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Radiant|Lab Grown|IGI

1.90ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG774610930

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

Certificate IGI LG774610930

Diamond specifications and retailer prices

From £226 GBP
$301 USD
As of October 30, 2026
Save £3,491 GBP (94%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,717 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.9ct lab-grown radiant diamond

This 1.9ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG774610930 or 774610930. Listed at 17 retailers as of October 29, 2026, with prices from £226 to £3,717, a £3,491 spread on the same certified stone. Brilliant Earth lists it at £3,717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774610930
Dimensions8.54 × 6.37 × 4.20 mm
L/W Ratio1.34
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
8.54 mm6.37 mm1.90 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774610930
Side View
Table 60.0%Crown 42.4°Girdle: MediumPavilion 34.7°Culet: NoneDepth 65.9%

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: £3,717 GBP|Low: £206 GBP|High: £3,837 GBP|Avg: £1,120 GBP|-3.1%
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
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Retailer 15
October 29, 2026
Retailer 5£257 GBP
Retailer 13£353 GBP
Retailer 11£371 GBP
Retailer 10£396 GBP
Retailer 3£487 GBP
Retailer 12£517 GBP
Retailer 8£720 GBP
Retailer 15£767 GBP
Retailer 9£914 GBP
Retailer 7£994 GBP
Retailer 6£1,078 GBP
Retailer 2£1,246 GBP
Retailer 4£2,005 GBP
Retailer 14£2,091 GBP
Brilliant Earth£3,717 GBP

38 data points across 15 retailers

17 retailers£226 GBP to £3,717 GBP

A
Cheapest Retailer
-
£226 GBP
$301 USD
A
Retailer 2
-
£257 GBP
$342 USD
View
Final sale: no returns
A
Retailer 3
-
£262 GBP
$349 USD
View
A
Retailer 4
-
£353 GBP
$470 USD
View
A
Retailer 5
-
£371 GBP
$494 USD
View
B+
Retailer 6
-
£396 GBP
$528 USD
View
A
Retailer 7
-
£487 GBP
$648 USD
View
Retailer 8
-
£517 GBP
€656 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£720 GBP
A$1,476 AUD
View
A
Retailer 10
-
£767 GBP
$1,022 USD
View
A
Retailer 11
-
£914 GBP
$1,217 USD
View
A
Retailer 12
-
£994 GBP
$1,324 USD
View
B+
Retailer 13
-
£1,078 GBP
$1,436 USD
View
B+
Retailer 14
-
£1,246 GBP
View
B+
Retailer 15
-
£2,005 GBP
$2,670 USD
View
Retailer 16
-
£2,091 GBP
$2,785 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21399561Y · Oct 29
£3,717 GBP
$4,950 USD
View
16 more retailers have this diamond
Prices start from £226 GBPSave up to £3,491 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
1.90ct Radiant
£226 GBP