CaratHunter
Plans
Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 7408245823

Certificate GIA 7408245823

Diamond specifications and retailer prices

From $5,170 USD
As of November 2, 2026
Save $4,958 USD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,128 USD 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 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 7408245823. Listed at 17 retailers as of November 2, 2026, with prices from $5,170 to $10,128, a $4,958 spread on the same certified stone. MOH London lists it at $10,128. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7408245823
Dimensions6.79 × 6.47 × 4.40 mm
L/W Ratio1.05
Top View
6.79 mm6.47 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7408245823
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.1%

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 2
Current: $10,128 USD|Low: $5,170 USD|High: $10,250 USD|Avg: $6,766 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8$5,170 USD
Retailer 5$5,240 USD
Retailer 6$6,228 USD
Retailer 2$6,478 USD
Retailer 7$6,484 USD
Retailer 4$6,593 USD
Retailer 3$7,510 USD
MOH London$10,128 USD

41 data points across 8 retailers

17 retailers$5,170 USD to $10,128 USD

A
Cheapest Retailer
-
$5,170 USD
A
Retailer 2
-
$5,240 USD
View
A
Retailer 3
-
$5,432 USD
View
A
Retailer 4
-
$5,504 USD
View
B+
Retailer 5
-
$5,646 USD
A$8,686 AUD
View
B+
Retailer 6
-
$5,797 USD
View
B+
Retailer 7
-
$6,138 USD
View
B+
Retailer 8
-
$6,478 USD
£5,100 GBP
View
B+
Retailer 9
-
$6,484 USD
View
B+
Retailer 10
-
$6,593 USD
£5,192 GBP
View
B+
Retailer 11
-
$6,930 USD
View
B+
Retailer 12
-
$6,930 USD
View
B+
Retailer 13
-
$7,160 USD
View
B+
Retailer 14
-
$7,510 USD
€7,152 EUR
View
Retailer 15
-
$7,578 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$9,966 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
63190762C · Nov 2
$10,128 USD
£7,975 GBP
View
16 more retailers have this diamond
Prices start from $5,170 USDSave up to $4,958 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
$5,170 USD