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Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 2231852617

Certificate GIA 2231852617

Diamond specifications and retailer prices

From $4,769 NZD
HK$21,000 HKD
As of November 1, 2026
Save $6,047 NZD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,816 NZD at MOH London · As of November 1, 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 2231852617. Listed at 8 retailers as of November 1, 2026, with prices from $4,769 to $10,816, a $6,047 spread on the same certified stone. MOH London lists it at $10,816. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.29°
OriginNatural
Grading LabGIA
CertificateGIA 2231852617
Dimensions7.72 × 5.91 × 4.12 mm
L/W Ratio1.31
Key to symbols
Crystal, Feather
Top View
7.72 mm5.91 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231852617
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 37.29°Culet: NoneDepth 69.8%

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 1
Current: $10,816 NZD|Low: $4,769 NZD|High: $12,173 NZD|Avg: $7,196 NZD|-11.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$4,769 NZD
Retailer 5$5,848 NZD
Retailer 8$5,855 NZD
Retailer 2$6,265 NZD
Retailer 7$6,764 NZD
Retailer 6$6,955 NZD
Retailer 3$7,804 NZD
MOH London$10,816 NZD

43 data points across 8 retailers

8 retailers$4,769 NZD to $10,816 NZD

A
Cheapest Retailer
-
$4,769 NZD
HK$21,000 HKD
A
Retailer 2
-
$5,848 NZD
$3,296 USD
View
A
Retailer 3
-
$6,265 NZD
£2,780 GBP
View
A
Retailer 4
-
$6,764 NZD
SGD 5,152 SGD
View
A
Retailer 5
-
$6,955 NZD
$3,920 USD
View
A
Retailer 6
-
$7,263 NZD
A$6,298 AUD
View
A
Retailer 7
-
$7,804 NZD
€4,189 EUR
View
Most Expensive
B+
MOH London
DE74A4A62 · Nov 1
$10,816 NZD
£4,800 GBP
View
7 more retailers have this diamond
Prices start from $4,769 NZDSave up to $6,047 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
$4,769 NZD