Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552745539

Certificate GIA 6552745539

Diamond specifications and retailer prices

From €321 EUR
HK$2,800 HKD
As of November 1, 2026
Save €487 EUR (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,503 EUR at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.42ct natural round diamond

This 0.42ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552745539. Listed at 15 retailers as of October 26, 2026, with a 152% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.42
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552745539
Dimensions4.78 × 4.81 × 2.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.78 mm4.81 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552745539
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: €1,503 EUR|Low: €282 EUR|High: €1,503 EUR|Avg: €626 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6€283 EUR
Retailer 2€321 EUR
Retailer 8€371 EUR
Retailer 9€422 EUR
Retailer 5€461 EUR
Retailer 10€510 EUR
Retailer 4€593 EUR
Retailer 3€807 EUR
Retailer 7€911 EUR
NZ Jewellers€1,503 EUR

42 data points across 10 retailers

15 retailers€321 EUR to €807 EUR

Retailer 1
-
€283 EUR
₹30,132 INR
Price last confirmed 8 days ago
A
Retailer 2
-
€321 EUR
HK$2,800 HKD
View
Retailer 3
-
€371 EUR
$414 USD
View
Price last confirmed 10 days ago
Retailer 4
-
€392 EUR
$438 USD
View
Price last confirmed 31 days ago
Retailer 5
-
€404 EUR
A$695 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
€422 EUR
$472 USD
View
Price last confirmed 33 days ago
Retailer 7
-
€422 EUR
$472 USD
View
Price last confirmed 7 days ago
Retailer 8
-
€452 EUR
$505 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
€461 EUR
£406 GBP
View
Retailer 10
-
€510 EUR
$570 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
€593 EUR
View
B+
Retailer 12
-
€807 EUR
£710 GBP
View
Retailer 13
-
€911 EUR
£801 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
€1,503 EUR
$1,679 USD
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
7b969964-cbe5-4f96-bafc-ff153d80ec6a · Oct 23
€1,503 EUR
$1,679 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from €321 EURSave up to €487 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
0.42ct Round
€321 EUR