Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1553172550

Certificate GIA 1553172550

Diamond specifications and retailer prices

From €522 EUR
As of November 6, 2026
Save €784 EUR (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,306 EUR 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 €522 to €1,306, a €784 spread on the same certified stone. MOH London lists it at €1,306. 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: €1,306 EUR|Low: €478 EUR|High: €1,323 EUR|Avg: €793 EUR|-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€522 EUR
Retailer 5€588 EUR
Retailer 8€610 EUR
Retailer 6€690 EUR
Retailer 2€691 EUR
Retailer 9€709 EUR
Retailer 10€734 EUR
Retailer 4€829 EUR
Retailer 3€851 EUR
Retailer 7€873 EUR
MOH London€1,306 EUR

35 data points across 11 retailers

14 retailers€522 EUR to €1,306 EUR

B+
Cheapest Retailer
-
€522 EUR
Final sale: no returns
B+
Retailer 2
-
€588 EUR
View
Retailer 3
-
€610 EUR
View
Price last confirmed 9 days ago
B+
Retailer 4
-
€653 EUR
View
B+
Retailer 5
-
€672 EUR
View
B+
Retailer 6
-
€684 EUR
View
B+
Retailer 7
-
€690 EUR
View
B+
Retailer 8
-
€691 EUR
View
B+
Retailer 9
-
€709 EUR
View
B+
Retailer 10
-
€734 EUR
View
B
Retailer 11
-
€829 EUR
View
Retailer 12
-
€851 EUR
View
Price last confirmed 33 days ago
B
Retailer 13
-
€873 EUR
View
Most Expensive
B
MOH London
2ED64C727 · Nov 4
€1,306 EUR
£1,148 GBP
View
13 more retailers have this diamond
Prices start from €522 EURSave up to €784 EUR

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
€522 EUR