Superior Sapphires
101 products
Certified
GRS Certified 2.33ct Pink Sapphire Diamond Ring 18KWhite Gold
$9,680.00 USD
$12,100.00 USD
Save 20%
GIA Certified 6.03 Carat Oval Ceylon Sri Lanka Sapphire & Diamond Platinum Ring
$25,600.00 USD
$32,000.00 USD
Save 20%
GIA Certified 4.15 Carat Oval Thai Sapphire & Diamond in Platinum Vintage Ring
$13,600.00 USD
$17,000.00 USD
Save 20%
Wendy Yue Opal & Sapphire Dragonfly 18K White Gold Dome Ring
$17,760.00 USD
$22,200.00 USD
4.02 Carat No Heat Ceylon Sapphire In Platinum Art Deco Ring
$47,500.00 USD
Save 20%
15.63 Carat Multi Color Sapphire & Diamond Bracelet in 18K White Gold Station
$12,000.00 USD
$15,000.00 USD
Save 16%
AGL Cert. 5 Carat Ceylon Blue Sapphire Art Deco Era Platinum Diamond Ring
$33,280.00 USD
$40,000.00 USD
Save 19%
GIA Certified High Jewelry Sapphire and Diamond Eye Motif Pendant-Brooch
$42,010.00 USD
$52,510.00 USD
Save 20%
GIA Certified 2.42 Carat Purplish Pink Sapphire & Diamond Three Stone Ring
$9,060.00 USD
$11,330.00 USD
GIA Certified 5.35 Carat Cushion Cut Burma Sapphire Vintage Ring
$149,500.00 USD
Save 20%
AGL Certified No Heat Ceylon Pink Sapphire and Diamond Platinum Floral Brooch
$52,550.00 USD
$65,690.00 USD
45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant
$153,100.00 USD
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GRS Certified 7.15 Carat Vivid Blue Sapphire & Diamond 18K Ring
$61,520.00 USD
$76,900.00 USD
Save 12%
GIA Cert. 14.56 Carat Purple Star Sapphire No Heat Sri Lanka Sunburst Ring
$50,770.00 USD
$57,960.00 USD
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10.36 Carat No Heat Sri Lanka Oval Blue Sapphire and Diamond Ring
$103,170.00 USD
$117,873.00 USD
20 Carat Royal Blue No Heat Burma Sapphire & Diamond Ring
$391,090.00 USD
Certified
AGL Certified 3.5 Carat No Heat Blue Sapphire Platinum Mens Ring
$11,050.00 USD
$13,810.00 USD
25ct Pink Sapphire & Diamond 18K Rose Gold Multi-Row Bangle
$49,700.00 USD
Certified
GIA Certified 1.63ct Padparadscha Sapphire & Diamond Ring
$9,470.00 USD
$11,840.00 USD
Sapphire and Diamond 18K Gold Leopard Motif Choker Necklace
$30,800.00 USD
Save 12%
6.28ct Royal Ceylon Blue Sapphire Diamond Halo Stud Earrings
$31,000.00 USD
$35,400.00 USD
Save 12%
5.83ct Oval No-Heat Blue Sapphire Diamond Halo Platinum Necklace
$61,990.00 USD
$70,880.00 USD
Save 12%
4.22ct Vivid Blue Oval Cut Sapphire & Diamond 3 Stone Ring
$25,850.00 USD
$29,520.00 USD
Certified
Antique GIA Certified 6ct Cabochon Sapphire & Diamond Brooch
$22,740.00 USD
$28,420.00 USD
Certified
4.73ct GRS Certified Oval Blue Sapphire with Double Diamond Halo Ring
$19,860.00 USD
$24,820.00 USD
Certified
Save 12%
4.71ct Oval Cut No Heat Sri Lanka Blue Sapphire Ring
$51,170.00 USD
$58,446.00 USD
Certified
AGL Certified 10.10 Ct No Heat Ceylon Cornflower Blue Sapphire Diamond Ring
$98,640.00 USD
$112,698.00 USD
Save 20%
AGL Certified 4.49ct Burma Blue Sapphire Diamond 3-Stone Ring
$43,740.00 USD
$54,680.00 USD
Certified
GIA Certified 26 Carat Sapphire Cabochon & Diamond Art Deco Dome 18K Ring
$63,520.00 USD
$79,400.00 USD
Certified
AGL Certified 10.26 Carat Cushion Cut Pink Sapphire, Ruby, & Diamond Necklace
$60,870.00 USD
$76,090.00 USD
Certified
GRS Certified 5.79 Carat Oval Royal Blue Sapphire and Diamond Halo Ring
$64,420.00 USD
$80,520.00 USD
Save 12%
Antique Art Deco Platinum Filigree Blue Sapphire & Diamond Bracelet
$66,720.00 USD
$76,230.00 USD
Save 12%
AGL Cert. Antique 20 Carat No Heat Ceylon Yellow Sapphire Art Deco Filigree Pendant
$55,290.00 USD
$63,171.00 USD
Certified
Certified
AGL Certified 4.07 Carat No Heat Burma Sapphire & Half Moon Diamond Ring
$46,540.00 USD
$58,180.00 USD
Save 12%
5.10 Carat No Heat Ceylon Pink Sapphire East West Floating Necklace
$42,630.00 USD
$48,699.00 USD
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Save 12%
Rolex Cellini 3823 Gold 21mm Dial 18K Yellow Gold Circa 1969 Watch
$12,760.00 USD
$14,500.00 USD
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Chopard Classic 1094 Circa 1985 18K Yellow Gold Mesh Bracelet Watch
$17,160.00 USD
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Chaumet Khésis Factory Diamond Dial 18K Yellow Gold Bracelet Watch Circa 2000
$20,680.00 USD
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Corum Admiral's Cup Nautical Flag Dial 27mm Circa 1990 18K Yellow Gold Watch
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Cartier Calibre de Cartier W7100040 Chocolate Dial 18K Rose Gold Watch Full Set
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Rolex Cellini 6621 Jubilee Dial 18K 26mm Vintage Ladies Watch
$12,030.00 USD
$14,800.00 USD
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Chopard Happy Sport 27/6851-21/11 Diamond and Ruby 18K Rose Gold Full Set Watch
$18,740.00 USD
$23,500.00 USD
Save 16%
Cartier Panthère Ruban WG3009TA Factory Diamond 18K Gold Full Set Watch
$37,380.00 USD
$44,500.00 USD
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Rolex Precision 22mm Diamond Bezel 18K Gold Watch
$9,960.00 USD
Save 9%
Piaget Dancer Opal Dial 18K Gold 90563 Quartz 23.5mm Watch
$13,600.00 USD
$15,000.00 USD
Save 21%
Piaget Dancer 125th Anniversary Limited Edition Diamond 18K Gold Watch
$13,280.00 USD
$17,000.00 USD
Save 24%
Rolex Cellini 4082 Gold Dial 18K Yellow Gold Bracelet Circa 1976 Vintage Watch
$9,500.00 USD
$12,500.00 USD
Save 15%
Chopard Happy Diamonds 4066 18K Yellow Gold Watch Circa 1985 Full Set
$10,420.00 USD
$12,400.00 USD
Save 30%
Rolex Precision 2644 Vintage 1971 Silver Dial 18K White Gold Mesh Bracelet Watch
$4,710.00 USD
$6,800.00 USD
Save 4%
Cartier Tank Americaine 1741 White Gold Automatic Watch 20 Years Service Edition
$17,120.00 USD
$18,000.00 USD
Save 12%
Vintage Rolex Cellini 6621 Diamond Hour Marker 18K Gold 26mm Watch
$18,900.00 USD
$21,500.00 USD
Save 22%
Cartier Clé de Cartier WJCL0003 Diamond Bezel 18K Rose Gold Watch Full Set
$22,780.00 USD
$29,500.00 USD
Save 23%
Rolex Day-Date 18038 Champagne Diamond Dial 18K Gold 36mm Circa 1978 Watch
$27,380.00 USD
$35,600.00 USD
Save 15%
Rolex 24mm Oyster Perpetual 6619 18K Gold Vintage 1978 Wristwatch
$9,160.00 USD
$10,900.00 USD
Save 22%
Rolex Cellini 4082 Blue Vignette Dial 24mm Woven 18K White Gold Mesh Watch
$11,430.00 USD
$14,800.00 USD
Save 15%
Cartier Vendome 878999 18K Gold Manual Gadroon Link 26m Watch
$20,500.00 USD
$24,400.00 USD
Sold Out
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Save 27%
Vacheron Constantin 25mm 18K Gold Basketweave Dial Watch 1970s Full Set
$9,950.00 USD
$13,800.00 USD
Save 16%
Chopard Classic 10/6206 18K Gold 25mm Diamond Bezel White Dial Watch
$12,180.00 USD
$14,500.00 USD
Save 16%
Cartier Must de Colisee Vermeil 590002 Ladies 24mm Watch Box/Papers
$2,940.00 USD
$3,500.00 USD
Save 28%
Piaget Dancer 80317 18K Gold Square Champagne Dial Integrated Bracelet Watch
$17,580.00 USD
$24,500.00 USD
Save 26%
Bvlgari BB30 GD Black Dial 30mm 18K Gold Quartz Watch Box/Papers
$20,940.00 USD
$28,500.00 USD
Save 6%
Vintage Omega Geneve Ladies 18K White Gold Blue Dial Square Mesh Bracelet Watch
$5,500.00 USD
$5,900.00 USD
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Save 22%
Corum 1895 US 20 Dollar Liberty Gold Coin 18K Yellow Gold 35mm Automatic Watch
$19,000.00 USD
$24,500.00 USD
Save 16%
Omega Constellation Manhattan 18K Gold Roman Numeral Bezel Champagne Dial Watch
$14,070.00 USD
$16,750.00 USD
Save 16%
Tudor Glamour Double Date 57003 42mm Two Tone Steel Gold Champagne Dial Watch
$3,860.00 USD
$4,600.00 USD
Save 16%
Piaget 2642 18K Gold Ultra-Thin Manual 2-Tone Dial 31mm Watch
$13,440.00 USD
$16,000.00 USD
Save 20%
Patek Philippe For Gübelin 4457/1 Double Signed 18K Gold 23mm Manual Watch
$19,540.00 USD
$24,450.00 USD
Save 22%
Vintage Patek Philippe 25mm Square Ellipse 18K Gold Black Dial Watch
$14,500.00 USD
$18,750.00 USD
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.

















