Radiant|Lab Grown|IGI

1.42ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG662464741

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG662464741

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 30, 2026
Save £1,531 GBP (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,702 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.42ct lab-grown radiant diamond

This 1.42ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662464741 or 662464741. Listed at 28 retailers as of October 30, 2026, with prices from £170 to £1,702, a £1,531 spread on the same certified stone. Brilliant Earth lists it at £1,702. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662464741
Dimensions7.98 × 5.63 × 3.65 mm
L/W Ratio1.42
Culet sizePointed
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
7.98 mm5.63 mm1.42 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662464741
Side View
Table 63.0%Crown 40.7°Girdle: MediumPavilion 32.7°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,702 GBP|Low: £170 GBP|High: £2,157 GBP|Avg: £663 GBP|-21.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3£170 GBP
Retailer 13£199 GBP
Retailer 5£325 GBP
Retailer 4£328 GBP
Retailer 9£387 GBP
Retailer 7£396 GBP
Retailer 11£400 GBP
Retailer 2£443 GBP
Retailer 12£566 GBP
Retailer 8£608 GBP
Retailer 16£680 GBP
Retailer 15£936 GBP
Retailer 6£937 GBP
Retailer 10£945 GBP
Retailer 14£1,485 GBP
Brilliant Earth£1,702 GBP

44 data points across 16 retailers

28 retailers£170 GBP to £1,702 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
Retailer 2
-
£170 GBP
$228 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£170 GBP
$228 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£197 GBP
$264 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
£199 GBP
$266 USD
View
Final sale: no returns
Retailer 6
-
£208 GBP
$279 USD
View
Price last confirmed 33 days ago
Retailer 7
-
£210 GBP
$282 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
£325 GBP
HK$3,400 HKD
View
A
Retailer 9
-
£328 GBP
$440 USD
View
A
Retailer 10
-
£387 GBP
€494 EUR
View
A
Retailer 11
-
£396 GBP
$531 USD
View
A
Retailer 12
-
£400 GBP
ZAR 8,648 ZAR
View
A
Retailer 13
-
£443 GBP
View
A
Retailer 14
-
£513 GBP
$687 USD
View
A
Retailer 15
-
£566 GBP
A$1,167 AUD
View
A
Retailer 16
-
£608 GBP
$815 USD
View
B+
Retailer 17
-
£680 GBP
$911 USD
View
Retailer 18
-
£748 GBP
$1,002 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
£748 GBP
$1,002 USD
View
Retailer 20
-
£748 GBP
$1,002 USD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
£875 GBP
$1,172 USD
View
B+
Retailer 22
-
£936 GBP
View
B+
Retailer 23
-
£937 GBP
SGD 1,697 SGD
View
B+
Retailer 24
-
£945 GBP
A$1,947 AUD
View
B+
Retailer 25
-
£956 GBP
$1,281 USD
View
Retailer 26
-
£1,485 GBP
$1,990 USD
View
Price last confirmed 11 days ago
B
Retailer 27
-
£1,634 GBP
$2,190 USD
View
Most Expensive
B
Brilliant Earth
12545145Y · Oct 31
£1,702 GBP
$2,280 USD
View
27 more retailers have this diamond
Prices start from £170 GBPSave up to £1,531 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 Radiant
£170 GBP