![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4440_f5b7ba8c-2855-49a4-93d5-da76b5f622dd.jpg?v=1679028184&width=1802)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4443_835545bc-8c9e-4382-999b-15ffdd8e4c84.jpg?v=1679028184&width=1920)
![](http://uk.wilsonsestatejewelry.com/cdn/shop/products/d303ffb8ae0f4f6c97a06569d60c8e4a.thumbnail.0000000000.jpg?v=1679516897&width=1668)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4444_0968c6a0-f7f8-4f5e-a7b9-9003ec41fe3f.jpg?v=1679516883&width=2312)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4447_27f3814d-85f2-4e37-9c22-f9867bd2e778.jpg?v=1679516883&width=1822)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4445_586dc104-ae59-43d0-b575-2028c8a348aa.jpg?v=1679516883&width=2091)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4446_71721bc9-dc4a-4dd9-aded-682c878eb87f.jpg?v=1679516883&width=1970)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4453_9dbdbdd9-dcae-4da4-9b3e-3f6131048ff7.jpg?v=1679516883&width=1262)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4451_f4ac098a-d46b-4c8d-a2d5-72f24d7115c6.jpg?v=1679516883&width=1768)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4450_4d3f191a-ca11-48d1-b71c-2963b77c2a3c.jpg?v=1679516883&width=1658)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4449_c5a266f2-3ae0-417d-a172-6852b5f45e7f.jpg?v=1679516883&width=1879)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/DSC4452_315fad26-fa99-47eb-81c8-93ca5556eebc.jpg?v=1679516883&width=1840)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/10879.jpg?v=1679516883&width=2480)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/PXL_20230322_202459973.jpg?v=1679516883&width=2357)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/PXL_20230322_202510352.jpg?v=1679516883&width=1261)
![Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA Wilson's Estate Jewelry](http://uk.wilsonsestatejewelry.com/cdn/shop/products/PXL_20230322_202514926.jpg?v=1679516883&width=1152)
Edwardian 3.47 CTW Cushion Cut No Heat Ceylon Sapphire Diamond Platinum-Topped 18 Karat Yellow Gold Antique Halo Ring GIA
- Centering a mixed cushion cut sapphire weighing 2.92 carats - transparent light blue in color
- Natural Sri Lankan in origin with no indications of heat treatment - prong set in platinum
- With a halo surround of rose cut diamonds prong set in platinum
- Weighing approximately 0.55 carat total - quality consistent with cut and age
- Flanked by gold tapered shoulders
- Stamped for 18 karat gold and platinum
- Circa: 1910
- Ring size: 6 1/4 and sizable
- Measures North to South 15.0 mm and sits 6.5 mm high
- Total weight: 4.2 grams
- GIA Gemstone Report: 5221815772
- Morning. Sky. Bliss.
Stock Number: We-10879
SOLD OUT
Choose options
Most Wanted
1950's 18 Karat Yellow Gold Vintage Sphere Modernist Tubogas Bracelet
Sale price£13,094.00
Retro Diamond 14 Karat Tri-Gold Vintage Daisy Flower Ear-Clip 1940s Earrings
Sale price£1,368.00
Art Deco Diamond Aquamarine Platinum Vintage Screwback Drop Earrings
Sale price£3,067.00
Tiffany & Co. 20.25 CTW Kunzite Diamond Platinum Station Drop Pendant Necklace
Sale price£23,619.00