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Princess|Natural|GIA

1.23ct G SI1 Princess Natural Diamond

EX • G/SI1 • GIA 6541474011

Certificate GIA 6541474011

Diamond specifications and retailer prices

From £1,688 GBP
As of November 1, 2026
Save £2,553 GBP (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,241 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural princess diamond

This 1.23ct 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 6541474011. Listed at 9 retailers as of November 1, 2026, with prices from £1,688 to £4,241, a £2,553 spread on the same certified stone. NZ Jewellers lists it at £4,241. 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

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541474011
Dimensions5.93 × 5.92 × 4.12 mm
L/W Ratio1.00
Top View
5.93 mm5.92 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541474011
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.6%

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 1
Current: £4,241 GBP|Low: £1,638 GBP|High: £4,451 GBP|Avg: £2,405 GBP|-4.7%
NZ Jewellers
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 10£1,688 GBP
Retailer 6£1,770 GBP
Retailer 13£1,849 GBP
Retailer 12£1,965 GBP
Retailer 3£2,028 GBP
Retailer 5£2,028 GBP
Retailer 8£2,028 GBP
Retailer 11£2,104 GBP
Retailer 9£2,107 GBP
Retailer 2£2,487 GBP
Retailer 4£3,277 GBP
Retailer 7£3,544 GBP
NZ Jewellers£4,241 GBP

39 data points across 13 retailers

9 retailers£1,688 GBP to £4,241 GBP

A
Cheapest Retailer
-
£1,688 GBP
A
Retailer 2
-
£1,770 GBP
View
B+
Retailer 3
-
£1,965 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,028 GBP
View
B+
Retailer 5
-
£2,104 GBP
View
B+
Retailer 6
-
£2,107 GBP
View
B+
Retailer 7
-
£2,487 GBP
View
B
Retailer 8
-
£3,544 GBP
View
Most Expensive
B
NZ Jewellers
e3d0d73d-053c-4292-88ee-6b7e23614a5d · Nov 5
£4,241 GBP
$5,677 USD
View
8 more retailers have this diamond
Prices start from £1,688 GBPSave up to £2,553 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
1.23ct Princess
£1,688 GBP