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Cushion|Natural|GIA

1.05ct K IF Cushion Natural Diamond

EX • K/IF • GIA 1539156388

Certificate GIA 1539156388

Diamond specifications and retailer prices

From $2,300 AUD
As of November 6, 2026
Save $1,342 AUD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,641 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) 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 1539156388. Listed at 6 retailers as of November 4, 2026, with prices from $2,300 to $3,641, a $1,342 spread on the same certified stone. MOH London lists it at $3,641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
K
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539156388
Dimensions5.67 × 5.64 × 3.83 mm
L/W Ratio1.01
Top View
5.67 mm5.64 mm1.05 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539156388
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.0%

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: $3,641 AUD|Low: $2,263 AUD|High: $3,878 AUD|Avg: $2,731 AUD|-5.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$2,300 AUD
Retailer 6$2,391 AUD
Retailer 5$2,474 AUD
Retailer 4$2,543 AUD
Retailer 2$2,886 AUD
MOH London$3,641 AUD

36 data points across 6 retailers

6 retailers$2,300 AUD to $3,641 AUD

A
Cheapest Retailer
-
$2,300 AUD
A
Retailer 2
-
$2,391 AUD
View
A
Retailer 3
-
$2,474 AUD
View
A
Retailer 4
-
$2,543 AUD
View
B+
Retailer 5
-
$2,886 AUD
View
Most Expensive
B+
MOH London
936224042 · Nov 4
$3,641 AUD
£1,970 GBP
View
5 more retailers have this diamond
Prices start from $2,300 AUDSave up to $1,342 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
1.05ct Cushion
$2,300 AUD