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Round|Lab Grown|IGI

1.42ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840633338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633338

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 29, 2026
Save £1,252 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,474 GBP at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840633338 or 840633338. Listed at 21 retailers as of October 25, 2026, with prices from £222 to £1,474, a £1,252 spread on the same certified stone. Rare Carat lists it at £1,474. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633338
Dimensions7.21 × 7.25 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm7.25 mm1.42 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633338
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: Oct 29
Current: £1,474 GBP|Low: £222 GBP|High: £1,634 GBP|Avg: £655 GBP|-0.5%
Rare Carat
Retailer 2
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Retailer 21
October 30, 2026
Retailer 9£222 GBP
Retailer 10£248 GBP
Retailer 4£257 GBP
Retailer 5£275 GBP
Retailer 11£275 GBP
Retailer 3£433 GBP
Retailer 18£446 GBP
Retailer 15£448 GBP
Retailer 6£449 GBP
Retailer 8£466 GBP
Retailer 17£472 GBP
Retailer 13£484 GBP
Retailer 7£658 GBP
Retailer 21£843 GBP
Retailer 20£881 GBP
Retailer 12£883 GBP
Retailer 14£919 GBP
Retailer 19£978 GBP
Retailer 16£1,106 GBP
Retailer 2£1,463 GBP
Rare Carat£1,474 GBP

22 data points across 21 retailers

21 retailers£222 GBP to £1,474 GBP

A
Cheapest Retailer
-
£222 GBP
$297 USD
A
Retailer 2
-
£248 GBP
$332 USD
View
Final sale: no returns
A
Retailer 3
-
£257 GBP
$344 USD
View
A
Retailer 4
-
£275 GBP
$368 USD
View
A
Retailer 5
-
£275 GBP
$368 USD
View
A
Retailer 6
-
£433 GBP
$580 USD
View
Retailer 7
-
£446 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£448 GBP
€572 EUR
View
A
Retailer 9
-
£449 GBP
$602 USD
View
A
Retailer 10
-
£466 GBP
$624 USD
View
A
Retailer 11
-
£472 GBP
ZAR 10,213 ZAR
View
A
Retailer 12
-
£484 GBP
View
A
Retailer 13
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£658 GBP
$882 USD
View
B+
Retailer 14
-
£843 GBP
$1,130 USD
View
B+
Retailer 15
-
£881 GBP
SGD 1,595 SGD
View
B+
Retailer 16
-
£883 GBP
$1,183 USD
View
B+
Retailer 17
-
£919 GBP
$1,231 USD
View
B+
Retailer 18
-
£978 GBP
$1,310 USD
View
B+
Retailer 19
-
£1,106 GBP
View
B
Retailer 20
-
£1,463 GBP
$1,960 USD
View
Most Expensive
B
Rare Carat
PD-250294 · Oct 25
£1,474 GBP
$1,975 USD
View
20 more retailers have this diamond
Prices start from £222 GBPSave up to £1,252 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
£222 GBP