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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 7538986848

Certificate GIA 7538986848

Diamond specifications and retailer prices

From $1,801 SGD
As of November 6, 2026
Save $2,330 SGD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,131 SGD 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538986848. Listed at 10 retailers as of November 4, 2026, with prices from $1,801 to $4,131, a $2,330 spread on the same certified stone. MOH London lists it at $4,131. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538986848
Dimensions7.12 × 6.37 × 4.41 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.12 mm6.37 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538986848
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,131 SGD|Low: $1,801 SGD|High: $4,473 SGD|Avg: $2,731 SGD|-7.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$1,801 SGD
Retailer 8$2,153 SGD
Retailer 4$2,356 SGD
Retailer 10$2,418 SGD
Retailer 9$2,463 SGD
Retailer 5$2,539 SGD
Retailer 6$2,566 SGD
Retailer 7$2,593 SGD
Retailer 2$3,263 SGD
MOH London$4,131 SGD

24 data points across 10 retailers

10 retailers$1,801 SGD to $4,131 SGD

A
Cheapest Retailer
-
$1,801 SGD
A
Retailer 2
-
$2,153 SGD
View
A
Retailer 3
-
$2,356 SGD
View
Retailer 4
-
$2,418 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,463 SGD
View
A
Retailer 6
-
$2,539 SGD
View
A
Retailer 7
-
$2,566 SGD
View
A
Retailer 8
-
$2,593 SGD
View
B+
Retailer 9
-
$3,263 SGD
View
Most Expensive
B+
MOH London
B65DAFE3E · Nov 4
$4,131 SGD
£2,538 GBP
View
9 more retailers have this diamond
Prices start from $1,801 SGDSave up to $2,330 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
$1,801 SGD