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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 HK$4,569 HKD
As of November 6, 2026
Save HK$6,808 HKD (60%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$11,377 HKD at MOH London · As of November 7, 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 17 retailers as of November 6, 2026, with prices from HK$4,569 to HK$11,377, a HK$6,808 spread on the same certified stone. MOH London lists it at HK$11,377. 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 →
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: HK$11,377 HKD|Low: HK$4,185 HKD|High: HK$11,576 HKD|Avg: HK$6,856 HKD|-1.5%
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 7, 2026
Retailer 5HK$4,569 HKD
Retailer 12HK$5,149 HKD
Retailer 9HK$5,337 HKD
Retailer 6HK$5,604 HKD
Retailer 10HK$6,035 HKD
Retailer 8HK$6,082 HKD
Retailer 3HK$6,207 HKD
Retailer 4HK$6,427 HKD
Retailer 2HK$6,913 HKD
Retailer 7HK$6,913 HKD
Retailer 11HK$7,257 HKD
Retailer 13HK$7,641 HKD
MOH LondonHK$11,377 HKD

34 data points across 13 retailers

17 retailersHK$4,569 HKD to HK$11,377 HKD

A
Cheapest Retailer
-
HK$4,569 HKD
Final sale: no returns
B+
Retailer 2
-
HK$5,149 HKD
View
B+
Retailer 3
-
HK$5,337 HKD
View
B+
Retailer 4
-
HK$5,604 HKD
View
B+
Retailer 5
-
HK$5,713 HKD
View
B+
Retailer 6
-
HK$5,878 HKD
View
B+
Retailer 7
-
HK$5,988 HKD
View
B+
Retailer 8
-
HK$6,035 HKD
View
B+
Retailer 9
-
HK$6,082 HKD
View
B+
Retailer 10
-
HK$6,207 HKD
View
B+
Retailer 11
-
HK$6,427 HKD
View
B
Retailer 12
-
HK$6,913 HKD
View
B
Retailer 13
-
HK$6,913 HKD
View
B+
Retailer 14
-
HK$7,257 HKD
View
Retailer 15
-
HK$7,446 HKD
View
Price last confirmed 33 days ago
B
Retailer 16
-
HK$7,641 HKD
View
Most Expensive
B
MOH London
2ED64C727 · Nov 7
HK$11,377 HKD
£1,143 GBP
View
16 more retailers have this diamond
Prices start from HK$4,569 HKDSave up to HK$6,808 HKD

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
0.50ct Cushion
HK$4,569 HKD