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Princess|Natural|GIA

1.01ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 1246021715

Certificate GIA 1246021715

Diamond specifications and retailer prices

From £1,027 GBP
As of November 4, 2026
Save £815 GBP (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,842 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.01ct natural princess diamond

This 1.01ct natural princess sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246021715. Listed at 10 retailers as of November 4, 2026, with prices from £1,027 to £1,842, a £815 spread on the same certified stone. Helzberg Diamonds lists it at £1,842. 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

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.73°
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 1246021715
Dimensions5.48 × 5.47 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.48 mm5.47 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246021715
Side View
Table 73.0%Crown 26.73°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 73.2%

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: Nov 4
Current: £1,842 GBP|Low: £1,027 GBP|High: £1,996 GBP|Avg: £1,337 GBP|-7.7%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£1,027 GBP
Retailer 3£1,042 GBP
Retailer 10£1,066 GBP
Retailer 8£1,118 GBP
Retailer 2£1,136 GBP
Retailer 9£1,143 GBP
Retailer 6£1,246 GBP
Retailer 7£1,405 GBP
Retailer 5£1,732 GBP
Helzberg Diamonds£1,842 GBP

42 data points across 10 retailers

10 retailers£1,027 GBP to £1,842 GBP

A
Cheapest Retailer
-
£1,027 GBP
A
Retailer 2
-
£1,042 GBP
View
A
Retailer 3
-
£1,066 GBP
View
A
Retailer 4
-
£1,118 GBP
View
A
Retailer 5
-
£1,136 GBP
View
A
Retailer 6
-
£1,143 GBP
View
A
Retailer 7
-
£1,246 GBP
View
A
Retailer 8
-
£1,405 GBP
View
B+
Retailer 9
-
£1,732 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRHIKMGIHNHL · Nov 4
£1,842 GBP
$2,479 USD
View
9 more retailers have this diamond
Prices start from £1,027 GBPSave up to £815 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 Princess
£1,027 GBP