Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 5563371683

Certificate GIA 5563371683

Diamond specifications and retailer prices

From £299 GBP
HK$3,100 HKD
As of October 25, 2026
Save £1,040 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,339 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563371683. Listed at 19 retailers as of October 23, 2026, with prices from £299 to £1,339, a £1,040 spread on the same certified stone. NZ Jewellers lists it at £1,339. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5563371683
Dimensions4.84 × 4.87 × 2.97 mm
L/W Ratio1.01
Top View
4.84 mm4.87 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563371683
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

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A+
Exceptional
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 25
Current: £1,339 GBP|Low: £255 GBP|High: £1,353 GBP|Avg: £499 GBP|-1.1%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 23, 2026
Retailer 12£255 GBP
Retailer 9£299 GBP
Retailer 10£327 GBP
Retailer 18£349 GBP
Retailer 6£369 GBP
Retailer 7£376 GBP
Retailer 13£376 GBP
Retailer 8£403 GBP
Retailer 2£411 GBP
Retailer 17£426 GBP
Retailer 5£448 GBP
Retailer 3£481 GBP
Retailer 4£483 GBP
Retailer 19£504 GBP
Retailer 15£535 GBP
Retailer 11£572 GBP
Retailer 14£707 GBP
Retailer 16£810 GBP
NZ Jewellers£1,339 GBP

21 data points across 19 retailers

19 retailers£299 GBP to £1,339 GBP

A+
Retailer 1
-
£255 GBP
₹32,221 INR
Price last confirmed 7 days ago
A
Retailer 2
-
£299 GBP
HK$3,100 HKD
View
A
Retailer 3
-
£327 GBP
$435 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£349 GBP
$464 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£369 GBP
SGD 662 SGD
View
A
Retailer 6
-
£376 GBP
$500 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£376 GBP
$500 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
£403 GBP
$535 USD
View
A
Retailer 9
-
£411 GBP
View
A
Retailer 10
-
£426 GBP
€539 EUR
View
A
Retailer 11
-
£448 GBP
$595 USD
View
Price last confirmed 11 days ago
A
Retailer 12
-
£481 GBP
$639 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
£483 GBP
$642 USD
View
B+
Retailer 14
-
£504 GBP
$670 USD
View
Price last confirmed 6 days ago
B+
Retailer 15
-
£535 GBP
ZAR 11,493 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£572 GBP
A$1,168 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
£707 GBP
View
B
Retailer 18
-
£810 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a4d0f87-f491-4644-be5b-84332cfccd35 · Oct 23
£1,339 GBP
$1,779 USD
View
18 more retailers have this diamond
Prices start from £299 GBPSave up to £1,040 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
£299 GBP