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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 $2,688 USD
HK$21,000 HKD
As of November 1, 2026
Save $3,408 USD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,096 USD 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 $2,688 to $6,096, a $3,408 spread on the same certified stone. MOH London lists it at $6,096. 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
Color
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: $6,096 USD|Low: $2,688 USD|High: $6,861 USD|Avg: $4,064 USD|-11.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$2,688 USD
Retailer 4$3,296 USD
Retailer 8$3,300 USD
Retailer 3$3,531 USD
Retailer 7$3,812 USD
Retailer 6$3,920 USD
Retailer 9$4,094 USD
Retailer 5$4,385 USD
MOH London$6,096 USD

42 data points across 9 retailers

8 retailers$2,688 USD to $6,096 USD

A
Cheapest Retailer
-
$2,688 USD
HK$21,000 HKD
A
Retailer 2
-
$3,296 USD
View
A
Retailer 3
-
$3,531 USD
£2,781 GBP
View
A
Retailer 4
-
$3,812 USD
SGD 5,152 SGD
View
A
Retailer 5
-
$3,920 USD
View
A
Retailer 6
-
$4,094 USD
A$6,298 AUD
View
A
Retailer 7
-
$4,385 USD
€4,176 EUR
View
Most Expensive
B+
MOH London
DE74A4A62 · Nov 1
$6,096 USD
£4,800 GBP
View
7 more retailers have this diamond
Prices start from $2,688 USDSave up to $3,408 USD

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
$2,688 USD