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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2231946449

Certificate GIA 2231946449

Diamond specifications and retailer prices

From $3,571 USD
As of November 6, 2026
Save $4,167 USD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,738 USD 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231946449. Listed at 9 retailers as of November 4, 2026, with prices from $3,571 to $7,738, a $4,167 spread on the same certified stone. MOH London lists it at $7,738. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.21°
OriginNatural
Grading LabGIA
CertificateGIA 2231946449
Dimensions7.57 × 5.91 × 4.14 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.57 mm5.91 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231946449
Side View
Table 65.0%CrownGirdle: MED-VTKPavilion 36.21°Culet: NoneDepth 69.9%

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: $7,738 USD|Low: $3,571 USD|High: $8,956 USD|Avg: $5,394 USD|-13.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$3,571 USD
Retailer 6$4,293 USD
Retailer 4$4,480 USD
Retailer 2$4,500 USD
Retailer 8$5,135 USD
Retailer 7$5,171 USD
Retailer 3$5,496 USD
MOH London$7,738 USD

43 data points across 8 retailers

9 retailers$3,571 USD to $7,738 USD

A
Cheapest Retailer
-
$3,571 USD
A
Retailer 2
-
$4,293 USD
View
A
Retailer 3
-
$4,480 USD
View
A
Retailer 4
-
$4,500 USD
View
A
Retailer 5
-
$5,135 USD
View
Final sale: no returns
A
Retailer 6
-
$5,171 USD
View
B+
Retailer 7
-
$5,374 USD
View
A
Retailer 8
-
$5,496 USD
View
Most Expensive
B+
MOH London
F025DB16D · Nov 4
$7,738 USD
£6,093 GBP
View
8 more retailers have this diamond
Prices start from $3,571 USDSave up to $4,167 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
$3,571 USD