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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

VG • E/FL • IGI LG783638118

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

Certificate IGI LG783638118

Diamond specifications and retailer prices

From £1,652 GBP
$2,200 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: £1,652 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG783638118 or 783638118. Listed at 3 retailers as of October 29, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638118
Dimensions7.13 × 4.85 × 3.44 mm
L/W Ratio1.47
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
7.13 mm4.85 mm1.05 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638118
Side View
Table 60.0%Crown 46.4°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 70.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £1,652 GBP|Low: £194 GBP|High: £2,065 GBP|Avg: £948 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 18, 2026
Retailer 9£194 GBP
Retailer 7£410 GBP
Retailer 6£462 GBP
Retailer 8£510 GBP
Retailer 4£587 GBP
Retailer 5£641 GBP
Retailer 12£797 GBP
Retailer 11£932 GBP
Retailer 2£1,483 GBP
Retailer 3£1,614 GBP
Brilliant Earth£1,652 GBP
Retailer 10£2,065 GBP

8 data points across 12 retailers

3 retailers

Retailer 1
-
£641 GBP
$854 USD
Price last confirmed 24 days ago
Retailer 2
-
£1,483 GBP
$1,975 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21402336Y · Oct 29
£1,652 GBP
$2,200 USD
View
2 more retailers have this diamond

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
1.05ct Radiant
£1,652 GBP