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Cushion|Natural|GIA

0.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6325044554

Certificate GIA 6325044554

Diamond specifications and retailer prices

From €342 EUR
HK$3,000 HKD
As of November 1, 2026
Save €469 EUR (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €812 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6325044554. Listed at 5 retailers as of November 1, 2026, with prices from €342 to €812, a €469 spread on the same certified stone. MOH London lists it at €812. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6325044554
Dimensions4.51 × 4.38 × 2.96 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.51 mm4.38 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6325044554
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 67.7%

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 1
Current: €812 EUR|Low: €342 EUR|High: €821 EUR|Avg: €555 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5€342 EUR
Retailer 3€459 EUR
Retailer 4€563 EUR
Retailer 2€571 EUR
MOH London€812 EUR

45 data points across 5 retailers

5 retailers€342 EUR to €812 EUR

A
Cheapest Retailer
-
€342 EUR
HK$3,000 HKD
B+
Retailer 2
-
€459 EUR
£405 GBP
View
Retailer 3
-
€563 EUR
A$971 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€571 EUR
View
Most Expensive
B
MOH London
463C49F91 · Nov 1
€812 EUR
£717 GBP
View
4 more retailers have this diamond
Prices start from €342 EURSave up to €469 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.

A
0.50ct Cushion
€342 EUR