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Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1553172550

Certificate GIA 1553172550

Diamond specifications and retailer prices

From $747 SGD
As of November 6, 2026
Save $1,121 SGD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,869 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553172550. Listed at 14 retailers as of November 4, 2026, with prices from $747 to $1,869, a $1,121 spread on the same certified stone. MOH London lists it at $1,869. 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

0.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553172550
Dimensions5.41 × 4.16 × 2.83 mm
L/W Ratio1.30
Key to symbols
Crystal, Cloud, Feather
Top View
5.41 mm4.16 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1553172550
Side View
Table 70.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,869 SGD|Low: $684 SGD|High: $1,893 SGD|Avg: $1,135 SGD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$747 SGD
Retailer 5$842 SGD
Retailer 8$873 SGD
Retailer 6$987 SGD
Retailer 2$988 SGD
Retailer 9$1,015 SGD
Retailer 10$1,051 SGD
Retailer 4$1,187 SGD
Retailer 3$1,218 SGD
Retailer 7$1,250 SGD
MOH London$1,869 SGD

35 data points across 11 retailers

14 retailers$747 SGD to $1,869 SGD

B+
Cheapest Retailer
-
$747 SGD
Final sale: no returns
B+
Retailer 2
-
$842 SGD
View
Retailer 3
-
$873 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$934 SGD
View
B+
Retailer 5
-
$961 SGD
View
B+
Retailer 6
-
$979 SGD
View
B+
Retailer 7
-
$987 SGD
View
B+
Retailer 8
-
$988 SGD
View
B+
Retailer 9
-
$1,015 SGD
View
B+
Retailer 10
-
$1,051 SGD
View
B
Retailer 11
-
$1,187 SGD
View
Retailer 12
-
$1,218 SGD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$1,250 SGD
View
Most Expensive
B
MOH London
2ED64C727 · Nov 4
$1,869 SGD
£1,148 GBP
View
13 more retailers have this diamond
Prices start from $747 SGDSave up to $1,121 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.

B+
0.50ct Cushion
$747 SGD