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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5232980438

Certificate GIA 5232980438

Diamond specifications and retailer prices

From $4,825 NZD
As of November 6, 2026
Save $6,114 NZD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,939 NZD at MOH London · As of November 2, 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 I 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 5232980438. Listed at 9 retailers as of November 2, 2026, with prices from $4,825 to $10,939, a $6,114 spread on the same certified stone. MOH London lists it at $10,939. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.74°
OriginNatural
Grading LabGIA
CertificateGIA 5232980438
Dimensions7.72 × 6.02 × 4.18 mm
L/W Ratio1.28
Key to symbols
Feather, Crystal, Needle
Top View
7.72 mm6.02 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232980438
Side View
Table 68.0%CrownGirdle: STK-VTKPavilion 37.74°Culet: NoneDepth 69.5%

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: $10,939 NZD|Low: $4,825 NZD|High: $12,085 NZD|Avg: $7,225 NZD|-9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$4,825 NZD
Retailer 6$5,915 NZD
Retailer 2$6,249 NZD
Retailer 8$6,591 NZD
Retailer 4$6,619 NZD
Retailer 7$7,037 NZD
Retailer 3$7,659 NZD
MOH London$10,939 NZD

43 data points across 8 retailers

9 retailers$4,825 NZD to $10,939 NZD

A
Cheapest Retailer
-
$4,825 NZD
A
Retailer 2
-
$5,915 NZD
View
A
Retailer 3
-
$6,249 NZD
View
A
Retailer 4
-
$6,591 NZD
View
Final sale: no returns
A
Retailer 5
-
$6,619 NZD
View
A
Retailer 6
-
$7,037 NZD
View
A
Retailer 7
-
$7,208 NZD
View
A
Retailer 8
-
$7,659 NZD
View
Most Expensive
B
MOH London
7D35C0DB1 · Nov 2
$10,939 NZD
£4,775 GBP
View
8 more retailers have this diamond
Prices start from $4,825 NZDSave up to $6,114 NZD

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
$4,825 NZD