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Cushion|Natural|GIA

1.50ct K SI1 Cushion Natural Diamond

VG • K/SI1 • GIA 2556551357

Certificate GIA 2556551357

Diamond specifications and retailer prices

From $3,281 SGD
As of November 6, 2026
Save $3,975 SGD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,256 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2556551357. Listed at 14 retailers as of November 4, 2026, with prices from $3,281 to $7,256, a $3,975 spread on the same certified stone. MOH London lists it at $7,256. 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
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556551357
Dimensions8.26 × 5.54 × 3.93 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
8.26 mm5.54 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556551357
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.9%

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: $7,256 SGD|Low: $3,281 SGD|High: $7,360 SGD|Avg: $4,698 SGD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,281 SGD
Retailer 2$3,467 SGD
Retailer 6$3,873 SGD
Retailer 3$4,220 SGD
Retailer 7$4,505 SGD
Retailer 10$4,536 SGD
Retailer 8$4,674 SGD
Retailer 4$5,065 SGD
Retailer 5$5,310 SGD
MOH London$7,256 SGD

26 data points across 10 retailers

14 retailers$3,281 SGD to $7,256 SGD

A
Cheapest Retailer
-
$3,281 SGD
A
Retailer 2
-
$3,467 SGD
View
B+
Retailer 3
-
$3,873 SGD
View
B+
Retailer 4
-
$4,077 SGD
View
B+
Retailer 5
-
$4,082 SGD
View
B+
Retailer 6
-
$4,220 SGD
View
B+
Retailer 7
-
$4,322 SGD
View
Retailer 8
-
$4,378 SGD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$4,505 SGD
View
B+
Retailer 10
-
$4,536 SGD
View
B+
Retailer 11
-
$4,674 SGD
View
B+
Retailer 12
-
$5,065 SGD
View
B
Retailer 13
-
$5,310 SGD
View
Most Expensive
B
MOH London
B558C4967 · Nov 4
$7,256 SGD
£4,458 GBP
View
13 more retailers have this diamond
Prices start from $3,281 SGDSave up to $3,975 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
$3,281 SGD