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Princess|Natural|GIA

1.03ct G SI1 Princess Natural Diamond

EX • G/SI1 • GIA 5241057534

Certificate GIA 5241057534

Diamond specifications and retailer prices

From £1,161 GBP
As of November 4, 2026
Save £922 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,083 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.03ct natural princess diamond

This 1.03ct natural princess sits in the classic one-carat band, graded G 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 5241057534. Listed at 13 retailers as of November 4, 2026, with prices from £1,161 to £2,083, a £922 spread on the same certified stone. Helzberg Diamonds lists it at £2,083. 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

1.03
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.56°
Pavilion angle39.27°
OriginNatural
Grading LabGIA
CertificateGIA 5241057534
Dimensions5.58 × 5.49 × 3.97 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.58 mm5.49 mm1.03 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241057534
Side View
Table 72.0%Crown 24.56°Girdle: STK-THKPavilion 39.27°Culet: NoneDepth 72.3%

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: £2,083 GBP|Low: £1,161 GBP|High: £2,191 GBP|Avg: £1,446 GBP|-4.9%
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
Retailer 14
November 5, 2026
Retailer 10£1,161 GBP
Retailer 5£1,164 GBP
Retailer 11£1,178 GBP
Retailer 12£1,178 GBP
Retailer 6£1,186 GBP
Retailer 4£1,241 GBP
Retailer 3£1,265 GBP
Retailer 7£1,288 GBP
Retailer 9£1,323 GBP
Retailer 2£1,400 GBP
Retailer 14£1,545 GBP
Retailer 8£1,771 GBP
Retailer 13£1,950 GBP
Helzberg Diamonds£2,083 GBP

30 data points across 14 retailers

13 retailers£1,161 GBP to £2,083 GBP

A
Cheapest Retailer
-
£1,161 GBP
A
Retailer 2
-
£1,178 GBP
View
A
Retailer 3
-
£1,178 GBP
View
A
Retailer 4
-
£1,186 GBP
View
A
Retailer 5
-
£1,241 GBP
View
A
Retailer 6
-
£1,265 GBP
View
A
Retailer 7
-
£1,288 GBP
View
A
Retailer 8
-
£1,323 GBP
View
A
Retailer 9
-
£1,400 GBP
View
A
Retailer 10
-
£1,545 GBP
View
B+
Retailer 11
-
£1,771 GBP
View
B+
Retailer 12
-
£1,950 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRLIKHGLNLJK · Nov 6
£2,083 GBP
$2,804 USD
View
12 more retailers have this diamond
Prices start from £1,161 GBPSave up to £922 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
1.03ct Princess
£1,161 GBP