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Princess|Natural|IGI

1.51ct F SI2 Princess Natural Diamond

VG • F/SI2 • IGI 729536792

Shape and cutting style on the report: Princess cut

Certificate IGI 729536792

Diamond specifications and retailer prices

From £2,283 GBP
$3,064 USD
As of November 1, 2026
Save £2,198 GBP (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,482 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536792. Listed at 15 retailers as of October 27, 2026, with prices from £2,283 to £4,482, a £2,198 spread on the same certified stone. NZ Jewellers lists it at £4,482. 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

1.51
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle48°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 729536792
Dimensions6.33 × 6.25 × 4.64 mm
L/W Ratio1.01
Culet sizePointed
Top View
6.33 mm6.25 mm1.51 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536792
Side View
Table 73.0%Crown 48°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 74.2%

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 1
Current: £4,482 GBP|Low: £2,176 GBP|High: £4,482 GBP|Avg: £2,844 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
Retailer 15
November 2, 2026
Retailer 7£2,283 GBP
Retailer 15£2,347 GBP
Retailer 13£2,374 GBP
Retailer 8£2,424 GBP
Retailer 4£2,450 GBP
Retailer 14£2,463 GBP
Retailer 3£2,572 GBP
Retailer 11£2,572 GBP
Retailer 2£2,672 GBP
Retailer 6£2,680 GBP
Retailer 12£2,968 GBP
Retailer 9£3,010 GBP
Retailer 5£3,061 GBP
Retailer 10£4,302 GBP
NZ Jewellers£4,482 GBP

45 data points across 15 retailers

15 retailers£2,283 GBP to £4,482 GBP

A
Cheapest Retailer
-
£2,283 GBP
$3,064 USD
A
Retailer 2
-
£2,347 GBP
$3,150 USD
View
A
Retailer 3
-
£2,374 GBP
$3,186 USD
View
Final sale: no returns
A
Retailer 4
-
£2,424 GBP
View
A
Retailer 5
-
£2,450 GBP
A$5,058 AUD
View
A
Retailer 6
-
£2,463 GBP
$3,305 USD
View
A
Retailer 7
-
£2,572 GBP
$3,452 USD
View
A
Retailer 8
-
£2,572 GBP
$3,452 USD
View
B+
Retailer 9
-
£2,672 GBP
$3,585 USD
View
B+
Retailer 10
-
£2,680 GBP
$3,597 USD
View
B+
Retailer 11
-
£2,968 GBP
$3,983 USD
View
A
Retailer 12
-
£3,010 GBP
€3,847 EUR
View
B+
Retailer 13
-
£4,302 GBP
View
B+
Retailer 14
-
£4,482 GBP
$6,014 USD
View
Most Expensive
B+
NZ Jewellers
48e07962-6121-40b5-84f2-35d83fcdc55c · Oct 27
£4,482 GBP
$6,014 USD
View
14 more retailers have this diamond
Prices start from £2,283 GBPSave up to £2,198 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
1.51ct Princess
£2,283 GBP