高品質サファイア
101 products
Certified
GRS Certified 2.33ct Pink Sapphire Diamond Ring 18KWhite Gold
¥1,633,500 JPY
¥2,041,900 JPY
Save 19%
GIA Certified 6.03 Carat Oval Ceylon Sri Lanka Sapphire & Diamond Platinum Ring
¥4,320,000 JPY
¥5,399,900 JPY
Save 19%
GIA Certified 4.15 Carat Oval Thai Sapphire & Diamond in Platinum Vintage Ring
¥2,295,000 JPY
¥2,868,700 JPY
Save 19%
Wendy Yue Opal & Sapphire Dragonfly 18K White Gold Dome Ring
¥2,997,000 JPY
¥3,746,200 JPY
4.02 Carat No Heat Ceylon Sapphire In Platinum Art Deco Ring
¥8,015,500 JPY
Save 19%
15.63 Carat Multi Color Sapphire & Diamond Bracelet in 18K White Gold Station
¥2,025,000 JPY
¥2,531,200 JPY
Save 16%
AGL Cert. 5 Carat Ceylon Blue Sapphire Art Deco Era Platinum Diamond Ring
¥5,615,900 JPY
¥6,749,900 JPY
Save 19%
GIA Certified High Jewelry Sapphire and Diamond Eye Motif Pendant-Brooch
¥7,089,100 JPY
¥8,860,900 JPY
Save 20%
GIA Certified 2.42 Carat Purplish Pink Sapphire & Diamond Three Stone Ring
¥1,528,900 JPY
¥1,911,900 JPY
GIA Certified 5.35 Carat Cushion Cut Burma Sapphire Vintage Ring
¥25,227,700 JPY
Save 20%
AGL Certified No Heat Ceylon Pink Sapphire and Diamond Platinum Floral Brooch
¥8,867,700 JPY
¥11,085,000 JPY
45 Carat Star Sapphire Ceylon No Heat Blue Art Deco Pendant
¥25,835,200 JPY
Save 20%
GRS Certified 7.15 Carat Vivid Blue Sapphire & Diamond 18K Ring
¥10,381,300 JPY
¥12,976,700 JPY
Save 12%
GIA Cert. 14.56 Carat Purple Star Sapphire No Heat Sri Lanka Sunburst Ring
¥8,567,300 JPY
¥9,780,600 JPY
Save 12%
10.36 Carat No Heat Sri Lanka Oval Blue Sapphire and Diamond Ring
¥17,409,600 JPY
¥19,890,700 JPY
20 Carat Royal Blue No Heat Burma Sapphire & Diamond Ring
¥65,995,200 JPY
Certified
AGL Certified 3.5 Carat No Heat Blue Sapphire Platinum Mens Ring
¥1,864,700 JPY
¥2,330,400 JPY
25ct Pink Sapphire & Diamond 18K Rose Gold Multi-Row Bangle
¥8,386,800 JPY
Certified
GIA Certified 1.63ct Padparadscha Sapphire & Diamond Ring
¥1,598,100 JPY
¥1,998,000 JPY
Sapphire and Diamond 18K Gold Leopard Motif Choker Necklace
¥5,197,400 JPY
Save 12%
6.28ct Royal Ceylon Blue Sapphire Diamond Halo Stud Earrings
¥5,231,200 JPY
¥5,973,700 JPY
Save 12%
5.83ct Oval No-Heat Blue Sapphire Diamond Halo Platinum Necklace
¥10,460,700 JPY
¥11,960,800 JPY
Save 12%
4.22ct Vivid Blue Oval Cut Sapphire & Diamond 3 Stone Ring
¥4,362,100 JPY
¥4,981,400 JPY
Certified
Antique GIA Certified 6ct Cabochon Sapphire & Diamond Brooch
¥3,837,300 JPY
¥4,795,800 JPY
Certified
4.73ct GRS Certified Oval Blue Sapphire with Double Diamond Halo Ring
¥3,351,400 JPY
¥4,188,300 JPY
Certified
Save 12%
4.71ct Oval Cut No Heat Sri Lanka Blue Sapphire Ring
¥8,634,800 JPY
¥9,862,600 JPY
Certified
AGL Certified 10.10 Ct No Heat Ceylon Cornflower Blue Sapphire Diamond Ring
¥16,645,200 JPY
¥19,017,500 JPY
Save 20%
AGL Certified 4.49ct Burma Blue Sapphire Diamond 3-Stone Ring
¥7,381,000 JPY
¥9,227,100 JPY
Certified
GIA Certified 26 Carat Sapphire Cabochon & Diamond Art Deco Dome 18K Ring
¥10,718,800 JPY
¥13,398,500 JPY
Certified
AGL Certified 10.26 Carat Cushion Cut Pink Sapphire, Ruby, & Diamond Necklace
¥10,271,700 JPY
¥12,840,000 JPY
Certified
GRS Certified 5.79 Carat Oval Royal Blue Sapphire and Diamond Halo Ring
¥10,870,700 JPY
¥13,587,500 JPY
Save 12%
Antique Art Deco Platinum Filigree Blue Sapphire & Diamond Bracelet
¥11,258,800 JPY
¥12,863,600 JPY
Save 12%
AGL Cert. Antique 20 Carat No Heat Ceylon Yellow Sapphire Art Deco Filigree Pendant
¥9,330,000 JPY
¥10,659,900 JPY
Certified
Certified
AGL Certified 4.07 Carat No Heat Burma Sapphire & Half Moon Diamond Ring
¥7,853,500 JPY
¥9,817,700 JPY
Save 12%
5.10 Carat No Heat Ceylon Pink Sapphire East West Floating Necklace
¥7,193,700 JPY
¥8,217,800 JPY
You May Also Like
Sold Out
Rolex Precision 22mm Diamond Bezel 18K Gold Watch
¥1,680,800 JPY
Piaget Dancer Opal Dial 18K Gold 90563 Quartz 23.5mm Watch
¥2,531,200 JPY
Sold Out
Sold Out
Sold Out
Sold Out
Frequently Asked Questions
-
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.
-
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.
-
Yes, Assay offers private viewings by appointment. You can contact them to schedule a personal consultation and see your desired piece up close.
-
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.

















