![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-4.jpg?v=1680726906&width=2000)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-3.jpg?v=1680726906&width=1999)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-2.jpg?v=1680726906&width=2000)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-1.jpg?v=1680725399&width=2000)
JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring
Era: Mid-Late 20th Century
Maker: J.B. Star
Metal: 18K Yellow Gold
Cobalt Spinel: 1.48 Carats
Diamond: 1.0 Carat Total Weight
Size: 7
Weight: 6.4 grams
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![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-4.jpg?v=1680726906&width=2000)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-3.jpg?v=1680726906&width=1999)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-2.jpg?v=1680726906&width=2000)
![JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring](http://muretaandco.com/cdn/shop/products/VintageDiamondSpinelEngagementRing-1.jpg?v=1680725399&width=2000)
JB Star 18k Yellow Gold & Platinum Cobalt Spinel & Diamond Engagement Ring
Sale price$8,500.00