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Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6565620353

Certificate GIA 6565620353

Diamond specifications and retailer prices

From £182 GBP
₹23,084 INR
As of October 29, 2026
Save £289 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £471 GBP at B2C Jewels · As of October 28, 2026
View at B2C Jewels

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 6565620353. Listed at 11 retailers as of October 28, 2026, with prices from £182 to £471, a £289 spread on the same certified stone. B2C Jewels lists it at £471. 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
OriginNatural
Grading LabGIA
CertificateGIA 6565620353
Dimensions4.76 × 4.78 × 2.97 mm
L/W Ratio1.00
Top View
4.76 mm4.78 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565620353
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

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 29
Current: £471 GBP|Low: £182 GBP|High: £477 GBP|Avg: £309 GBP|+12.0%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4£182 GBP
Retailer 11£209 GBP
Retailer 3£222 GBP
Retailer 10£230 GBP
Retailer 5£247 GBP
Retailer 9£270 GBP
Retailer 8£281 GBP
Retailer 7£341 GBP
Retailer 6£421 GBP
Retailer 2£444 GBP
B2C Jewels£471 GBP

14 data points across 11 retailers

11 retailers£182 GBP to £471 GBP

A
Cheapest Retailer
-
£182 GBP
₹23,084 INR
A
Retailer 2
-
£209 GBP
$278 USD
View
A
Retailer 3
-
£222 GBP
HK$2,300 HKD
View
A
Retailer 4
-
£230 GBP
$305 USD
View
A
Retailer 5
-
£247 GBP
SGD 443 SGD
View
A
Retailer 6
-
£270 GBP
SGD 484 SGD
View
A
Retailer 7
-
£281 GBP
A$574 AUD
View
A
Retailer 8
-
£341 GBP
$453 USD
View
A
Retailer 9
-
£421 GBP
€533 EUR
View
A
Retailer 10
-
£444 GBP
View
Most Expensive
B+
B2C Jewels
37089192 · Oct 28
£471 GBP
$626 USD
View
10 more retailers have this diamond
Prices start from £182 GBPSave up to £289 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
£182 GBP