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Princess|Natural|IGI

1.50ct L SI1 Princess Natural Diamond

EX • L/SI1 • IGI 689598898

Shape and cutting style on the report: Princess cut

Certificate IGI 689598898

Diamond specifications and retailer prices

From £1,577 GBP
As of November 4, 2026
Save £2,074 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,651 GBP at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 689598898. Listed at 13 retailers as of November 4, 2026, with prices from £1,577 to £3,651, a £2,074 spread on the same certified stone. NZ Jewellers lists it at £3,651. 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

1.50
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 689598898
Dimensions6.36 × 6.28 × 4.58 mm
L/W Ratio1.01
Culet sizePointed
Top View
6.36 mm6.28 mm1.50 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 689598898
Side View
Table 73.0%Crown 47.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 72.9%

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: £3,651 GBP|Low: £1,577 GBP|High: £3,651 GBP|Avg: £2,013 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 12£1,577 GBP
Retailer 11£1,660 GBP
Retailer 2£1,717 GBP
Retailer 3£1,746 GBP
Retailer 5£1,746 GBP
Retailer 14£1,746 GBP
Retailer 9£1,827 GBP
Retailer 10£1,837 GBP
Retailer 4£1,850 GBP
Retailer 13£2,015 GBP
Retailer 8£2,131 GBP
Retailer 7£2,169 GBP
Retailer 6£2,473 GBP
NZ Jewellers£3,651 GBP

45 data points across 14 retailers

13 retailers£1,577 GBP to £3,651 GBP

A
Cheapest Retailer
-
£1,577 GBP
B+
Retailer 2
-
£1,660 GBP
View
A
Retailer 3
-
£1,717 GBP
View
Retailer 4
-
£1,746 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,746 GBP
View
B+
Retailer 6
-
£1,746 GBP
View
B+
Retailer 7
-
£1,827 GBP
View
B+
Retailer 8
-
£1,837 GBP
View
B+
Retailer 9
-
£1,850 GBP
View
B+
Retailer 10
-
£2,015 GBP
View
B+
Retailer 11
-
£2,131 GBP
View
B
Retailer 12
-
£2,169 GBP
View
Most Expensive
C
NZ Jewellers
8c83bbb4-21a4-43d2-b5ef-db0140fa5535 · Nov 5
£3,651 GBP
$4,914 USD
View
12 more retailers have this diamond
Prices start from £1,577 GBPSave up to £2,074 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
1.50ct Princess
£1,577 GBP