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Princess|Natural|GIA

1.01ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 1558273996

Certificate GIA 1558273996

Diamond specifications and retailer prices

From £1,028 GBP
As of November 4, 2026
Save £814 GBP (44%) vs most expensive(unlock to see where)
12 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 1558273996. Listed at 12 retailers as of November 4, 2026, with prices from £1,028 to £1,842, a £814 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 angle28.34°
Pavilion angle39.52°
OriginNatural
Grading LabGIA
CertificateGIA 1558273996
Dimensions5.43 × 5.43 × 3.97 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.43 mm5.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558273996
Side View
Table 73.0%Crown 28.34°Girdle: STK-THKPavilion 39.52°Culet: NoneDepth 73.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,842 GBP|Low: £1,028 GBP|High: £1,959 GBP|Avg: £1,320 GBP|-6.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£1,028 GBP
Retailer 4£1,044 GBP
Retailer 3£1,067 GBP
Retailer 10£1,120 GBP
Retailer 2£1,138 GBP
Retailer 11£1,143 GBP
Retailer 8£1,247 GBP
Retailer 9£1,406 GBP
Retailer 5£1,451 GBP
Retailer 7£1,733 GBP
Helzberg Diamonds£1,842 GBP

35 data points across 11 retailers

12 retailers£1,028 GBP to £1,842 GBP

A
Cheapest Retailer
-
£1,028 GBP
A
Retailer 2
-
£1,044 GBP
View
A
Retailer 3
-
£1,067 GBP
View
A
Retailer 4
-
£1,120 GBP
View
A
Retailer 5
-
£1,138 GBP
View
A
Retailer 6
-
£1,143 GBP
View
A
Retailer 7
-
£1,247 GBP
View
A
Retailer 8
-
£1,345 GBP
View
A
Retailer 9
-
£1,406 GBP
View
A
Retailer 10
-
£1,451 GBP
View
B+
Retailer 11
-
£1,733 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRHLLOINJPPM · Nov 4
£1,842 GBP
$2,479 USD
View
11 more retailers have this diamond
Prices start from £1,028 GBPSave up to £814 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
£1,028 GBP