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Round|Natural|GIA

1.01ct E I1 Round Natural Diamond

EX • E/I1 • GIA 2427183506

Certificate GIA 2427183506

Diamond specifications and retailer prices

From £1,357 GBP
HK$14,200 HKD
As of October 30, 2026
Save £2,487 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,844 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2427183506. Listed at 10 retailers as of October 30, 2026, with prices from £1,357 to £3,844, a £2,487 spread on the same certified stone. NZ Jewellers lists it at £3,844. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2427183506
Dimensions6.44 × 6.40 × 3.91 mm
L/W Ratio1.01
Top View
6.44 mm6.40 mm1.01 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427183506
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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 30
Current: £2,296 GBP|Low: £1,357 GBP|High: £2,296 GBP|Avg: £1,809 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3£1,357 GBP
Retailer 10£1,427 GBP
Retailer 6£1,505 GBP
Retailer 4£1,666 GBP
Retailer 2£1,825 GBP
Retailer 7£1,926 GBP
Retailer 8£1,926 GBP
Retailer 9£1,985 GBP
Retailer 5£2,188 GBP
Retailer 1£2,296 GBP

17 data points across 10 retailers

10 retailers£1,357 GBP to £3,844 GBP

A
Cheapest Retailer
-
£1,357 GBP
HK$14,200 HKD
B+
Retailer 2
-
£1,666 GBP
$2,232 USD
View
B+
Retailer 3
-
£1,666 GBP
$2,232 USD
View
B+
Retailer 4
-
£1,743 GBP
$2,335 USD
View
B+
Retailer 5
-
£1,922 GBP
$2,575 USD
View
B+
Retailer 6
-
£1,926 GBP
$2,580 USD
View
B+
Retailer 7
-
£1,926 GBP
$2,580 USD
View
B+
Retailer 8
-
£1,985 GBP
$2,660 USD
View
B+
Retailer 9
-
£2,296 GBP
€2,930 EUR
View
Most Expensive
B
NZ Jewellers
922bef94-2377-411e-8144-5f6df5acb0a0 · Oct 30
£3,844 GBP
$5,150 USD
View
9 more retailers have this diamond
Prices start from £1,357 GBPSave up to £2,487 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
1.01ct Round
£1,357 GBP