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Princess|Natural|IGI

1.23ct K SI2 Princess Natural Diamond

VG • K/SI2 • IGI 530201843

Shape and cutting style on the report: Princess cut

Certificate IGI 530201843

Diamond specifications and retailer prices

From £893 GBP
As of November 4, 2026
Save £1,457 GBP (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,350 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 530201843. Listed at 12 retailers as of November 4, 2026, with prices from £893 to £2,350, a £1,457 spread on the same certified stone. NZ Jewellers lists it at £2,350. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle52°
Pavilion angle38.3°
OriginNatural
Grading LabIGI
CertificateIGI 530201843
Dimensions5.73 × 5.57 × 4.18 mm
L/W Ratio1.03
Culet sizePointed
Top View
5.73 mm5.57 mm1.23 ctK / SI2
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 530201843
Side View
Table 72.0%Crown 52°Girdle: ThickPavilion 38.3°Culet: NoneDepth 75.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,350 GBP|Low: £548 GBP|High: £2,350 GBP|Avg: £1,186 GBP
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
Retailer 14
November 6, 2026
Retailer 6£548 GBP
Retailer 4£893 GBP
Retailer 8£944 GBP
Retailer 11£964 GBP
Retailer 13£964 GBP
Retailer 9£1,001 GBP
Retailer 10£1,005 GBP
Retailer 14£1,063 GBP
Retailer 12£1,112 GBP
Retailer 3£1,146 GBP
Retailer 2£1,337 GBP
Retailer 5£1,496 GBP
Retailer 7£1,759 GBP
NZ Jewellers£2,350 GBP

24 data points across 14 retailers

12 retailers£893 GBP to £2,350 GBP

B+
Cheapest Retailer
-
£893 GBP
B+
Retailer 2
-
£906 GBP
View
B+
Retailer 3
-
£944 GBP
View
Retailer 4
-
£964 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£964 GBP
View
B+
Retailer 6
-
£1,001 GBP
View
B+
Retailer 7
-
£1,005 GBP
View
B+
Retailer 8
-
£1,063 GBP
View
B+
Retailer 9
-
£1,112 GBP
View
B+
Retailer 10
-
£1,337 GBP
View
B
Retailer 11
-
£1,759 GBP
View
Most Expensive
C
NZ Jewellers
813998b6-c101-4c00-9902-ea24c9ecaf78 · Nov 5
£2,350 GBP
$3,163 USD
View
11 more retailers have this diamond
Prices start from £893 GBPSave up to £1,457 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.

B+
1.23ct Princess
£893 GBP