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1.52ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 480138334

Shape and cutting style on the report: Round brilliant

Certificate IGI 480138334

Diamond specifications and retailer prices

From £1,648 GBP
As of November 6, 2026
Save £2,165 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,813 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.52ct natural round diamond

This 1.52ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 480138334. Listed at 10 retailers as of November 5, 2026, with prices from £1,648 to £3,813, a £2,165 spread on the same certified stone. NZ Jewellers lists it at £3,813. 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

1.52
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 480138334
Dimensions7.36 × 7.39 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.36 mm7.39 mm1.52 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 480138334
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.0%

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 6
Current: £3,813 GBP|Low: £1,648 GBP|High: £3,813 GBP|Avg: £2,218 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
November 5, 2026
Retailer 8£1,648 GBP
Retailer 4£1,813 GBP
Retailer 7£1,824 GBP
Retailer 13£1,824 GBP
Retailer 11£1,908 GBP
Retailer 3£1,927 GBP
Retailer 10£2,021 GBP
Retailer 12£2,104 GBP
Retailer 2£2,226 GBP
Retailer 6£2,259 GBP
Retailer 9£2,574 GBP
Retailer 5£2,918 GBP
NZ Jewellers£3,813 GBP

20 data points across 13 retailers

10 retailers£1,648 GBP to £3,813 GBP

A
Cheapest Retailer
-
£1,648 GBP
B+
Retailer 2
-
£1,813 GBP
View
B+
Retailer 3
-
£1,824 GBP
View
B+
Retailer 4
-
£1,908 GBP
View
B+
Retailer 5
-
£1,927 GBP
View
B+
Retailer 6
-
£2,104 GBP
View
B+
Retailer 7
-
£2,226 GBP
View
B+
Retailer 8
-
£2,259 GBP
View
B
Retailer 9
-
£2,574 GBP
View
Most Expensive
C
NZ Jewellers
d4470c88-78f8-4424-8051-f53744b4a1ed · Nov 5
£3,813 GBP
$5,132 USD
View
9 more retailers have this diamond
Prices start from £1,648 GBPSave up to £2,165 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
1.52ct Round
£1,648 GBP