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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5546300939

Certificate GIA 5546300939

Diamond specifications and retailer prices

From $3,914 SGD
$3,062 USD
As of October 31, 2026
Save $3,685 SGD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,600 SGD at MOH London · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546300939. Listed at 14 retailers as of October 31, 2026, with prices from $3,914 to $7,600, a $3,685 spread on the same certified stone. MOH London lists it at $7,600. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.42°
Pavilion angle31.98°
OriginNatural
Grading LabGIA
CertificateGIA 5546300939
Dimensions6.35 × 6.22 × 4.34 mm
L/W Ratio1.02
Top View
6.35 mm6.22 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546300939
Side View
Table 61.0%Crown 38.42°Girdle: THK-VTKPavilion 31.98°Culet: NoneDepth 69.7%

Caratlytics Score

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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: Oct 31
Current: $7,600 SGD|Low: $3,914 SGD|High: $8,962 SGD|Avg: $5,280 SGD|-14.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12$3,914 SGD
Retailer 3$3,927 SGD
Retailer 7$4,250 SGD
Retailer 4$4,367 SGD
Retailer 13$4,465 SGD
Retailer 9$4,517 SGD
Retailer 8$4,717 SGD
Retailer 11$4,717 SGD
Retailer 6$4,795 SGD
Retailer 10$4,871 SGD
Retailer 2$5,052 SGD
Retailer 5$6,625 SGD
MOH London$7,600 SGD

43 data points across 13 retailers

14 retailers$3,914 SGD to $7,600 SGD

A
Cheapest Retailer
-
$3,914 SGD
$3,062 USD
A
Retailer 2
-
$3,927 SGD
$3,072 USD
View
A
Retailer 3
-
$4,250 SGD
CA$4,617 CAD
View
A
Retailer 4
-
$4,367 SGD
$3,416 USD
View
A
Retailer 5
-
$4,465 SGD
$3,493 USD
View
A
Retailer 6
-
$4,517 SGD
$3,533 USD
View
A
Retailer 7
-
$4,717 SGD
$3,690 USD
View
A
Retailer 8
-
$4,717 SGD
$3,690 USD
View
A
Retailer 9
-
$4,795 SGD
£2,953 GBP
View
A
Retailer 10
-
$4,871 SGD
$3,810 USD
View
A
Retailer 11
-
$5,052 SGD
€3,764 EUR
View
A
Retailer 12
-
$5,408 SGD
CA$5,876 CAD
View
Retailer 13
-
$6,625 SGD
$5,182 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
CC9B938F1 · Nov 1
$7,600 SGD
£4,681 GBP
View
13 more retailers have this diamond
Prices start from $3,914 SGDSave up to $3,685 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
$3,914 SGD