Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6515935866

Certificate GIA 6515935866

Diamond specifications and retailer prices

From £238 GBP
₹30,238 INR
As of October 29, 2026
Save £1,099 GBP (82%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £1,337 GBP at NZ Jewellers · As of October 30, 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 6515935866. Listed at 33 retailers as of October 29, 2026, with prices from £238 to £1,337, a £1,099 spread on the same certified stone. NZ Jewellers lists it at £1,337. 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6515935866
Dimensions4.83 × 4.81 × 2.98 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.83 mm4.81 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515935866
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £720 GBP|Low: £238 GBP|High: £1,006 GBP|Avg: £562 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3£238 GBP
Retailer 8£298 GBP
Retailer 7£375 GBP
Retailer 5£428 GBP
Retailer 2£433 GBP
Retailer 6£530 GBP
Retailer 1£720 GBP
Retailer 4£810 GBP
Retailer 9£1,001 GBP

29 data points across 9 retailers

33 retailers£238 GBP to £1,337 GBP

A
Cheapest Retailer
-
£238 GBP
₹30,238 INR
A
Retailer 2
-
£298 GBP
HK$3,100 HKD
View
Retailer 3
-
£349 GBP
$465 USD
View
Price last confirmed 42 days ago
Retailer 4
-
£349 GBP
$465 USD
View
Price last confirmed 10 days ago
Retailer 5
-
£349 GBP
$465 USD
View
Price last confirmed 22 days ago
Retailer 6
-
£349 GBP
$465 USD
View
Price last confirmed 29 days ago
Retailer 7
-
£349 GBP
$465 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
£349 GBP
$465 USD
View
A
Retailer 9
-
£365 GBP
SGD 656 SGD
View
A
Retailer 10
-
£375 GBP
$500 USD
View
Retailer 11
-
£375 GBP
$500 USD
View
Price last confirmed 14 days ago
Retailer 12
-
£375 GBP
$500 USD
View
Price last confirmed 22 days ago
Retailer 13
-
£375 GBP
$500 USD
View
Price last confirmed 14 days ago
A
Retailer 14
-
£375 GBP
$500 USD
View
Retailer 15
-
£402 GBP
$536 USD
View
Price last confirmed 41 days ago
Retailer 16
-
£402 GBP
$536 USD
View
Price last confirmed 9 days ago
Retailer 17
-
£402 GBP
$536 USD
View
Price last confirmed 21 days ago
Retailer 18
-
£402 GBP
$536 USD
View
Price last confirmed 28 days ago
Retailer 19
-
£402 GBP
$536 USD
View
Price last confirmed 26 days ago
A
Retailer 20
-
£402 GBP
$536 USD
View
Retailer 21
-
£407 GBP
A$834 AUD
View
A
Retailer 22
-
£428 GBP
$570 USD
View
A
Retailer 23
-
£433 GBP
View
A
Retailer 24
-
£447 GBP
$596 USD
View
B+
Retailer 25
-
£530 GBP
€672 EUR
View
B+
Retailer 26
-
£720 GBP
View
B
Retailer 27
-
£810 GBP
View
B
Retailer 28
-
£1,001 GBP
View
Retailer 29
-
£1,337 GBP
$1,781 USD
View
Price last confirmed 40 days ago
Retailer 30
-
£1,337 GBP
$1,781 USD
View
Price last confirmed 9 days ago
Retailer 31
-
£1,337 GBP
$1,781 USD
View
Price last confirmed 21 days ago
Retailer 32
-
£1,337 GBP
$1,781 USD
View
Price last confirmed 27 days ago
Most Expensive
B
NZ Jewellers
c23c288a-d015-428f-a48e-4930c7475e4a · Oct 30
£1,337 GBP
$1,781 USD
View
32 more retailers have this diamond
Prices start from £238 GBPSave up to £1,099 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