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GIA Certified 3.5 Carat Heart Blue Sri Lanka Sapphire Diamond 18K Drop Pendant – Assay Jewelers
7.18 Carat Color Change Sapphire & Diamond 18K Bypass Ring – Assay Jewelers
GIA Certified Type A Jadeite Jade & Old Cut Diamond 18K Gold Halo Starburst Ring – Assay Jewelers
1.24 Carat Fancy Yellow Diamond Platinum & 18K Gold Swirl Floral Ring – Assay Jewelers
1.4 Carat Diamond Pave Multi-Band Coil 18K Black Gold Overpass Ring – Assay Jewelers
GIA Certified 1.55 Carat G/VS1 Marquise Diamond Halo 18K Engagement Ring – Assay Jewelers
Rainbow Multi-Color Gemstone Baguette 18K Gold Band Bangle Bracelet – Assay Jewelers
5 Carat Fancy Multicolor Diamond in 18K Two Tone Gold Dual Drop Pendant Necklace – Assay Jewelers
2.70 Carat Black Opal Freeform Shape Bezel Set 18K White Gold Ring – Assay Jewelers
5 Carat Fancy Brown & Yellow Diamond Pave 18K Gold Tilted Shield Ring – Assay Jewelers
IGI Certified Fancy Deep Yellow & Greenish Yellow Diamond 18K Two Tone Gold Ring – Assay Jewelers
IGI 4.22 Carat Lab Cushion Diamond Misani 18K Gold Bark Texture Ring – Assay Jewelers
GIA Certified 0.30 Carat Fancy Deep Pink Diamond 18K White Gold Halo Ring – Assay Jewelers
1.37 Carat Emerald and Diamond 18K Gold Geometric Lattice Ring – Assay Jewelers
Cartier Love 18K White Gold Full Diamond Pavé Screw Motif Wedding Band Ring – Assay Jewelers
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3.72 Carat Blue Sapphire & Diamond Pave 18K Crossover Band Ring – Assay Jewelers
Vintage Oval Rodolite Garnet Victorian Revival in 18K Yellow Gold Solitaire Ring – Assay Jewelers
Lapis Lazuli Bead with Diamond Rondelles 18K Yellow Gold Necklace & Bracelet Set – Assay Jewelers
2 Carat Diamond Pave Geometric Bombé Dome 18k White Gold Ring – Assay Jewelers
5.80 Carat Heart & Round Diamond Pavé Open Lattice 18K White Gold Cocktail Ring – Assay Jewelers
3.25 Carat Carre Square Diamond 18K White Gold 3 Row Brick Pattern Band Ring – Assay Jewelers
GIA Certified 2.3 Carat Oval Ruby & Round Diamond Halo 18K Stud Earrings – Assay Jewelers
Lapis Lazuli with Diamond Rondelle Spacers 18K Yellow Gold Bead Necklace – Assay Jewelers
Natural Lapis Lazuli 15 Bead 52 Diamond Rondelle 18K Gold 8 Inch Bracelet – Assay Jewelers
GIA Certified Burma Ruby Diamond Halo 18K Two Tone Gold Necklace & Earring Set – Assay Jewelers
GRS Certified 48 Carat Star Ruby Cabochon & Diamond in 18K Rose Gold Halo Ring – Assay Jewelers
Carved Jade & Diamond in 18K Yellow Gold Two Tone White Gold Halo Wide Band Ring – Assay Jewelers
10 Carat Vintage Natural Jadeite Jade in Carved 18K Gold Oval Ring – Assay Jewelers
Natural 47.01 Carat Blue Lapis Lazuli in 18K Rose & White Gold Oval Bezel Ring – Assay Jewelers
Vintage 22 Carat Multi-Color Rose Cut & Round Diamond Cluster 18K Gold Dome Ring – Assay Jewelers
Multicolor Sapphire Pear Marquise Mix & Diamond Cluster 18K White Gold Dome Ring – Assay Jewelers
Chaumet Paris GIA Certified Cushion Cut Diamond 18K White Gold Tension Set Ring – Assay Jewelers
GIA Certified 1.38 Carat Fancy Orangy Brown Diamond Enamel 18K Gold Dome Ring – Assay Jewelers
11.97 Carat Sugarloaf Lavender Blue Chalcedony 18K White Gold Ring – Assay Jewelers
Greek 18K White Gold Diamond Pink Tourmaline Yellow Garnet Pearl Drop Earrings – Assay Jewelers
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Vintage Citrine Bead 18K Gold Two Strand Necklace – Assay Jewelers
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Vintage Citrine Bead 18K Gold Two Strand Necklace
HK$111,600.00 HKD HK$139,500.00 HKD
Vintage 18K Gold Tassel Necklace Quartz Black Onyx Diamond - 30 inches – Assay Jewelers
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5.75 Carat Black & White Diamond in 18K White Gold Greek Key Bracelet – Assay Jewelers
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Vintage 3.20 Carat Emerald Bombe Dome Sputnik 18K Gold Statement Ring – Assay Jewelers
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Natural Oval Cabochon Jadeite Jade Bezel Set in 18K Yellow Gold Stud Earrings – Assay Jewelers
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Garavelli 3.5 Ct Diamond Woven Square 18K Two-Tone Gold Clip-On Earrings – Assay Jewelers
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13mm Golden South Sea Pearl & Diamond 18K Gold Pendant Necklace – Assay Jewelers
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GIA Certified 13.14 Carat Fancy Intense Yellow Diamond VVS1 Halo 18K Ring – Assay Jewelers
Double Diamond Bezel Statement Ring in 18K Yellow Gold – Assay Jewelers
Natural 1 Carat Round & Baguette Cut Diamond in 18K Yellow Gold Matte Mens Ring – Assay Jewelers
Natural 1 Carat Emerald & Baguette Diamond 18K Gold East West Ring – Assay Jewelers
Emerald and Diamond 18K Gold Two Piece Halo Moving Pendant Necklace – Assay Jewelers
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32 Carat Pear Cabochon Emerald & Diamond 18K Gold Drop Emerald Necklace – 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