Round|Natural|GIA

1.01ct E I1 Round Natural Diamond

EX • E/I1 • GIA 5423908029

Certificate GIA 5423908029

Diamond specifications and retailer prices

From £1,933 GBP
$2,590 USD
As of October 30, 2026
Save £2,580 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,513 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 5423908029. Listed at 11 retailers as of October 30, 2026, with prices from £1,933 to £4,513, a £2,580 spread on the same certified stone. NZ Jewellers lists it at £4,513. 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 angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5423908029
Dimensions6.39 × 6.42 × 3.95 mm
L/W Ratio1.00
Top View
6.39 mm6.42 mm1.01 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5423908029
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,523 GBP|Low: £1,933 GBP|High: £2,569 GBP|Avg: £2,172 GBP|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 7£1,933 GBP
Retailer 6£1,937 GBP
Retailer 4£1,960 GBP
Retailer 9£2,142 GBP
Retailer 10£2,142 GBP
Retailer 2£2,153 GBP
Retailer 3£2,159 GBP
Retailer 8£2,217 GBP
Retailer 1£2,523 GBP
Retailer 5£2,569 GBP

15 data points across 10 retailers

11 retailers£1,933 GBP to £4,513 GBP

B+
Cheapest Retailer
-
£1,933 GBP
$2,590 USD
B+
Retailer 2
-
£1,937 GBP
$2,596 USD
View
B
Retailer 3
-
£2,142 GBP
$2,870 USD
View
B
Retailer 4
-
£2,142 GBP
$2,870 USD
View
B
Retailer 5
-
£2,159 GBP
$2,893 USD
View
B
Retailer 6
-
£2,159 GBP
$2,893 USD
View
B
Retailer 7
-
£2,217 GBP
$2,970 USD
View
B+
Retailer 8
-
£2,242 GBP
$3,004 USD
View
B
Retailer 9
-
£2,491 GBP
$3,338 USD
View
B
Retailer 10
-
£2,523 GBP
€3,220 EUR
View
Most Expensive
B
NZ Jewellers
7011a383-29c0-468d-ad25-8af5901f54f5 · Oct 30
£4,513 GBP
$6,047 USD
View
10 more retailers have this diamond
Prices start from £1,933 GBPSave up to £2,580 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.

B+
1.01ct Round
£1,933 GBP