Five carats and above

Large Antique Diamonds

Important antique and period-cut diamonds of five carats and above, where spread, condition, documentation and transaction planning require particular care.

Specialist selection

How this collection is considered

Carat weight is only the beginning. We consider millimetre dimensions, outline, weight distribution, condition, report details and the practical route to inspection.

12 current public stones

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5.03 Ct. F VS1 Old Mine Cushion

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5.03 Ct. F VS1 Old Mine Cushion

F · VS1 · Old Mine Cushion

IC-06215 GIA grading Available by private request

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9.89 Ct. D IF Old Mine Leaf Shape Type IIa

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9.89 Ct. D IF Old Mine Leaf Shape Type IIa

D · IF · Old Mine Leaf Shape

IC-06025 GIA grading Available by private request

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9.04 Ct. F IF Old Mine Cushion

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9.04 Ct. F IF Old Mine Cushion

F · IF · Old Mine Cushion

IC-05729 GIA grading Available by private request

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5.16 Ct. G SI2 Old Mine Cushion

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5.16 Ct. G SI2 Old Mine Cushion

G · SI2 · Old Mine Cushion

IC-04768 GIA grading Available by private request

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6.71 Ct. G VS1 Old Cut Cushion

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6.71 Ct. G VS1 Old Cut Cushion

G · VS1 · Old Cut Cushion

IC-04189 GIA grading Available by private request

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6.01 Ct. D VS2 Old Cut Cushion

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6.01 Ct. D VS2 Old Cut Cushion

D · VS2 · Old Cut Cushion

IC-03644 GIA grading Available by private request

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5.02 Ct. H VS2 Old Mine Cushion

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5.02 Ct. H VS2 Old Mine Cushion

H · VS2 · Old Mine Cushion

IC-03575 GIA grading Available by private request

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5.01 Ct. H VS1 Old Mine Cushion

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5.01 Ct. H VS1 Old Mine Cushion

H · VS1 · Old Mine Cushion

IC-03524 GIA grading Available by private request

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8.01 Ct. H VVS2 Old Mine Cushion

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8.01 Ct. H VVS2 Old Mine Cushion

H · VVS2 · Old Mine Cushion

IC-03521 GIA grading Available by private request

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10.05 Ct. D IF Old Mine Cushion Type IIa

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10.05 Ct. D IF Old Mine Cushion Type IIa

D · IF · Old Mine Cushion

IC-02887 GIA grading Available by private request

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16.06 Ct. I SI1 Cushion Brilliant

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16.06 Ct. I SI1 Cushion Brilliant

I · SI1 · Cushion Brilliant

IC-02380 GIA grading Available by private request

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7.51 Ct. D IF Cushion Brilliant Type IIa

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7.51 Ct. D IF Cushion Brilliant Type IIa

D · IF · Cushion Brilliant

IC-01706 GIA grading Available by private request

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Confidential request

Ask about current stones and arrange a private presentation.

Tell us the stone or specification you are considering. Reports, current media, transaction terms and inspection options are discussed privately.

Submit a sourcing brief Speak with a specialist

Private updates

New diamonds, recent creations and invitations to view them.