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Oval|Lab Grown|IGI

1.40ct E FL Oval Lab Grown Diamond

VG • E/FL • IGI LG840634492

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840634492

Diamond specifications and retailer prices

From £226 GBP
$301 USD
As of October 30, 2026
Save £2,038 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,264 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval 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 very-good cut grade and certified by IGI LG840634492 or 840634492. Listed at 11 retailers as of October 28, 2026, with prices from £226 to £2,264, a £2,038 spread on the same certified stone. Rare Carat lists it at £2,264. 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

1.40
Carat
E
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634492
Dimensions8.96 × 6.37 × 3.83 mm
L/W Ratio1.41
Girdle conditionFaceted
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
8.96 mm6.37 mm1.40 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634492
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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: £2,264 GBP|Low: £226 GBP|High: £2,264 GBP|Avg: £709 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11£226 GBP
Retailer 2£266 GBP
Retailer 9£368 GBP
Retailer 7£415 GBP
Retailer 6£430 GBP
Retailer 4£480 GBP
Retailer 8£770 GBP
Retailer 10£770 GBP
Retailer 3£839 GBP
Retailer 5£1,009 GBP
Rare Carat£2,264 GBP

11 data points across 11 retailers

11 retailers£226 GBP to £2,264 GBP

A
Cheapest Retailer
-
£226 GBP
$301 USD
Final sale: no returns
A
Retailer 2
-
£266 GBP
View
A
Retailer 3
-
£368 GBP
$490 USD
View
A
Retailer 4
-
£415 GBP
$553 USD
View
A
Retailer 5
-
£430 GBP
ZAR 9,257 ZAR
View
A
Retailer 6
-
£480 GBP
View
B+
Retailer 7
-
£770 GBP
$1,025 USD
View
B+
Retailer 8
-
£770 GBP
$1,025 USD
View
B+
Retailer 9
-
£839 GBP
SGD 1,509 SGD
View
B
Retailer 10
-
£1,009 GBP
View
Most Expensive
B
Rare Carat
PD-254723 · Oct 28
£2,264 GBP
$3,015 USD
View
10 more retailers have this diamond
Prices start from £226 GBPSave up to £2,038 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 Oval
£226 GBP