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Natural Emerald and Diamond Ribbed Shank Thin Stacking Ring in 18K Rose Gold – Assay Jewelers
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GIA Certified Hexagon Cut Pink Tourmaline with Diamond Halo Star Shape Ring in 18K White Gold – Assay Jewelers
Certified
GIA Certified Oval Cut Orange Spessartine Garnet And Diamond 18K Dome Ring – Assay Jewelers
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GIA Certified Blue-Green Rectangle Cut Tourmaline & Diamond Ring in 18K Carved Gold – Assay Jewelers
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GIA Certified Rectangular Cut Blue-Green Indicolite Tourmaline and Diamond 18K Gold Ring – Assay Jewelers
Certified
Vintage 6 Carat Oval Cut Orange Topaz and Round Cut Diamond Ring in 18K Solid Gold – Assay Jewelers
Vintage Retro Regal Style 5 Carat Red Tourmaline & Diamond Ring in 18K Gold – Assay Jewelers
5.20 Carat Cushion Checkerboard Cut Pink Tourmaline & Diamond Ring in 18K White Gold – Assay Jewelers
Vintage 4.5 Carat Oval Natural Rubellite Tourmaline & Diamond 18k Ring – Assay Jewelers
GIA 1.25CT Pear Cut Fancy Green Yellow Diamond 18K Tri-Colored Gold Bypass Ring – Assay Jewelers
GIA Certified 1.24 Carat Radiant Cut Yellow (Y-Z) Diamond Engagement Ring in 18K White Gold – Assay Jewelers
Certified
53 Carat Oval Cut Aquamarine and Diamond Multi Row Tennis Bracelet in 18K White Gold – Assay Jewelers
72 Carat Oval Ruby 5-Row Multi Link Tennis Bracelet in 18K Gold – Assay Jewelers
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25 Carat Total Round Cut Natural Diamond Bezel Set Link Bracelet in 18K White Gold – Assay Jewelers
GRS Certified 13.89 Carat Chrysoberyl Cats Eye Mens 18K Yellow Gold Ring – Assay Jewelers
Certified
18K Gold Natural Colombian Emerald and Diamond Detachable Drop Earrings – Assay Jewelers
Chopard Happy Diamond 18Kt White Gold Heart Shape Pendant Necklace with Pouch & Papers – Assay Jewelers
1 Carat Total Oval Cut 18K White Gold Solitaire 4-Prong Stud Earrings – Assay Jewelers
GIA Certified 0.51 Carat Round Cut Diamond 18K White Hidden Halo Engagement Ring – Assay Jewelers
Certified
6.26 Carat Emerald Cut Emerald with Trillion and Round Cut Diamond Side Stone Ring in 18K White, Yellow Gold – Assay Jewelers
44 Carat Heart Shaped Emerald Pendant with Round Cut Diamond Halo in 18K Gold Necklace – Assay Jewelers
Pink Sapphire and Diamond Flower Motif Open Toi Et Moi Ring in 18K White Gold – Assay Jewelers
11.9 Carat Pink and White Diamond Pendant Necklace and Ring Flower Motif Jewelry Set in 18K Rose & White Gold – Assay Jewelers
GRS Certified 3.16 Carat Vivid Green Minor Oil Colombia Emerald and Diamond 18K Ring | GRS Appendix. – Assay Jewelers
Certified
7 Carat Trilliant Cut Watermelon Green Tourmaline with Diamond Sides in 18K Gold 2 Tone Ring – Assay Jewelers
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Vintage 6 Carat TW Oval Cut Pinkish-Red Tourmaline with Neon Paraiba Tourmaline and Diamond Ring in 18K Gold – Assay Jewelers
Platinum and 18K Gold Unisex Natural Diamond Pinky Ring – Assay Jewelers
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Vivid Pink 7 Carat Radiant Cut Tourmaline Ring with Round Diamond Halo in 18K Gold – Assay Jewelers
Vintage 9.50 Carat Oval Cut Pink Kunzite with Diamond Side Stone Cocktail Ring in 18K Yellow Gold – Assay Jewelers
18K Gold Vintage Retro Regal Ring With Pink Kunzite and Diamond Halo – Assay Jewelers
Vintage 6 Carat Pinkish Red Oval Cut Tourmaline Bezel Set Unisex Ring in 18K Yellow Gold – Assay Jewelers
Vintage Retro Style 8 Carat Oval Cut Blue Zircon with Diamond Halo in Platinum & 18K Gold Filigree Set Ring – Assay Jewelers
Vintage Radiant Cut 4.50 Carat Red Rubellite Tourmaline and Diamond Ring in Platinum and 18K Gold – Assay Jewelers
12 Carat Chrysoberyl Cats Eye Mens Ring With Baguette Diamond Sides in 18K Gold – Assay Jewelers
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Vintage 1.5 Carat TW Bezel and Channel Set Natural Diamond Mens Ring in 18K Gold – Assay Jewelers
Natural 4.21 Carat Round Diamond Engagement Ring With Baguette Diamonds in Two Tone 18k Gold – Assay Jewelers
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3.50 Carat Oval Cut Rubellite Tourmaline East West Ring with Tsavorite, Diamond, Platinum & 18k Gold – Assay Jewelers
18K Solid White Gold Channel Set Baguette Cut Blue Sapphire Band Ring – Assay Jewelers
18K White Gold Channel Set Natural Baguette Cut 1-Row Ruby Band Ring – Assay Jewelers
0.44 CTTW Round Cut Diamond Engagement Ring in 18K White Gold – Assay Jewelers
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Natural 0.60 Carat Diamond Engagement Ring with 6-prong Straight Shank Diamond Sides in 18K White Gold – Assay Jewelers
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5.42 Carat Natural Emerald Pendant Necklace with Yellow Diamond Halo in 18k Gold – Assay Jewelers
GIA Certified 2.79 Carat Fancy Light Yellow Radiant Cut Diamond 18K Gold Ring – Assay Jewelers
Certified
GIA Certified Oval Cut 7 Carat Purplish Red Tourmaline Ring with Diamond Sides in 18K Gold – Assay Jewelers
Certified
30 Carat White Diamond Necklace and Earrings 18K Set Certified Round-Brilliant – Assay Jewelers
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Vintage Grade A Jadeite Jade Gump's San Francisco Bezel Set Ring in 18K Gold – Assay Jewelers
2.60 Carat Old European Cut Diamond Antique Retro Style Pendant Drop Necklace in 18K – 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