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1.42ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 632413348

Shape and cutting style on the report: Round brilliant

Certificate IGI 632413348

Diamond specifications and retailer prices

From £1,126 GBP
As of November 1, 2026
Save £526 GBP (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,652 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.42ct natural round diamond

This 1.42ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 632413348. Listed at 11 retailers as of November 1, 2026, with prices from £1,126 to £1,652, a £526 spread on the same certified stone. Yorxs lists it at £1,652. 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

1.42
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 632413348
Dimensions7.10 × 7.14 × 4.52 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
7.10 mm7.14 mm1.42 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 632413348
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

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 1
Current: £1,200 GBP|Low: £1,126 GBP|High: £2,048 GBP|Avg: £1,391 GBP|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
November 1, 2026
Retailer 7£1,126 GBP
Retailer 1£1,200 GBP
Retailer 8£1,210 GBP
Retailer 2£1,214 GBP
Retailer 6£1,214 GBP
Retailer 5£1,270 GBP
Retailer 11£1,271 GBP
Retailer 9£1,315 GBP
Retailer 10£1,401 GBP
Retailer 4£1,482 GBP
Yorxs£1,652 GBP
Retailer 3£2,048 GBP

34 data points across 12 retailers

11 retailers£1,126 GBP to £1,652 GBP

A
Cheapest Retailer
-
£1,126 GBP
A
Retailer 2
-
£1,200 GBP
View
A
Retailer 3
-
£1,210 GBP
View
A
Retailer 4
-
£1,214 GBP
View
Retailer 5
-
£1,214 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£1,270 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,271 GBP
View
B+
Retailer 8
-
£1,315 GBP
View
B+
Retailer 9
-
£1,401 GBP
View
B+
Retailer 10
-
£1,482 GBP
View
Most Expensive
B+
Yorxs
8348548FC · Nov 1
£1,652 GBP
€2,117 EUR
View
10 more retailers have this diamond
Prices start from £1,126 GBPSave up to £526 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
1.42ct Round
£1,126 GBP