Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1553172550

Certificate GIA 1553172550

Diamond specifications and retailer prices

From $583 USD
As of November 6, 2026
Save $875 USD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,458 USD 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 $583 to $1,458, a $875 spread on the same certified stone. MOH London lists it at $1,458. 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
Color
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: $1,458 USD|Low: $534 USD|High: $1,477 USD|Avg: $885 USD|-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$583 USD
Retailer 5$657 USD
Retailer 8$681 USD
Retailer 6$770 USD
Retailer 2$771 USD
Retailer 9$792 USD
Retailer 10$820 USD
Retailer 4$926 USD
Retailer 3$950 USD
Retailer 7$975 USD
MOH London$1,458 USD

35 data points across 11 retailers

14 retailers$583 USD to $1,458 USD

B+
Cheapest Retailer
-
$583 USD
Final sale: no returns
B+
Retailer 2
-
$657 USD
View
Retailer 3
-
$681 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$729 USD
View
B+
Retailer 5
-
$750 USD
View
B+
Retailer 6
-
$764 USD
View
B+
Retailer 7
-
$770 USD
View
B+
Retailer 8
-
$771 USD
View
B+
Retailer 9
-
$792 USD
View
B+
Retailer 10
-
$820 USD
View
B
Retailer 11
-
$926 USD
View
Retailer 12
-
$950 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$975 USD
View
Most Expensive
B
MOH London
2ED64C727 · Nov 4
$1,458 USD
£1,148 GBP
View
13 more retailers have this diamond
Prices start from $583 USDSave up to $875 USD

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
$583 USD