Abel Bros & Co. Retro 1.03 CTW Transitional Cut Diamond 18 Karat White Gold Square Form Notched Vintage Engagement Ring sugarloaf cabochon Standing on an ultramarine blue

Standing on an ultramarine blue enamel bar

Designed as a freshwater mussel

40 carat with F to H color and VS clarity

Circular stickpin depicts two highly rendered plow oxen

Abel Bros & Co. Retro 1.03 CTW Transitional Cut Diamond 18 Karat White Gold Square Form Notched Vintage Engagement Ring sugarloaf cabochon Standing on an ultramarine blueCentering a transitional cut diamond weighing approximately 0. 79 carat G color with VS1 clarity Set with tri split prongs in a square form head and flanked by cathedral shoulders Channel set with single cut diamonds weighing approximately 0. 24 carat total G H color with VS clarity flanked by grooved notch motif With high polish knife edge shank Stamped for 18 karat gold With maker's mark for Abel Bros. & Co. Circa: 1940's Ring size: 6 1 2 and