Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2496984386

Certificate GIA 2496984386

Diamond specifications and retailer prices

From £290 GBP
$386 USD
As of October 22, 2026
Save £975 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,265 GBP at NZ Jewellers · As of October 26, 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 2496984386. Listed at 11 retailers as of October 22, 2026, with prices from £290 to £1,265, a £975 spread on the same certified stone. NZ Jewellers lists it at £1,265. 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
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2496984386
Dimensions4.81 × 4.77 × 2.98 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.81 mm4.77 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496984386
Side View
Table 56.0%Crown 35°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

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 22
Current: £1,265 GBP|Low: £330 GBP|High: £1,290 GBP|Avg: £561 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8£330 GBP
Retailer 6£355 GBP
Retailer 7£355 GBP
Retailer 10£371 GBP
Retailer 2£408 GBP
Retailer 9£467 GBP
Retailer 11£486 GBP
Retailer 5£499 GBP
Retailer 3£546 GBP
Retailer 4£767 GBP
NZ Jewellers£1,265 GBP

36 data points across 11 retailers

11 retailers£290 GBP to £1,265 GBP

A
Cheapest Retailer
-
£290 GBP
$386 USD
A
Retailer 2
-
£330 GBP
$439 USD
View
A
Retailer 3
-
£355 GBP
$472 USD
View
A
Retailer 4
-
£355 GBP
$472 USD
View
A
Retailer 5
-
£381 GBP
$506 USD
View
A
Retailer 6
-
£408 GBP
View
B+
Retailer 7
-
£467 GBP
$620 USD
View
B+
Retailer 8
-
£486 GBP
$646 USD
View
B+
Retailer 9
-
£499 GBP
€631 EUR
View
B
Retailer 10
-
£767 GBP
View
Most Expensive
B
NZ Jewellers
5d97ef6e-6386-42b0-9a8c-202fd32315bf · Oct 26
£1,265 GBP
$1,681 USD
View
10 more retailers have this diamond
Prices start from £290 GBPSave up to £975 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
£290 GBP