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Princess|Natural|IGI

1.50ct G I1 Princess Natural Diamond

VG • G/I1 • IGI 729536790

Shape and cutting style on the report: Princess cut

Certificate IGI 729536790

Diamond specifications and retailer prices

From £1,897 GBP
$2,542 USD
As of October 30, 2026
Save £2,531 GBP (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,428 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 729536790. Listed at 8 retailers as of October 30, 2026, with prices from £1,897 to £4,428, a £2,531 spread on the same certified stone. NZ Jewellers lists it at £4,428. 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

1.50
Carat
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.2°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 729536790
Dimensions6.19 × 5.91 × 4.44 mm
L/W Ratio1.05
Culet sizePointed
Top View
6.19 mm5.91 mm1.50 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 729536790
Side View
Table 74.0%Crown 50.2°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 75.1%

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: Oct 30
Current: £4,428 GBP|Low: £1,478 GBP|High: £4,428 GBP|Avg: £2,386 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10£1,478 GBP
Retailer 9£1,897 GBP
Retailer 4£2,023 GBP
Retailer 6£2,118 GBP
Retailer 7£2,118 GBP
Retailer 3£2,199 GBP
Retailer 5£2,443 GBP
Retailer 2£2,479 GBP
Retailer 8£2,520 GBP
NZ Jewellers£4,428 GBP

16 data points across 10 retailers

8 retailers£1,897 GBP to £4,428 GBP

B+
Cheapest Retailer
-
£1,897 GBP
$2,542 USD
B+
Retailer 2
-
£2,023 GBP
$2,711 USD
View
B+
Retailer 3
-
£2,118 GBP
$2,838 USD
View
B+
Retailer 4
-
£2,118 GBP
$2,838 USD
View
B+
Retailer 5
-
£2,199 GBP
$2,947 USD
View
B+
Retailer 6
-
£2,443 GBP
$3,274 USD
View
B+
Retailer 7
-
£2,479 GBP
€3,164 EUR
View
Most Expensive
B
NZ Jewellers
b5b5dd95-00ed-42b5-bfd1-990bb7613e51 · Oct 30
£4,428 GBP
$5,933 USD
View
7 more retailers have this diamond
Prices start from £1,897 GBPSave up to £2,531 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+
1.50ct Princess
£1,897 GBP