CaratHunter
Plans
Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816616274

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

Certificate IGI LG816616274

Diamond specifications and retailer prices

From £263 GBP
$350 USD
As of October 30, 2026
Save £2,103 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,365 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616274 or 816616274. Listed at 18 retailers as of October 29, 2026, with prices from £263 to £2,365, a £2,103 spread on the same certified stone. Brilliant Earth lists it at £2,365. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616274
Dimensions7.62 × 5.62 × 3.83 mm
L/W Ratio1.36
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
7.62 mm5.62 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616274
Side View
Table 62.0%Crown 44.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.1%

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 30
Current: £2,365 GBP|Low: £263 GBP|High: £2,365 GBP|Avg: £927 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
October 30, 2026
Retailer 14£263 GBP
Retailer 13£390 GBP
Retailer 10£450 GBP
Retailer 8£472 GBP
Retailer 2£485 GBP
Retailer 4£508 GBP
Retailer 12£776 GBP
Retailer 9£843 GBP
Retailer 11£919 GBP
Retailer 6£1,009 GBP
Retailer 7£1,106 GBP
Retailer 5£1,141 GBP
Retailer 3£2,178 GBP
Brilliant Earth£2,365 GBP

28 data points across 14 retailers

18 retailers£263 GBP to £2,365 GBP

A
Cheapest Retailer
-
£263 GBP
$350 USD
Final sale: no returns
Retailer 2
-
£291 GBP
$388 USD
View
Price last confirmed 28 days ago
Retailer 3
-
£340 GBP
$453 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£376 GBP
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
£390 GBP
$520 USD
View
A
Retailer 6
-
£450 GBP
$599 USD
View
A
Retailer 7
-
£472 GBP
ZAR 10,150 ZAR
View
A
Retailer 8
-
£485 GBP
View
A
Retailer 9
-
£508 GBP
€644 EUR
View
B+
Retailer 10
-
£776 GBP
$1,034 USD
View
B+
Retailer 11
-
£843 GBP
$1,123 USD
View
B+
Retailer 12
-
£919 GBP
$1,224 USD
View
B+
Retailer 13
-
£1,009 GBP
SGD 1,815 SGD
View
B
Retailer 14
-
£1,106 GBP
View
B
Retailer 15
-
£1,141 GBP
$1,519 USD
View
Retailer 16
-
£1,210 GBP
$1,611 USD
View
Price last confirmed 29 days ago
Retailer 17
-
£2,178 GBP
$2,900 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21434362A · Oct 29
£2,365 GBP
$3,150 USD
View
17 more retailers have this diamond
Prices start from £263 GBPSave up to £2,103 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
1.40ct Radiant
£263 GBP