 18K Gold Midi Ring – Assay Jewelers
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12.75 Carat Oval Spessartine Garnet & Diamond 18K Gold Wide Oval Link Bracelet – Assay Jewelers
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Lapis Lazuli Flush Set 18K Gold Bangle Bracelet – Assay Jewelers
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Lapis Lazuli Flush Set 18K Gold Bangle Bracelet
¥1,419,800 JPY ¥1,774,700 JPY
5.5 Carat Oval Kunzite & Diamond Channel 18K Gold Multi-Row Cocktail Ring – Assay Jewelers
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Van Cleef & Arpels 18K Gold Leaf Diamond Vintage Retro Choker Necklace – Assay Jewelers
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GRS Certified 7.15 Carat Vivid Blue Sapphire & Diamond 18K Ring – Assay Jewelers
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155.48 Carat No-Heat Purple Star Ruby 18K Gold Bezel Pendant Necklace – Assay Jewelers
Retro 3 Carat Diamond Italian 18K Gold Vintage Cuff Bangle – Assay Jewelers
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8.17 Carat Round Cut Peridot & Diamond 18K Gold Statement Ring – Assay Jewelers
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White Agate & 18K Yellow Gold Earring & Link Necklace Jewelry Set – Assay Jewelers
28.56 Carat Oval Cut Emerald & Diamond Halo 18K Gold Pendant Necklace – Assay Jewelers
15.15 Carat Blue Star Sapphire 18K & 22K Bar Link Chain Retro Pendant Necklace – Assay Jewelers
1.26 Carat Aquamarine & Diamond in 18K White Gold Floral Statement Ring – Assay Jewelers
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Tiffany & Co. 18K Gold Ribbed Band Ring Circa 2002 – Assay Jewelers
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Vintage Tiffany & Co. Ribbed 18K Gold Ring & Earring Jewelry Set – Assay Jewelers
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Tiffany & Co. 18K Gold Ribbed Huggie Latch Back Vintage Earrings – Assay Jewelers
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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