Curated collection

Antique Cushion Diamonds

Square, softly rounded and elongated cushion outlines selected for character, generous facets and a distinctive face-up presence.

Specialist selection

How this collection is considered

We compare the outline, corner shape, crown, culet, spread and condition before considering whether the stone belongs in this collection.

23 current public stones

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3.06 Ct. G VVS2 Old Mine Cushion Brilliant

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3.06 Ct. G VVS2 Old Mine Cushion Brilliant

G · VVS2 · Old Mine Cushion Brilliant

IC-06323 GIA grading Available by private request

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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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4.02 Ct. K SI1 Old Mine Cushion Brilliant

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4.02 Ct. K SI1 Old Mine Cushion Brilliant

K · SI1 · Old Mine Cushion Brilliant

IC-05970 GIA grading Available by private request

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3.01 Ct. G VS2 Old Mine Cushion Brilliant

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3.01 Ct. G VS2 Old Mine Cushion Brilliant

G · VS2 · Old Mine Cushion Brilliant

IC-05912 GIA grading Available by private request

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3.09 Ct. F SI2 Old Mine Cushion Brilliant

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3.09 Ct. F SI2 Old Mine Cushion Brilliant

F · SI2 · Old Mine Cushion Brilliant

IC-05881 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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2.02 Ct. D VS2 Old Mine Cushion MB

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2.02 Ct. D VS2 Old Mine Cushion MB

D · VS2 · Old Mine Cushion

IC-05788 GIA grading Available by private request

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1.52 Ct. D SI1 Old Mine Cushion

1.52 Ct. D SI1 Old Mine Cushion

D · SI1 · Old Mine Cushion

IC-05732 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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Pair 1.53 & 1.52 Ct. D VS1/SI1 Old Mine Cushions

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Pair 1.53 & 1.52 Ct. D VS1/SI1 Old Mine Cushions

D · VS1 · Old Mine Cushion

IC-04748 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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2.01 Ct. H SI1 Old Mine Cushion

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2.01 Ct. H SI1 Old Mine Cushion

H · SI1 · Old Mine Cushion

IC-03439 GIA grading Available by private request

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2.01 Ct. D VS2 Old Mine Cushion Strong

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2.01 Ct. D VS2 Old Mine Cushion Strong

D · VS2 · Old Mine Cushion

IC-03421 GIA grading Available by private request

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2.03 Ct. F VS1 Old Mine Cushion

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2.03 Ct. F VS1 Old Mine Cushion

F · VS1 · Old Mine Cushion

IC-03367 GIA grading Available by private request

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2.13 Ct. D IF Old Mine Cushion

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2.13 Ct. D IF Old Mine Cushion

D · IF · Old Mine Cushion

IC-03358 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

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New stones and private viewing notes.

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