CaratHunter
Plans
Radiant|Lab Grown|IGI

1.04ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG840635004

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

Certificate IGI LG840635004

Diamond specifications and retailer prices

From £169 GBP
$224 USD
As of October 27, 2026
Save £1,480 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,648 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840635004 or 840635004. Listed at 21 retailers as of October 27, 2026, with prices from £169 to £1,648, a £1,480 spread on the same certified stone. Brilliant Earth lists it at £1,648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635004
Dimensions7.23 × 4.96 × 3.36 mm
L/W Ratio1.46
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
7.23 mm4.96 mm1.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635004
Side View
Table 66.0%Crown 42.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,648 GBP|Low: £169 GBP|High: £1,648 GBP|Avg: £603 GBP
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 8£169 GBP
Retailer 20£193 GBP
Retailer 18£196 GBP
Retailer 7£209 GBP
Retailer 17£209 GBP
Retailer 13£223 GBP
Retailer 21£356 GBP
Retailer 16£360 GBP
Retailer 19£385 GBP
Retailer 15£388 GBP
Retailer 10£393 GBP
Retailer 4£450 GBP
Retailer 12£642 GBP
Retailer 6£673 GBP
Retailer 3£675 GBP
Retailer 5£712 GBP
Retailer 14£838 GBP
Retailer 2£843 GBP
Retailer 11£1,407 GBP
Retailer 9£1,483 GBP
Brilliant Earth£1,648 GBP

14 data points across 21 retailers

21 retailers£169 GBP to £1,648 GBP

A
Cheapest Retailer
-
£169 GBP
$224 USD
A
Retailer 2
-
£193 GBP
$256 USD
View
Final sale: no returns
A
Retailer 3
-
£196 GBP
$260 USD
View
A
Retailer 4
-
£209 GBP
$278 USD
View
A
Retailer 5
-
£209 GBP
$278 USD
View
A
Retailer 6
-
£223 GBP
View
A
Retailer 7
-
£356 GBP
$473 USD
View
A
Retailer 8
-
£360 GBP
ZAR 7,719 ZAR
View
A
Retailer 9
-
£385 GBP
$512 USD
View
A
Retailer 10
-
£388 GBP
View
A
Retailer 11
-
£393 GBP
€497 EUR
View
A
Retailer 12
-
£450 GBP
$598 USD
View
B+
Retailer 13
-
£642 GBP
SGD 1,152 SGD
View
B+
Retailer 14
-
£673 GBP
$894 USD
View
B+
Retailer 15
-
£675 GBP
$897 USD
View
B+
Retailer 16
-
£712 GBP
$947 USD
View
B
Retailer 17
-
£838 GBP
$1,113 USD
View
B+
Retailer 18
-
£843 GBP
View
B
Retailer 19
-
£1,407 GBP
$1,869 USD
View
B
Retailer 20
-
£1,483 GBP
$1,970 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22142763A · Oct 28
£1,648 GBP
$2,190 USD
View
20 more retailers have this diamond
Prices start from £169 GBPSave up to £1,480 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
1.04ct Radiant
£169 GBP