Art Deco 29 Carat Burmese No-Heat Cabochon Sapphire Diamond Platinum Ring
This big, beautiful Art Deco finger-hugger features a radiant royal blue cabochon sapphire, weighing 29 carats. Measuring 5/8 inch in diameter, the rare and remarkable gemstone shows all its weight in a graceful round dome shape, presented in a hand fabricated platinum mounting between artfully stylized shoulders accented with diamond-set ribbons and scrolls of seamlessly-set baguette diamonds. Sapphire accompanied by a gemological report from Stone Group Laboratory stating: Natural, No Indications of Thermal Enhancement, Burma origin. A rare and resplendent Jazz Age jewel - circa 1930. Currently ring size 7.
Item Number 30-1-11442
Current Ring Size:
Most rings can be resized up or down one size unless noted and sometimes more.
11/16 inch
13/16 inch
3/8 inch
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Center Sapphire details
Cut/Shape: Round Cabochon Cut
Carat Weight: 29.00 carat Because mountings prohibit full and accurate observation of gem quality and weight, all data pertaining to mounted gems can be considered as approximate unless accompanied by an independent laboratory certificate (AGL, EGL, GIA). Unless otherwise stated, all colored stones and pearls are assumed to be subject to a relatively stable and possibly undetected color and/or clarity enhancement.
Measurements: 16.89 x 16.28 x 9.65 mm
Country of Origin: Myanmar (Burma)
Enhancements: None

Stone Group Laboratories

Gem Report Number: 181213C-LA

View Stone Group Laboratories Report
Additional Details Additional Gemstone Details

Each piece of jewelry at Lang is carefully cataloged by our expert GIA Graduate Gemologists to document all gemstones, hallmarks, method of manufacture and materials. A point of sale report is provided upon purchase.

6 Baguette Cut Diamonds
Carat Weight: 0.75 carat
Color: G-H
Clarity: VS
32 European Cut Diamonds
Carat Weight: 0.45 carat
Color: H-I
Clarity: VS
Total Diamond Carat Weight: 1.20
Ring Sizing

Ring Sizing

The first sizing is complimentary; most rings can be adjusted by one size unless otherwise noted.

About Art Deco Jewelry

About Art Deco Jewelry

With streamlined shapes and geometric motifs, jewelry gets graphic during the Jazz Age.

Jewelry Care

Jewelry Care

Keep your vintage and antique jewelry happy and healthy through its next lifetime.