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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6243003386

Certificate GIA 6243003386

Diamond specifications and retailer prices

From $3,302 USD
HK$25,800 HKD
As of November 1, 2026
Save $3,796 USD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,098 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 6243003386. Listed at 8 retailers as of November 1, 2026, with prices from $3,302 to $7,098, a $3,796 spread on the same certified stone. MOH London lists it at $7,098. 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
Pavilion angle37.55°
OriginNatural
Grading LabGIA
CertificateGIA 6243003386
Dimensions7.79 × 5.93 × 4.14 mm
L/W Ratio1.31
Key to symbols
Crystal, Feather, Needle
Top View
7.79 mm5.93 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243003386
Side View
Table 65.0%CrownGirdle: MED-THKPavilion 37.55°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: $7,098 USD|Low: $3,290 USD|High: $8,321 USD|Avg: $5,168 USD|-14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$3,302 USD
Retailer 5$3,960 USD
Retailer 2$4,199 USD
Retailer 7$4,221 USD
Retailer 6$4,750 USD
Retailer 3$5,143 USD
MOH London$7,098 USD

45 data points across 7 retailers

8 retailers$3,302 USD to $7,098 USD

A
Cheapest Retailer
-
$3,302 USD
HK$25,800 HKD
A
Retailer 2
-
$3,960 USD
View
A
Retailer 3
-
$4,199 USD
£3,306 GBP
View
A
Retailer 4
-
$4,221 USD
SGD 5,704 SGD
View
A
Retailer 5
-
$4,750 USD
View
A
Retailer 6
-
$5,121 USD
A$7,878 AUD
View
A
Retailer 7
-
$5,143 USD
€4,898 EUR
View
Most Expensive
B+
MOH London
5BD481C81 · Nov 2
$7,098 USD
£5,589 GBP
View
7 more retailers have this diamond
Prices start from $3,302 USDSave up to $3,796 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
$3,302 USD