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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 2556699041

Certificate GIA 2556699041

Diamond specifications and retailer prices

From $3,557 AUD
As of November 6, 2026
Save $4,313 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,870 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556699041. Listed at 14 retailers as of November 4, 2026, with prices from $3,557 to $7,870, a $4,313 spread on the same certified stone. MOH London lists it at $7,870. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556699041
Dimensions7.68 × 5.92 × 4.13 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Natural
Top View
7.68 mm5.92 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556699041
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,870 AUD|Low: $3,521 AUD|High: $8,027 AUD|Avg: $4,959 AUD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$3,557 AUD
Retailer 2$3,762 AUD
Retailer 8$4,173 AUD
Retailer 11$4,328 AUD
Retailer 4$4,702 AUD
Retailer 7$4,854 AUD
Retailer 3$4,927 AUD
Retailer 6$4,945 AUD
Retailer 10$5,081 AUD
Retailer 5$5,493 AUD
MOH London$7,870 AUD

28 data points across 11 retailers

14 retailers$3,557 AUD to $7,870 AUD

A
Cheapest Retailer
-
$3,557 AUD
A
Retailer 2
-
$3,762 AUD
View
A
Retailer 3
-
$4,173 AUD
View
A
Retailer 4
-
$4,328 AUD
View
B+
Retailer 5
-
$4,392 AUD
View
B+
Retailer 6
-
$4,699 AUD
View
A
Retailer 7
-
$4,702 AUD
View
Retailer 8
-
$4,749 AUD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$4,854 AUD
View
B+
Retailer 10
-
$4,927 AUD
View
B+
Retailer 11
-
$4,945 AUD
View
B+
Retailer 12
-
$5,081 AUD
View
B+
Retailer 13
-
$5,493 AUD
View
Most Expensive
B
MOH London
33BB0FB4E · Nov 4
$7,870 AUD
£4,258 GBP
View
13 more retailers have this diamond
Prices start from $3,557 AUDSave up to $4,313 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.

A
1.50ct Cushion
$3,557 AUD