Diamond floral brooch, natural color, GIA.Total weight:12.6dwts.-------------------------------------------------------------------------------------------------This brooch is unusual, and high grade. On the reverse is stamped K18, D750 and D780. These marks are telling the owner that there is 7.50 carats of clear(white) diamonds and 7.80 carats of colored diamonds. The Asian countries tend to use this type of marking system, mostly in Hong Kong. The clear diamonds are made up from full cut VS1-SI1 clarity H-I color .02ct to .03ct round diamonds, and the colored diamonds(beautiful yellow and golden brown marquise and pear shaped diamonds) are VS1 to SI1 clarity and range from .20ct to .35cts each. This brooch owned by a NYC family for 25 to 30 years, and was probably made in the mid 1980's. Total diamond weight is 15.30 carats.------------------------------------------------------------------------------------------------------------------------------- A GIA report that is included with this purchase shows that the diamonds in the brooch are natural color, not treated with radiation or colored by artificial means. 2.75"x 2".

Good condition overall