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1.42ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 3555869322

Certificate GIA 3555869322

Diamond specifications and retailer prices

From £1,735 GBP
As of November 1, 2026
Save £2,418 GBP (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,153 GBP at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555869322. Listed at 7 retailers as of November 1, 2026, with prices from £1,735 to £4,153, a £2,418 spread on the same certified stone. NZ Jewellers lists it at £4,153. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555869322
Dimensions7.24 × 7.21 × 4.41 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Knot
Top View
7.24 mm7.21 mm1.42 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555869322
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,153 GBP|Low: £1,727 GBP|High: £4,210 GBP|Avg: £2,346 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£1,735 GBP
Retailer 2£1,953 GBP
Retailer 6£1,986 GBP
Retailer 4£2,063 GBP
Retailer 7£2,166 GBP
Retailer 3£2,427 GBP
NZ Jewellers£4,153 GBP

38 data points across 7 retailers

7 retailers£1,735 GBP to £4,153 GBP

B+
Cheapest Retailer
-
£1,735 GBP
B+
Retailer 2
-
£1,953 GBP
View
B+
Retailer 3
-
£1,986 GBP
View
B
Retailer 4
-
£2,063 GBP
View
B
Retailer 5
-
£2,166 GBP
View
B
Retailer 6
-
£2,427 GBP
View
Most Expensive
B
NZ Jewellers
698318e5-fcb7-4e9d-99da-c532b957d4a4 · Nov 5
£4,153 GBP
$5,589 USD
View
6 more retailers have this diamond
Prices start from £1,735 GBPSave up to £2,418 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.

B+
1.42ct Round
£1,735 GBP