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Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 5242013419

Certificate GIA 5242013419

Diamond specifications and retailer prices

From $3,707 AUD
As of November 6, 2026
Save $4,668 AUD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,375 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242013419. Listed at 13 retailers as of November 4, 2026, with prices from $3,707 to $8,375, a $4,668 spread on the same certified stone. MOH London lists it at $8,375. 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

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5242013419
Dimensions7.56 × 6.03 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.56 mm6.03 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5242013419
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: $8,375 AUD|Low: $3,633 AUD|High: $8,793 AUD|Avg: $5,271 AUD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$3,707 AUD
Retailer 6$4,031 AUD
Retailer 7$4,058 AUD
Retailer 3$4,199 AUD
Retailer 9$4,401 AUD
Retailer 12$4,516 AUD
Retailer 10$4,614 AUD
Retailer 5$4,673 AUD
Retailer 4$5,219 AUD
Retailer 2$5,845 AUD
Retailer 8$7,850 AUD
MOH London$8,375 AUD

32 data points across 12 retailers

13 retailers$3,707 AUD to $8,375 AUD

A
Cheapest Retailer
-
$3,707 AUD
A
Retailer 2
-
$4,031 AUD
View
A
Retailer 3
-
$4,058 AUD
View
A
Retailer 4
-
$4,199 AUD
View
Final sale: no returns
A
Retailer 5
-
$4,401 AUD
View
A
Retailer 6
-
$4,516 AUD
View
A
Retailer 7
-
$4,614 AUD
View
A
Retailer 8
-
$4,673 AUD
View
Retailer 9
-
$5,219 AUD
View
Price last confirmed 37 days ago
B+
Retailer 10
-
$5,352 AUD
View
A
Retailer 11
-
$5,845 AUD
View
B+
Retailer 12
-
$7,850 AUD
View
Most Expensive
B+
MOH London
1DFFF99DA · Nov 4
$8,375 AUD
£4,531 GBP
View
12 more retailers have this diamond
Prices start from $3,707 AUDSave up to $4,668 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
1.51ct Cushion
$3,707 AUD