Containing one emerald cut diamond weighing 4.45 carats and two trapezoid cut diamonds. Mounted in platinum. Ring size 5 1/4. 
Stamp: PT 950 13827.
Gross weight: 3.90 dwt. 

GIA, 2023, Report No. 11891994, 4.45 carats, D color, VVS1 clarity, No fluorescence

Accompanied by a GIA plot chart stating that the clarity is VVS1, Potential.

Accompanied by a letter stating that the diamond is Type IIa. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. Type IIa diamonds were first identified as originating from India (particularly from the Golconda region) but have since been recovered in all major diamond-producing regions of the world. Among famous gem diamonds, the 530.20 carat Cullinan I and the 105.60 carat Koh-i-noor are examples of Type IIa.