Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6561434086

Certificate GIA 6561434086

Diamond specifications and retailer prices

From £305 GBP
₹38,631 INR
As of October 29, 2026
Save £984 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,289 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561434086. Listed at 19 retailers as of October 26, 2026, with prices from £305 to £1,289, a £984 spread on the same certified stone. NZ Jewellers lists it at £1,289. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561434086
Dimensions4.88 × 4.87 × 2.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.88 mm4.87 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561434086
Side View
Table 57.0%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.8%

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: £1,289 GBP|Low: £303 GBP|High: £1,312 GBP|Avg: £600 GBP|-1.8%
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
October 29, 2026
Retailer 11£305 GBP
Retailer 18£346 GBP
Retailer 15£379 GBP
Retailer 4£402 GBP
Retailer 16£408 GBP
Retailer 6£411 GBP
Retailer 3£435 GBP
Retailer 5£442 GBP
Retailer 10£474 GBP
Retailer 2£519 GBP
Retailer 14£559 GBP
Retailer 8£572 GBP
Retailer 9£578 GBP
Retailer 7£604 GBP
Retailer 12£836 GBP
Retailer 13£954 GBP
Retailer 17£1,179 GBP
NZ Jewellers£1,289 GBP

19 data points across 18 retailers

19 retailers£305 GBP to £1,289 GBP

A
Cheapest Retailer
-
£305 GBP
₹38,631 INR
A
Retailer 2
-
£346 GBP
HK$3,600 HKD
View
A
Retailer 3
-
£379 GBP
$505 USD
View
A
Retailer 4
-
£402 GBP
$535 USD
View
A
Retailer 5
-
£408 GBP
€517 EUR
View
Price last confirmed 3 days ago
A
Retailer 6
-
£408 GBP
A$837 AUD
View
A
Retailer 7
-
£411 GBP
$547 USD
View
A
Retailer 8
-
£435 GBP
SGD 782 SGD
View
A
Retailer 9
-
£442 GBP
$589 USD
View
A
Retailer 10
-
£474 GBP
$631 USD
View
B+
Retailer 11
-
£519 GBP
View
B+
Retailer 12
-
£559 GBP
€709 EUR
View
B+
Retailer 13
-
£572 GBP
$761 USD
View
B+
Retailer 14
-
£578 GBP
$769 USD
View
B+
Retailer 15
-
£604 GBP
$805 USD
View
B
Retailer 16
-
£836 GBP
View
B
Retailer 17
-
£954 GBP
View
B
Retailer 18
-
£1,179 GBP
CA$2,180 CAD
View
Most Expensive
B
NZ Jewellers
ca3c5907-08c6-47d3-b953-11d43142c7ad · Oct 26
£1,289 GBP
$1,716 USD
View
18 more retailers have this diamond
Prices start from £305 GBPSave up to £984 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
£305 GBP