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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552745539

Certificate GIA 6552745539

Diamond specifications and retailer prices

From £238 GBP
₹30,132 INR
As of October 24, 2026
Save £1,023 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,261 GBP 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 23, 2026, with prices from £238 to £1,261, a £1,023 spread on the same certified stone. NZ Jewellers lists it at £1,261. 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
Colour
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: Oct 24
Current: £1,261 GBP|Low: £237 GBP|High: £1,261 GBP|Avg: £541 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6£238 GBP
Retailer 2£288 GBP
Retailer 8£311 GBP
Retailer 5£387 GBP
Retailer 9£428 GBP
Retailer 4£498 GBP
Retailer 3£677 GBP
Retailer 7£764 GBP
NZ Jewellers£1,261 GBP

42 data points across 9 retailers

15 retailers£238 GBP to £1,261 GBP

A
Cheapest Retailer
-
£238 GBP
₹30,132 INR
A
Retailer 2
-
£288 GBP
HK$3,000 HKD
View
A
Retailer 3
-
£311 GBP
$414 USD
View
A
Retailer 4
-
£329 GBP
$438 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£339 GBP
A$695 AUD
View
A
Retailer 6
-
£354 GBP
$472 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
£354 GBP
$472 USD
View
A
Retailer 8
-
£379 GBP
$505 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
£387 GBP
View
A
Retailer 10
-
£428 GBP
$570 USD
View
B+
Retailer 11
-
£498 GBP
€631 EUR
View
B+
Retailer 12
-
£677 GBP
View
B
Retailer 13
-
£764 GBP
View
Price last confirmed 8 days ago
B
Retailer 14
-
£1,261 GBP
$1,679 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
7b969964-cbe5-4f96-bafc-ff153d80ec6a · Oct 23
£1,261 GBP
$1,679 USD
View
14 more retailers have this diamond
Prices start from £238 GBPSave up to £1,023 GBP

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
£238 GBP