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1.54ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 635472982

Shape and cutting style on the report: Round brilliant

Certificate IGI 635472982

Diamond specifications and retailer prices

From £565 GBP
As of November 5, 2026
Save £1,323 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,887 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 635472982. Listed at 8 retailers as of November 5, 2026, with prices from £565 to £1,887, a £1,323 spread on the same certified stone. NZ Jewellers lists it at £1,887. 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

1.54
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 635472982
Dimensions7.43 × 7.46 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.43 mm7.46 mm1.54 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635472982
Side View
Table 59.0%Crown 33.2°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 60.0%

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 5
Current: £1,887 GBP|Low: £565 GBP|High: £1,887 GBP|Avg: £924 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£565 GBP
Retailer 4£756 GBP
Retailer 7£774 GBP
Retailer 9£774 GBP
Retailer 6£804 GBP
Retailer 10£841 GBP
Retailer 11£873 GBP
Retailer 8£893 GBP
Retailer 3£921 GBP
Retailer 5£1,039 GBP
NZ Jewellers£1,887 GBP

43 data points across 11 retailers

8 retailers£565 GBP to £1,887 GBP

A
Cheapest Retailer
-
£565 GBP
B+
Retailer 2
-
£756 GBP
View
Retailer 3
-
£774 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£774 GBP
View
B+
Retailer 5
-
£804 GBP
View
B+
Retailer 6
-
£873 GBP
View
B+
Retailer 7
-
£893 GBP
View
Most Expensive
B+
NZ Jewellers
f1f96dba-fd20-437a-8839-75a9b3a23e5d · Nov 5
£1,887 GBP
$2,540 USD
View
7 more retailers have this diamond
Prices start from £565 GBPSave up to £1,323 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
1.54ct Round
£565 GBP