An early 20th century platinum diamond brooch. Of openwork d...

by Fellows Auctioneers




An early 20th century platinum diamond brooch. Of openwork design, the old-cut diamond collet, with similarly-cut diamond stylised foliate surround and sides. Estimated total diamond weight 1.25cts, principal diamond estimated I-J colour, P1-P2 clarity. Length 6.9cms. Weight 7.2gms.

More Information

  • Overall condition fair to good. Scratches/wear in keeping with general wear.
  • Evidence of repair to reverse, mount split in one place, may require attention.
  • One smaller diamond significantly chipped.
  • Diamonds well matched.
  • Principal diamond with large, eye visible cavity/indent to crown facet, durability might be affected.
  • Principal diamond assessed within the limitations of the setting, grades may differ once examined loose.
  • Principal diamond estimated weight 0.60ct.
  • Individual size and setting of non-principal diamonds prevents accurate colour and clarity assessment.
  • Width (at widest) 10mms.
  • Please see the Important Notices for Purchasers for coloured gemstones.

  • Fellows uses a Thermo Scientific Nitron Handheld XRF Analyser to test metals. This technology is limited to examining metal to a depth of approximately 8 microns.
  • Fellows does not guarantee the standard of gold or platinum unless an item is hallmarked. Results from electronically tested items should only be used as a guide and with caution, as false readings are possible.
  • Condition reports are offered as a guide only and we highly recommend inspecting any lot to satisfy yourself as to its condition.

  • For any further questions you may have on this lot, please do not hesitate to contact Ben Randall at

  • Closed
    Auction Date:
    24th Jan 19 at 11am GMT
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    Sale Dates:
    24th Jan 2019 11am GMT (Lots 1 to 577)