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AssayJewelers

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Designer & High-End Jewelry

High Jewelry

Shop The Finest Gems In The World

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Earrings

Bracelets

Necklaces

Rings

High End Jewelry

Brand Watches

Save up to 20%

Natural Diamond Butterfly Ring 14K Gold Two-Piece Stack Ring ¥147,400 JPY ~~¥184,300 JPY~~

2.5mm Diamond in 14K Gold Flat Back Single Stud Earring From ¥23,800 JPY

Save up to 50%

Mixed Cut Emerald Stud Earrings in Solid Gold From ¥82,500 JPY

Save 29%

Natural 3mm Dark Blue Sapphire Stud Earrings ¥6,000 JPY ~~¥8,500 JPY~~

3mm-4mm Colombian Emerald Square-Cut Stud Earrings in 18k Gold From ¥135,500 JPY

Save up to 9%

Natural Diamond 14K Huggie Hoop Earrings Multi Ear Placement ¥99,500 JPY ~~¥110,500 JPY~~

Save up to 20%

3mm Classic 14K Gold Ball Stud Earrings with Screw Backs From ¥19,500 JPY

1/3 Carat Natural Diamond Mini 3-Stone Curved Ring in 14K White Gold ¥155,500 JPY

Vintage Audemars Piguet Cobra 18K Gold Diamond Dial Integral Bracelet Watch ¥4,217,500 JPY

Chopard Happy Diamond Sport 32mm Ref. 4144 18K Gold Quartz Watch ¥1,998,700 JPY

Audemars Piguet 28mm 18K Gold Brown Fumé Sunburst Mesh Bracelet Watch ¥4,200,600 JPY

Van Cleef & Arpels La Collection 31mm 18K Gold Honeycomb Bracelet Quartz Watch ¥4,386,900 JPY

Audemars Piguet Lapis Lazuli 23mm Diamond Bezel 18K Gold Manual Ladies Watch ¥5,640,200 JPY

Bvlgari Diagono 0040 Professional 40mm Two-Tone Steel Gold Black Dial Watch ¥1,304,200 JPY

Cartier Panthere Full Factory Diamond 27mm 18K Gold Watch Ref 008133 ¥7,605,000 JPY

Rolex OP Date 15210 Steel Blue Dial Engine Turned Bezel Watch ¥1,321,200 JPY

Cartier Mini Tonneau Lanieres 2592 18K Rose Gold Burgundy Strap Quartz Watch ¥1,338,100 JPY

Chopard Happy Sport 4116 18K Gold Five Diamond Quartz On Blue Leather Watch ¥1,744,600 JPY

Rolex OP Date 1501 34mm 18K Gold Black Gloss Dial Watch ¥4,386,900 JPY

Rolex for Tiffany and Co Oyster Perpetual Date 15210 Dark Blue Dial Watch ¥1,659,900 JPY

As Seen On:FREE shipping will be applied at checkout

The Knot

Wedding Wire

Chrono24

1st Dibs

Ruby Lane

Chairish

Etsy

Amazon

NEW

For HER

See our latest Women's Pieces

Introducing

For HIM

See our latest Men's Pieces

5.41 Carat Vivid Green Colombian Muzo Emerald & Old Euro Diamond 3 Stone Ring ¥40,650,100 JPY

GRS Cert. 4.37 Carat Vivid Green Muzo Colombian Emerald Diamond 3 Stone Ring ¥28,793,900 JPY

GRS Certified 48 Carat Star Ruby Cabochon & Diamond in 18K Rose Gold Halo Ring ¥6,605,700 JPY

10 Carat Vintage Natural Jadeite Jade in Carved 18K Gold Oval Ring ¥802,900 JPY

GIA Certified 1.22 Carat Fancy Intense Orange-Yellow Diamond Floral Halo Ring ¥3,319,800 JPY

Vintage 22 Carat Multi-Color Rose Cut & Round Diamond Cluster 18K Gold Dome Ring ¥6,436,300 JPY

Multicolor Sapphire Pear Marquise Mix & Diamond Cluster 18K White Gold Dome Ring ¥1,471,900 JPY

GIA Certified 1.07 Carat Fancy Light Purplish Pink Diamond Halo Cocktail Ring ¥24,639,100 JPY

Shop the Look

Our most popular looks of the season

Save up to 19%

4 Carat Ruby Butterfly and Diamond Charm Tennis Bracelet ¥387,900 JPY ~~¥484,800 JPY~~

Save up to 19%

4 Carat Sapphire Butterfly and Diamond 14K White Gold Tennis Bracelet ¥387,900 JPY ~~¥484,800 JPY~~

Save up to 19%

3.5 Carat Emerald Butterfly and Diamond Charm Tennis Bracelet ¥426,900 JPY ~~¥533,600 JPY~~

5.41 Carat Vivid Green Colombian Muzo Emerald & Old Euro Diamond 3 Stone Ring ¥40,650,100 JPY

GRS Cert. 4.37 Carat Vivid Green Muzo Colombian Emerald Diamond 3 Stone Ring ¥28,793,900 JPY

GRS Certified 48 Carat Star Ruby Cabochon & Diamond in 18K Rose Gold Halo Ring ¥6,605,700 JPY

Carved Jade & Diamond in 18K Yellow Gold Two Tone White Gold Halo Wide Band Ring ¥1,133,200 JPY

10 Carat Vintage Natural Jadeite Jade in Carved 18K Gold Oval Ring ¥802,900 JPY

Natural 47.01 Carat Blue Lapis Lazuli in 18K Rose & White Gold Oval Bezel Ring ¥1,575,200 JPY

GIA Certified 1.22 Carat Fancy Intense Orange-Yellow Diamond Floral Halo Ring ¥3,319,800 JPY

Vintage Audemars Piguet Cobra 18K Gold Diamond Dial Integral Bracelet Watch ¥4,217,500 JPY

Vintage 22 Carat Multi-Color Rose Cut & Round Diamond Cluster 18K Gold Dome Ring ¥6,436,300 JPY

Multicolor Sapphire Pear Marquise Mix & Diamond Cluster 18K White Gold Dome Ring ¥1,471,900 JPY

Quality and Service

Brand Jewelry

Authentic signed adornments, featuring: Rolex, Cartier, Patek Phillipe, Audemars Piguet, Piaget, Tiffany & Co., Vacheron Constantin, Corum, and more.

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