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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 $4,223 SGD
HK$25,800 HKD
As of November 1, 2026
Save $4,854 SGD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,078 SGD 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 $4,223 to $9,078, a $4,854 spread on the same certified stone. MOH London lists it at $9,078. 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
Colour
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: $9,078 SGD|Low: $4,207 SGD|High: $10,642 SGD|Avg: $6,610 SGD|-14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$4,223 SGD
Retailer 5$5,064 SGD
Retailer 2$5,370 SGD
Retailer 7$5,398 SGD
Retailer 6$6,075 SGD
Retailer 3$6,577 SGD
MOH London$9,078 SGD

45 data points across 7 retailers

8 retailers$4,223 SGD to $9,078 SGD

A
Cheapest Retailer
-
$4,223 SGD
HK$25,800 HKD
A
Retailer 2
-
$5,064 SGD
$3,960 USD
View
A
Retailer 3
-
$5,370 SGD
£3,306 GBP
View
A
Retailer 4
-
$5,398 SGD
View
A
Retailer 5
-
$6,075 SGD
$4,750 USD
View
A
Retailer 6
-
$6,549 SGD
A$7,878 AUD
View
A
Retailer 7
-
$6,577 SGD
€4,898 EUR
View
Most Expensive
B+
MOH London
5BD481C81 · Nov 2
$9,078 SGD
£5,589 GBP
View
7 more retailers have this diamond
Prices start from $4,223 SGDSave up to $4,854 SGD

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
$4,223 SGD