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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

GD • K/SI2 • GIA 6552178766

Certificate GIA 6552178766

Diamond specifications and retailer prices

From $2,309 SGD
As of November 6, 2026
Save $3,015 SGD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,324 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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6552178766. Listed at 11 retailers as of November 4, 2026, with prices from $2,309 to $5,324, a $3,015 spread on the same certified stone. MOH London lists it at $5,324. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552178766
Dimensions7.60 × 5.97 × 4.16 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
7.60 mm5.97 mm1.50 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552178766
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.7%

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 6
Current: $5,324 SGD|Low: $2,309 SGD|High: $5,368 SGD|Avg: $3,442 SGD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$2,309 SGD
Retailer 3$3,036 SGD
Retailer 5$3,223 SGD
Retailer 4$3,783 SGD
MOH London$5,324 SGD

29 data points across 5 retailers

11 retailers$2,309 SGD to $5,324 SGD

A
Cheapest Retailer
-
$2,309 SGD
B+
Retailer 2
-
$2,752 SGD
View
B+
Retailer 3
-
$3,004 SGD
View
B+
Retailer 4
-
$3,036 SGD
View
Retailer 5
-
$3,048 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$3,223 SGD
View
B+
Retailer 7
-
$3,285 SGD
View
B+
Retailer 8
-
$3,308 SGD
View
Retailer 9
-
$3,550 SGD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$3,783 SGD
View
Most Expensive
B
MOH London
537817708 · Nov 4
$5,324 SGD
£3,271 GBP
View
10 more retailers have this diamond
Prices start from $2,309 SGDSave up to $3,015 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
$2,309 SGD