CaratHunter
Plans
Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1553172550

Certificate GIA 1553172550

Diamond specifications and retailer prices

From $848 AUD
As of November 6, 2026
Save $1,273 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,122 AUD 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 $848 to $2,122, a $1,273 spread on the same certified stone. MOH London lists it at $2,122. 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: $2,122 AUD|Low: $777 AUD|High: $2,150 AUD|Avg: $1,289 AUD|-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$848 AUD
Retailer 5$956 AUD
Retailer 8$991 AUD
Retailer 6$1,121 AUD
Retailer 2$1,122 AUD
Retailer 9$1,153 AUD
Retailer 10$1,193 AUD
Retailer 4$1,348 AUD
Retailer 3$1,383 AUD
Retailer 7$1,419 AUD
MOH London$2,122 AUD

35 data points across 11 retailers

14 retailers$848 AUD to $2,122 AUD

B+
Cheapest Retailer
-
$848 AUD
Final sale: no returns
B+
Retailer 2
-
$956 AUD
View
Retailer 3
-
$991 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,061 AUD
View
B+
Retailer 5
-
$1,092 AUD
View
B+
Retailer 6
-
$1,112 AUD
View
B+
Retailer 7
-
$1,121 AUD
View
B+
Retailer 8
-
$1,122 AUD
View
B+
Retailer 9
-
$1,153 AUD
View
B+
Retailer 10
-
$1,193 AUD
View
B
Retailer 11
-
$1,348 AUD
View
Retailer 12
-
$1,383 AUD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$1,419 AUD
View
Most Expensive
B
MOH London
2ED64C727 · Nov 4
$2,122 AUD
£1,148 GBP
View
13 more retailers have this diamond
Prices start from $848 AUDSave up to $1,273 AUD

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
$848 AUD