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Cushion|Natural|GIA

1.31ct F IF Cushion Natural Diamond

EX • F/IF • GIA 5181690293

Certificate GIA 5181690293

Diamond specifications and retailer prices

From $15,381 AUD
As of November 7, 2026
Save $6,441 AUD (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $21,822 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5181690293. Listed at 6 retailers as of November 7, 2026, with prices from $15,381 to $21,822, a $6,441 spread on the same certified stone. MOH London lists it at $21,822. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5181690293
Dimensions6.47 × 5.88 × 4.05 mm
L/W Ratio1.10
Top View
6.47 mm5.88 mm1.31 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5181690293
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $21,822 AUD|Low: $15,381 AUD|High: $22,204 AUD|Avg: $18,457 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
November 7, 2026
Retailer 2$15,381 AUD
Retailer 3$17,600 AUD
MOH London$21,822 AUD

44 data points across 3 retailers

6 retailers$15,381 AUD to $21,822 AUD

B+
Cheapest Retailer
-
$15,381 AUD
B+
Retailer 2
-
$16,650 AUD
View
B+
Retailer 3
-
$16,650 AUD
View
B
Retailer 4
-
$17,203 AUD
View
B+
Retailer 5
-
$17,600 AUD
View
Most Expensive
B
MOH London
780B1F884 · Nov 7
$21,822 AUD
£11,806 GBP
View
5 more retailers have this diamond
Prices start from $15,381 AUDSave up to $6,441 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.31ct Cushion
$15,381 AUD