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Cushion|Natural|GIA

1.50ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1549696767

Certificate GIA 1549696767

Diamond specifications and retailer prices

From $2,133 SGD
As of November 6, 2026
Save $3,331 SGD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,464 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549696767. Listed at 19 retailers as of November 4, 2026, with prices from $2,133 to $5,464, a $3,331 spread on the same certified stone. MOH London lists it at $5,464. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 1549696767
Dimensions7.22 × 6.21 × 4.29 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
7.22 mm6.21 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549696767
Side View
Table 69.0%CrownGirdle: THK-VTKPavilion 39.4°Culet: NoneDepth 69.1%

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: $5,464 SGD|Low: $2,133 SGD|High: $6,095 SGD|Avg: $3,503 SGD|-10.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 12$2,133 SGD
Retailer 2$2,570 SGD
Retailer 3$2,698 SGD
Retailer 13$2,700 SGD
Retailer 16$2,971 SGD
Retailer 15$3,013 SGD
Retailer 17$3,025 SGD
Retailer 5$3,034 SGD
Retailer 9$3,100 SGD
Retailer 7$3,105 SGD
Retailer 4$3,108 SGD
Retailer 6$3,141 SGD
Retailer 10$3,230 SGD
Retailer 8$3,430 SGD
Retailer 14$3,456 SGD
Retailer 18$3,817 SGD
Retailer 11$4,618 SGD
MOH London$5,464 SGD

22 data points across 18 retailers

19 retailers$2,133 SGD to $5,464 SGD

A
Cheapest Retailer
-
$2,133 SGD
A
Retailer 2
-
$2,570 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,698 SGD
View
A
Retailer 4
-
$2,700 SGD
View
A
Retailer 5
-
$2,971 SGD
View
A
Retailer 6
-
$3,013 SGD
View
A
Retailer 7
-
$3,025 SGD
View
A
Retailer 8
-
$3,034 SGD
View
Retailer 9
-
$3,100 SGD
View
Price last confirmed 8 days ago
Retailer 10
-
$3,105 SGD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$3,108 SGD
View
Retailer 12
-
$3,141 SGD
View
Price last confirmed 9 days ago
Retailer 13
-
$3,230 SGD
View
Price last confirmed 7 days ago
Retailer 14
-
$3,430 SGD
View
Price last confirmed 17 days ago
A
Retailer 15
-
$3,456 SGD
View
B+
Retailer 16
-
$3,738 SGD
View
A
Retailer 17
-
$3,817 SGD
View
B+
Retailer 18
-
$4,618 SGD
View
Most Expensive
B+
MOH London
6DCC2DB2F · Nov 4
$5,464 SGD
£3,357 GBP
View
18 more retailers have this diamond
Prices start from $2,133 SGDSave up to $3,331 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
1.50ct Cushion
$2,133 SGD