CaratHunter
Plans
Princess|Natural|GIA

1.02ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 2558711665

Certificate GIA 2558711665

Diamond specifications and retailer prices

From £1,071 GBP
As of November 4, 2026
Save £849 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,921 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.02ct natural princess diamond

This 1.02ct natural princess sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558711665. Listed at 13 retailers as of November 4, 2026, with prices from £1,071 to £1,921, a £849 spread on the same certified stone. Helzberg Diamonds lists it at £1,921. 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

1.02
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.67°
Pavilion angle40.62°
OriginNatural
Grading LabGIA
CertificateGIA 2558711665
Dimensions5.62 × 5.54 × 4.03 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.62 mm5.54 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558711665
Side View
Table 74.0%Crown 23.67°Girdle: MED-STKPavilion 40.62°Culet: NoneDepth 72.8%

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: £1,921 GBP|Low: £1,071 GBP|High: £2,031 GBP|Avg: £1,379 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 6, 2026
Retailer 9£1,071 GBP
Retailer 4£1,074 GBP
Retailer 10£1,088 GBP
Retailer 5£1,107 GBP
Retailer 3£1,151 GBP
Retailer 13£1,167 GBP
Retailer 7£1,190 GBP
Retailer 6£1,297 GBP
Retailer 12£1,452 GBP
Retailer 2£1,513 GBP
Retailer 8£1,634 GBP
Retailer 11£1,800 GBP
Helzberg Diamonds£1,921 GBP

35 data points across 13 retailers

13 retailers£1,071 GBP to £1,921 GBP

A
Cheapest Retailer
-
£1,071 GBP
A
Retailer 2
-
£1,088 GBP
View
A
Retailer 3
-
£1,107 GBP
View
A
Retailer 4
-
£1,151 GBP
View
A
Retailer 5
-
£1,167 GBP
View
A
Retailer 6
-
£1,190 GBP
View
A
Retailer 7
-
£1,297 GBP
View
A
Retailer 8
-
£1,366 GBP
View
A
Retailer 9
-
£1,452 GBP
View
B+
Retailer 10
-
£1,513 GBP
View
B+
Retailer 11
-
£1,634 GBP
View
B+
Retailer 12
-
£1,800 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRILLONHHMML · Nov 6
£1,921 GBP
$2,585 USD
View
12 more retailers have this diamond
Prices start from £1,071 GBPSave up to £849 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
1.02ct Princess
£1,071 GBP