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Round|Natural|IGI

0.42ct E SI2 Round Natural Diamond

VG • E/SI2 • IGI 797684485

Shape and cutting style on the report: Round brilliant

Certificate IGI 797684485

Diamond specifications and retailer prices

From £173 GBP
₹21,987 INR
As of October 28, 2026
Save £712 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £885 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 very-good cut grade and certified by IGI 797684485. Listed at 14 retailers as of October 26, 2026, with prices from £173 to £885, a £712 spread on the same certified stone. NZ Jewellers lists it at £885. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle35.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 797684485
Dimensions4.72 × 4.75 × 2.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.72 mm4.75 mm0.42 ctE / SI2
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 797684485
Side View
Table 61.0%Crown 35.4°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 61.9%

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 28
Current: £885 GBP|Low: £172 GBP|High: £885 GBP|Avg: £360 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 8£173 GBP
Retailer 7£198 GBP
Retailer 4£231 GBP
Retailer 10£240 GBP
Retailer 13£249 GBP
Retailer 12£258 GBP
Retailer 15£310 GBP
Retailer 5£311 GBP
Retailer 6£319 GBP
Retailer 3£329 GBP
Retailer 14£381 GBP
Retailer 9£391 GBP
Retailer 2£478 GBP
Retailer 11£534 GBP
NZ Jewellers£885 GBP

37 data points across 15 retailers

14 retailers£173 GBP to £885 GBP

A
Cheapest Retailer
-
£173 GBP
₹21,987 INR
B+
Retailer 2
-
£231 GBP
$308 USD
View
B+
Retailer 3
-
£240 GBP
$320 USD
View
B+
Retailer 4
-
£249 GBP
$331 USD
View
B+
Retailer 5
-
£258 GBP
$343 USD
View
B+
Retailer 6
-
£310 GBP
$413 USD
View
B+
Retailer 7
-
£311 GBP
$414 USD
View
B+
Retailer 8
-
£319 GBP
$425 USD
View
B+
Retailer 9
-
£329 GBP
$438 USD
View
B+
Retailer 10
-
£381 GBP
$507 USD
View
B+
Retailer 11
-
£391 GBP
€496 EUR
View
B+
Retailer 12
-
£478 GBP
View
B+
Retailer 13
-
£534 GBP
View
Most Expensive
C
NZ Jewellers
767743ed-5bd0-4f7a-b794-35035a3fa4a7 · Oct 26
£885 GBP
$1,179 USD
View
13 more retailers have this diamond
Prices start from £173 GBPSave up to £712 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
£173 GBP