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Princess|Natural|GIA

1.01ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 2566382654

Certificate GIA 2566382654

Diamond specifications and retailer prices

From £898 GBP
$1,203 USD
As of October 31, 2026
Save £711 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,608 GBP at Helzberg Diamonds · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566382654. Listed at 13 retailers as of October 31, 2026, with prices from £898 to £1,608, a £711 spread on the same certified stone. Helzberg Diamonds lists it at £1,608. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.97°
Pavilion angle40.56°
OriginNatural
Grading LabGIA
CertificateGIA 2566382654
Dimensions5.57 × 5.53 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.57 mm5.53 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566382654
Side View
Table 73.0%Crown 23.97°Girdle: MED-STKPavilion 40.56°Culet: NDepth 71.4%

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 31
Current: £1,608 GBP|Low: £898 GBP|High: £1,701 GBP|Avg: £1,164 GBP|-5.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7£898 GBP
Retailer 3£908 GBP
Retailer 11£913 GBP
Retailer 2£925 GBP
Retailer 13£977 GBP
Retailer 9£1,015 GBP
Retailer 10£1,015 GBP
Retailer 6£1,020 GBP
Retailer 8£1,098 GBP
Retailer 12£1,272 GBP
Retailer 5£1,353 GBP
Retailer 4£1,572 GBP
Helzberg Diamonds£1,608 GBP

34 data points across 13 retailers

13 retailers£898 GBP to £1,608 GBP

A
Cheapest Retailer
-
£898 GBP
$1,203 USD
A
Retailer 2
-
£908 GBP
SGD 1,644 SGD
View
A
Retailer 3
-
£913 GBP
$1,223 USD
View
A
Retailer 4
-
£925 GBP
$1,240 USD
View
A
Retailer 5
-
£977 GBP
SGD 1,769 SGD
View
A
Retailer 6
-
£1,015 GBP
$1,360 USD
View
A
Retailer 7
-
£1,015 GBP
$1,360 USD
View
A
Retailer 8
-
£1,020 GBP
View
A
Retailer 9
-
£1,098 GBP
$1,471 USD
View
A
Retailer 10
-
£1,272 GBP
$1,704 USD
View
A
Retailer 11
-
£1,353 GBP
€1,727 EUR
View
B+
Retailer 12
-
£1,572 GBP
$2,107 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRILMMJOIMLK · Nov 1
£1,608 GBP
$2,155 USD
View
12 more retailers have this diamond
Prices start from £898 GBPSave up to £711 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
£898 GBP