Antique Platinum Cabochon Sapphire and Diamond Ring Size 5 #19850

Vintage Platinum Ruby and Diamond Expandable Ring Size 7.75 JAGi Certified- This stunning ring features 13 round brilliant cut diamonds and six natura...

Platinum Sapphire and Diamond Ring Size 5.75 JAGi Certified- This stunning ring features one oval natural blue sapphire (7.3 mm x 5.4 mm) surrounded by 12 round brilliant cut diamon...

Platinum Filigree Diamond and Sapphire Ring Size 7.5 This sparkling ring features 3 old mine cut diamonds (center), 12 round single and brilliant cut diamonds and 10 round sapphires...

Vintage 18K Yellow Gold Pink sapphire and Diamond Ring Size 6 JAGi Certified #15460- This elegant band features ten emerald cut pink sapphires and ten round brilliant cut diamonds set in classic 18K yellow gold. Width: 4 mm. Shank: 2 mm. Total sapphire weight: .40 ct. Total diamond weight: .14 ct...

Burma (Myanmar) is renowned for producing some of the world's most exceptional sapphires. A GIA-certified cabochon sapphire originating from Burma is a gem of unmatched rarity and allure. The scarcity of these sapphires, particularly those that exhibit no indications of heating, places them in a class of their own in the gemstone market, making them highly sought after by connoisseurs and collectors alike. 1. Geographic Origin and Quality: The geographic origin of Burma (Myanmar) is synonymous with sapphires of the highest caliber. Burmese sapphires are celebrated for their vivid blue hue, exceptional clarity, and velvety texture, often described as possessing a "cornflower blue" color. This distinctive quality is attributed to the unique geological conditions found in Burma, which result in sapphires with a deep, rich color and excellent transparency. Sapphires from this region are rarer than their counterparts from other locations, such as Sri Lanka or Madagascar, making them highly coveted in the gemstone market. 2. Cabochon Cut and Unique Appeal: The cabochon cut, where the sapphire is polished into a smooth, rounded shape rather than faceted, highlights the gem’s natural color and translucency. This style of cutting is typically reserved for sapphires of exceptional color quality, where the stone's inherent beauty can be showcased without the need for facets to enhance its appearance. A cabochon-cut sapphire from Burma, weighing 4.75 carats, is particularly rare, as larger, high-quality stones from this origin are seldom found in such a pristine state. 3. No Indications of Heating – A Natural Treasure: The absence of any indications of heating further enhances the rarity and value of this sapphire. Heat treatment is a common practice used to enhance the color and clarity of sapphires. However, a natural, untreated sapphire that exhibits the deep blue color characteristic of Burmese origin is exceedingly rare. Untreated sapphires are considered highly desirable in the auction world, often commanding premium prices due to their untouched, natural state. Halo of round brilliant and tapered baguette diamonds totaling 0.75 carats. 4. Investment Value and Auction Market Demand: GIA-certified Burma cabochon sapphire...

A stunning, fine and impressive antique 6.80 carat natural blue Burmese sapphire and 0.32 carat diamond, platinum dress ring; part of our antique jewelry and estate jewelry collections. This stunning, fine and impressive cabochon cut sapphire and diamond ring has been crafted in platinum. The pierced decorated mount displays a 6.80 Ct cabochon cut natural blue Burmese sapphire four claw set to the center of the design. The pierced decorated, elevated ring shoulders are accented with feature trefoil leaf motifs, each ornamented with three bezel set marquise cut diamonds. This antique Burmese sapphire ring...

One 18k two tone gold and platinum cabochon sapphire and diamond ring. Nestled in a bed of 0.40tcw round brilliant diamonds with H/I color and SI clarity, a royal blue oval cabochon ...

Diamond Sapphire Ring Teardrop Cabochon Vintage Platinum Cocktail This stunning vintage ring is finely crafted in solid luxurious Platinum and set with genuine Earth mined Sapphire cabochon and diamonds. The center pear cut Sapphire measures 18mm x 12mm (16.33 carats). It has a violet undertone, natural inside characteristics. The center gem is complimented with 22 round brilliant cut diamonds plus six more...