Radiant|Lab Grown|IGI

1.46ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG778673497

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

Certificate IGI LG778673497

Diamond specifications and retailer prices

From £227 GBP
$304 USD
As of October 30, 2026
Save £2,012 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,239 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.46ct lab-grown radiant diamond

This 1.46ct 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 LG778673497 or 778673497. Listed at 21 retailers as of October 30, 2026, with prices from £227 to £2,239, a £2,012 spread on the same certified stone. Brilliant Earth lists it at £2,239. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778673497
Dimensions8.11 × 5.46 × 3.74 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm5.46 mm1.46 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778673497
Side View
Table 63.0%Crown 43.3°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.5%

Caratlytics Score

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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 30
Current: £2,239 GBP|Low: £217 GBP|High: £2,239 GBP|Avg: £700 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 20
November 1, 2026
Retailer 6£227 GBP
Retailer 4£253 GBP
Retailer 7£281 GBP
Retailer 10£281 GBP
Retailer 2£297 GBP
Retailer 3£377 GBP
Retailer 18£396 GBP
Retailer 17£483 GBP
Retailer 14£498 GBP
Retailer 13£499 GBP
Retailer 9£528 GBP
Retailer 16£685 GBP
Retailer 8£834 GBP
Retailer 20£863 GBP
Retailer 19£903 GBP
Retailer 12£938 GBP
Retailer 11£1,092 GBP
Retailer 15£1,132 GBP
Retailer 5£1,137 GBP
Brilliant Earth£2,239 GBP

37 data points across 20 retailers

21 retailers£227 GBP to £2,239 GBP

A
Cheapest Retailer
-
£227 GBP
$304 USD
A
Retailer 2
-
£253 GBP
$339 USD
View
Final sale: no returns
A
Retailer 3
-
£263 GBP
$352 USD
View
A
Retailer 4
-
£281 GBP
$376 USD
View
A
Retailer 5
-
£281 GBP
$376 USD
View
A
Retailer 6
-
£297 GBP
View
A
Retailer 7
-
£377 GBP
$505 USD
View
A
Retailer 8
-
£396 GBP
$530 USD
View
A
Retailer 9
-
£483 GBP
ZAR 10,447 ZAR
View
A
Retailer 10
-
£498 GBP
€635 EUR
View
A
Retailer 11
-
£499 GBP
View
A
Retailer 12
-
£528 GBP
$708 USD
View
A
Retailer 13
-
£685 GBP
A$1,412 AUD
View
B+
Retailer 14
-
£834 GBP
$1,117 USD
View
B+
Retailer 15
-
£863 GBP
$1,156 USD
View
B+
Retailer 16
-
£903 GBP
$1,210 USD
View
B+
Retailer 17
-
£938 GBP
$1,257 USD
View
B+
Retailer 18
-
£1,092 GBP
View
B+
Retailer 19
-
£1,132 GBP
View
B
Retailer 20
-
£1,137 GBP
$1,524 USD
View
Most Expensive
B
Brilliant Earth
20602825A · Oct 31
£2,239 GBP
$3,000 USD
View
20 more retailers have this diamond
Prices start from £227 GBPSave up to £2,012 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
1.46ct Radiant
£227 GBP