CaratHunter
Plans
Princess|Natural|IGI

1.00ct E SI2 Princess Natural Diamond

EX • E/SI2 • IGI 444086168

Shape and cutting style on the report: Princess cut

Certificate IGI 444086168

Diamond specifications and retailer prices

From £1,423 GBP
$1,895 USD
As of October 28, 2026
Save £1,871 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,294 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 444086168. Listed at 13 retailers as of October 27, 2026, with prices from £1,423 to £3,294, a £1,871 spread on the same certified stone. NZ Jewellers lists it at £3,294. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle52.1°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 444086168
Dimensions5.45 × 5.33 × 4.01 mm
L/W Ratio1.02
Culet sizePointed
Top View
5.45 mm5.33 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 444086168
Side View
Table 73.5%Crown 52.1°Girdle: MediumPavilion 39.2°Culet: NoneDepth 75.2%

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 28
Current: £3,294 GBP|Low: £1,032 GBP|High: £3,294 GBP|Avg: £1,814 GBP
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
October 30, 2026
Retailer 9£1,032 GBP
Retailer 8£1,423 GBP
Retailer 3£1,454 GBP
Retailer 7£1,463 GBP
Retailer 14£1,503 GBP
Retailer 2£1,562 GBP
Retailer 12£1,575 GBP
Retailer 15£1,575 GBP
Retailer 13£1,648 GBP
Retailer 4£1,652 GBP
Retailer 16£1,679 GBP
Retailer 17£1,818 GBP
Retailer 5£1,899 GBP
Retailer 11£2,138 GBP
Retailer 6£2,625 GBP
Retailer 10£2,775 GBP
NZ Jewellers£3,294 GBP

19 data points across 17 retailers

13 retailers£1,423 GBP to £3,294 GBP

A
Cheapest Retailer
-
£1,423 GBP
$1,895 USD
A
Retailer 2
-
£1,454 GBP
$1,936 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,503 GBP
$2,002 USD
View
B+
Retailer 4
-
£1,562 GBP
View
B+
Retailer 5
-
£1,575 GBP
$2,098 USD
View
B+
Retailer 6
-
£1,575 GBP
$2,098 USD
View
B+
Retailer 7
-
£1,648 GBP
$2,195 USD
View
B+
Retailer 8
-
£1,652 GBP
$2,200 USD
View
B+
Retailer 9
-
£1,679 GBP
$2,237 USD
View
B+
Retailer 10
-
£1,818 GBP
$2,421 USD
View
B
Retailer 11
-
£2,138 GBP
€2,711 EUR
View
Price last confirmed 7 days ago
B
Retailer 12
-
£2,775 GBP
View
Most Expensive
B
NZ Jewellers
b405f0d6-8ab0-4772-b59f-f7e269f28412 · Oct 27
£3,294 GBP
$4,386 USD
View
12 more retailers have this diamond
Prices start from £1,423 GBPSave up to £1,871 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
1.00ct Princess
£1,423 GBP