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Round|Natural|GIA

1.42ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7538383383

Certificate GIA 7538383383

Diamond specifications and retailer prices

From £1,173 GBP
As of November 5, 2026
Save £2,107 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,299 GBP at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7538383383. Listed at 14 retailers as of November 5, 2026, with a 180% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7538383383
Dimensions7.16 × 7.11 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Knot, Needle
Top View
7.16 mm7.11 mm1.42 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538383383
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

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: £3,280 GBP|Low: £1,173 GBP|High: £3,299 GBP|Avg: £1,761 GBP|-0.6%
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 6, 2026
Retailer 9£1,173 GBP
Retailer 12£1,423 GBP
Retailer 2£1,563 GBP
Retailer 11£1,569 GBP
Retailer 3£1,577 GBP
Retailer 4£1,578 GBP
Retailer 13£1,648 GBP
Retailer 6£1,672 GBP
Retailer 10£1,712 GBP
Retailer 7£1,810 GBP
Retailer 5£1,907 GBP
Retailer 8£1,995 GBP
NZ Jewellers£3,280 GBP

23 data points across 13 retailers

14 retailers£1,173 GBP to £3,280 GBP

A
Cheapest Retailer
-
£1,173 GBP
A
Retailer 2
-
£1,423 GBP
View
A
Retailer 3
-
£1,563 GBP
View
B+
Retailer 4
-
£1,569 GBP
View
B+
Retailer 5
-
£1,577 GBP
View
Retailer 6
-
£1,578 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£1,648 GBP
View
B+
Retailer 8
-
£1,672 GBP
View
B+
Retailer 9
-
£1,712 GBP
View
B+
Retailer 10
-
£1,810 GBP
View
Retailer 11
-
£1,820 GBP
View
Price last confirmed 68 days ago
B
Retailer 12
-
£1,995 GBP
View
B
Retailer 13
-
£3,280 GBP
View
Most Expensive
NZ Jewellers
703fc0b0-6eb3-4ea7-b94d-99e7159e3217 · Aug 29
£3,299 GBP
$4,440 USD
View
Price last confirmed 68 days ago
13 more retailers have this diamond
Prices start from £1,173 GBPSave up to £2,107 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
£1,173 GBP