Superior Sapphires
18K Solid White Gold Channel Set Baguette Cut Blue Sapphire Band Ring – Assay Jewelers
GRS Certified 2.33ct Pink Sapphire Diamond Ring 18KWhite Gold – Assay Jewelers
Certified
GIA Certified 6.03 Carat Oval Ceylon Sri Lanka Sapphire & Diamond Platinum Ring – Assay Jewelers
GIA Certified 4.15 Carat Oval Thai Sapphire & Diamond in Platinum Vintage Ring – Assay Jewelers
Wendy Yue Opal & Sapphire Dragonfly 18K White Gold Dome Ring – Assay Jewelers
Wendy Yue Opal & Sapphire Dragonfly 18K White Gold Dome Ring
€16.983,95 EUR
Cartier Paris Art Deco Royal Blue 2.3 Carat No Heat Sapphire and Diamond Ring – Assay Jewelers
Multicolor Sapphire Pear Marquise Mix & Diamond Cluster 18K White Gold Dome Ring – Assay Jewelers
4.02 Carat No Heat Ceylon Sapphire In Platinum Art Deco Ring – Assay Jewelers
4.02 Carat No Heat Ceylon Sapphire In Platinum Art Deco Ring
€45.423,95 EUR
15.63 Carat Multi Color Sapphire & Diamond Bracelet in 18K White Gold Station – Assay Jewelers
AGL Cert. 5 Carat Ceylon Blue Sapphire Art Deco Era Platinum Diamond Ring – Assay Jewelers
GIA Certified High Jewelry Sapphire and Diamond Eye Motif Pendant-Brooch – Assay Jewelers
GIA Certified 2.42 Carat Purplish Pink Sapphire & Diamond Three Stone Ring – Assay Jewelers
7.7 Carat No-Heat Blue Sapphire and Diamond Ring Convertible to Pendant – Assay Jewelers
AGL Certified 5.75 Carat Burma No Heat Cushion Blue Sapphire and Diamond Ring – Assay Jewelers
GIA Certified 6.82 Carat Pear Cut No Heat Blue Sapphire Drop Pendant Necklace – Assay Jewelers
GIA Certified 5.35 Carat Cushion Cut Burma Sapphire Vintage Ring – Assay Jewelers
GIA Certified 5.35 Carat Cushion Cut Burma Sapphire Vintage Ring
€142.963,95 EUR
AGL Certified No Heat Ceylon Pink Sapphire and Diamond Platinum Floral Brooch – Assay Jewelers
45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant – Assay Jewelers
45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant
€146.405,95 EUR
GRS Certified 7.15 Carat Vivid Blue Sapphire & Diamond 18K Ring – Assay Jewelers
GIA Cert. 14.56 Carat Purple Star Sapphire No Heat Sri Lanka Sunburst Ring – Assay Jewelers
15.15 Carat Blue Star Sapphire 18K & 22K Bar Link Chain Retro Pendant Necklace – Assay Jewelers
10.36 Carat No Heat Sri Lanka Oval Blue Sapphire and Diamond Ring – Assay Jewelers
54.31 Carat No Heat Burma Star Blue Sapphire and Diamond Ring AGL Certified – Assay Jewelers
7.77 Carat Royal Blue Sapphire Ceylon No Heat Cushion Cut and Diamond Ring – Assay Jewelers
10.35 Carat Purple Sapphire No Heat Ceylon and Diamond Cluster Ring – Assay Jewelers
47.10 Carat No-Heat Yellow Sapphire & Old Euro Diamond Vintage Ring – Assay Jewelers
20 Carat Royal Blue No Heat Burma Sapphire & Diamond Ring – Assay Jewelers
20 Carat Royal Blue No Heat Burma Sapphire & Diamond Ring
€373.989,95 EUR
AGL Certified 3.5 Carat No Heat Blue Sapphire Platinum Mens Ring – Assay Jewelers
Certified
25ct Pink Sapphire & Diamond 18K Rose Gold Multi-Row Bangle – Assay Jewelers
25ct Pink Sapphire & Diamond 18K Rose Gold Multi-Row Bangle
€47.526,95 EUR
GIA Certified 1.63ct Padparadscha Sapphire & Diamond Ring – Assay Jewelers
Certified
Sapphire and Diamond 18K Gold Leopard Motif Choker Necklace – Assay Jewelers
Sapphire and Diamond 18K Gold Leopard Motif Choker Necklace
€29.453,95 EUR
6.28ct Royal Ceylon Blue Sapphire Diamond Halo Stud Earrings – Assay Jewelers
6.28ct Royal Ceylon Blue Sapphire Diamond Halo Stud Earrings
€29.644,95 EUR
5.83ct Oval No-Heat Blue Sapphire Diamond Halo Platinum Necklace – Assay Jewelers
4.22ct Vivid Blue Oval Cut Sapphire & Diamond 3 Stone Ring – Assay Jewelers
4.22ct Vivid Blue Oval Cut Sapphire & Diamond 3 Stone Ring
€24.719,95 EUR
Antique GIA Certified 6ct Cabochon Sapphire & Diamond Brooch – Assay Jewelers
Certified
Antique GIA Certified 6ct Cabochon Sapphire & Diamond Brooch
€21.745,95 EUR
4.73ct GRS Certified Oval Blue Sapphire with Double Diamond Halo Ring – Assay Jewelers
Certified
AGL Certified 10.73 Carat Cabochon Sapphire and Diamond Ring in 18K White Gold – Assay Jewelers
Certified
4.71ct Oval Cut No Heat Sri Lanka Blue Sapphire Ring – Assay Jewelers
4.71ct Oval Cut No Heat Sri Lanka Blue Sapphire Ring
€48.932,95 EUR
AGL Certified 10.10 Ct No Heat Ceylon Cornflower Blue Sapphire Diamond Ring – Assay Jewelers
Certified
AGL Certified 4.49ct Burma Blue Sapphire Diamond 3-Stone Ring – Assay Jewelers
GIA Certified 26 Carat Sapphire Cabochon & Diamond Art Deco Dome 18K Ring – Assay Jewelers
Certified
AGL Certified 10.26 Carat Cushion Cut Pink Sapphire, Ruby, & Diamond Necklace – Assay Jewelers
Certified
GRS Certified 5.79 Carat Oval Royal Blue Sapphire and Diamond Halo Ring – Assay Jewelers
Certified
Antique Art Deco Platinum Filigree Blue Sapphire & Diamond Bracelet – Assay Jewelers
AGL Cert. Antique 20 Carat No Heat Ceylon Yellow Sapphire Art Deco Filigree Pendant – Assay Jewelers
AGL Certified 9.55 Carat No Heat Burma Pink Sapphire Detachable Ring To Pendant – Assay Jewelers
Certified
AGL Certified 4.07 Carat No Heat Burma Sapphire & Half Moon Diamond Ring – Assay Jewelers
Certified
5.10 Carat No Heat Ceylon Pink Sapphire East West Floating Necklace – Assay Jewelers
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Rolex Precision 22mm Diamond Bezel 18K Gold Watch – Assay Jewelers
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€9.524,95 EUR
Piaget Dancer Opal Dial 18K Gold 90563 Quartz 23.5mm Watch – Assay Jewelers
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€14.344,95 EUR
Piaget Dancer 125th Anniversary Limited Edition Diamond 18K Gold Watch – Assay Jewelers
Patek Philippe Calatrava 3468 34mm Gray Dial 18K White Gold Watch – Assay Jewelers
Rolex Cellini 4082 Gold Dial 18K Yellow Gold Bracelet Circa 1976 Vintage Watch – Assay Jewelers
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Vintage Rolex Cellini 6621 Diamond Hour Marker 18K Gold 26mm Watch – Assay Jewelers
Cartier Clé de Cartier WJCL0003 Diamond Bezel 18K Rose Gold Watch Full Set – Assay Jewelers
Rolex Day-Date 18038 Champagne Diamond Dial 18K Gold 36mm Circa 1978 Watch – Assay Jewelers
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Vacheron Constantin 25mm 18K Gold Basketweave Dial Watch 1970s Full Set – Assay Jewelers
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Frequently Asked Questions
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Assay offers rare, natural sapphires—many certified by GIA or AGL. These gems are set in luxurious materials like 18K gold and platinum, often featuring unique designs or vintage styles.
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Many sapphires in this collection are natural and untreated, including no-heat sapphires from Sri Lanka and Burma. These rare gems come with certification from trusted labs like GIA and AGL.
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Yes, Assay offers private viewings by appointment. You can contact them to schedule a personal consultation and see your desired piece up close.
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Your order is shipped via insured carriers in discreet, secure packaging with a direct signature required. Tracking information is provided, and Assay ensures the safety and authenticity of your purchase.