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Round|Natural|GIA

1.01ct E I1 Round Natural Diamond

VG • E/I1 • GIA 1425330386

Certificate GIA 1425330386

Diamond specifications and retailer prices

From £1,242 GBP
HK$13,000 HKD
As of October 30, 2026
Save £2,268 GBP (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,510 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 very-good cut grade and certified by GIA 1425330386. Listed at 13 retailers as of October 30, 2026, with prices from £1,242 to £3,510, a £2,268 spread on the same certified stone. NZ Jewellers lists it at £3,510. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1425330386
Dimensions6.38 × 6.34 × 4.02 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Indented Natural
Top View
6.38 mm6.34 mm1.01 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1425330386
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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: £2,103 GBP|Low: £1,242 GBP|High: £2,165 GBP|Avg: £1,662 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4£1,242 GBP
Retailer 2£1,351 GBP
Retailer 5£1,373 GBP
Retailer 3£1,374 GBP
Retailer 6£1,769 GBP
Retailer 8£1,769 GBP
Retailer 7£1,829 GBP
Retailer 1£2,103 GBP
Retailer 9£2,165 GBP

24 data points across 9 retailers

13 retailers£1,242 GBP to £3,510 GBP

A
Cheapest Retailer
-
£1,242 GBP
HK$13,000 HKD
Retailer 2
-
£1,351 GBP
$1,810 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£1,373 GBP
$1,839 USD
View
B+
Retailer 4
-
£1,374 GBP
$1,841 USD
View
B+
Retailer 5
-
£1,521 GBP
$2,038 USD
View
B+
Retailer 6
-
£1,521 GBP
$2,038 USD
View
B+
Retailer 7
-
£1,591 GBP
$2,132 USD
View
B+
Retailer 8
-
£1,755 GBP
$2,352 USD
View
B+
Retailer 9
-
£1,769 GBP
$2,370 USD
View
B+
Retailer 10
-
£1,769 GBP
$2,370 USD
View
B+
Retailer 11
-
£1,829 GBP
$2,450 USD
View
B
Retailer 12
-
£2,103 GBP
€2,683 EUR
View
Most Expensive
C
NZ Jewellers
cd5a4041-f2c3-4515-b9fa-b88fdd8eec29 · Oct 30
£3,510 GBP
$4,703 USD
View
12 more retailers have this diamond
Prices start from £1,242 GBPSave up to £2,268 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
£1,242 GBP