This is an excellent vintage Mid-Century estate ring showing a beautiful platinum setting with total diamond weight of 1.80 carats. The ring shows a wonderful 1.01 carat round brilliant cut old stone at the center of the ring which shows a SI2 clarity and I color. The ring also shows 43 round brilliant and baguette cut diamonds with a total weight of 0.79 carats, VS1 to SI1 clarity and F-G coloring. The ring is from renowned designer Orianne Collins and is marked, "ORIANNE PT950". Overall, the piece shows a fine vintage estate solid platinum setting having a wonderful unique design and gorgeous center stone being over a carat. The ring comes with a COA Gemology reports from AIGL (American International Gemological Laboratories, INC. a GIA certified lab AIGL#: K55E99-EA14184) report confirming the above info and appraising the ring at $13,872.00. The ring shows a fine original condition and is marked as shown along with being a 7 US Size.