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1.50ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 743524173

Shape and cutting style on the report: Round brilliant

Certificate IGI 743524173

Diamond specifications and retailer prices

From £1,442 GBP
As of November 5, 2026
Save £2,314 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,757 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 743524173. Listed at 13 retailers as of November 5, 2026, with prices from £1,442 to £3,757, a £2,314 spread on the same certified stone. NZ Jewellers lists it at £3,757. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 743524173
Dimensions7.47 × 7.52 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.47 mm7.52 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743524173
Side View
Table 61.0%Crown 32.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 58.9%

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 5
Current: £3,757 GBP|Low: £1,442 GBP|High: £3,975 GBP|Avg: £2,111 GBP|-5.5%
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 5, 2026
Retailer 6£1,442 GBP
Retailer 7£1,553 GBP
Retailer 3£1,623 GBP
Retailer 9£1,797 GBP
Retailer 11£1,797 GBP
Retailer 12£1,836 GBP
Retailer 10£1,880 GBP
Retailer 8£1,901 GBP
Retailer 13£2,001 GBP
Retailer 4£2,073 GBP
Retailer 2£2,210 GBP
Retailer 5£2,736 GBP
NZ Jewellers£3,757 GBP

40 data points across 13 retailers

13 retailers£1,442 GBP to £3,757 GBP

A
Cheapest Retailer
-
£1,442 GBP
A
Retailer 2
-
£1,553 GBP
View
B+
Retailer 3
-
£1,623 GBP
View
B+
Retailer 4
-
£1,797 GBP
View
Retailer 5
-
£1,797 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,836 GBP
View
B+
Retailer 7
-
£1,880 GBP
View
B+
Retailer 8
-
£1,901 GBP
View
B+
Retailer 9
-
£2,001 GBP
View
B+
Retailer 10
-
£2,073 GBP
View
B+
Retailer 11
-
£2,210 GBP
View
B
Retailer 12
-
£2,736 GBP
View
Most Expensive
C
NZ Jewellers
273695d6-f9dc-4335-b173-286c1f2fdfe9 · Nov 5
£3,757 GBP
$5,056 USD
View
12 more retailers have this diamond
Prices start from £1,442 GBPSave up to £2,314 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 Round
£1,442 GBP