CaratHunter
Plans
Oval|Lab Grown|IGI

1.40ct F FL Oval Lab Grown Diamond

ID • F/FL • IGI LG836617817

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836617817

Diamond specifications and retailer prices

From £223 GBP
$299 USD
As of October 30, 2026
Save £1,594 GBP (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,817 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 F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617817 or 836617817. Listed at 16 retailers as of October 28, 2026, with prices from £223 to £1,817, a £1,594 spread on the same certified stone. Rare Carat lists it at £1,817. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617817
Dimensions8.87 × 6.30 × 3.95 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
8.87 mm6.30 mm1.40 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617817
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.7%

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 30
Current: £1,817 GBP|Low: £223 GBP|High: £2,545 GBP|Avg: £761 GBP|-0.6%
Rare Carat
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
October 31, 2026
Retailer 4£223 GBP
Retailer 14£247 GBP
Retailer 11£262 GBP
Retailer 13£384 GBP
Retailer 15£411 GBP
Retailer 2£412 GBP
Retailer 12£425 GBP
Retailer 9£474 GBP
Retailer 16£760 GBP
Retailer 3£787 GBP
Retailer 7£807 GBP
Retailer 5£833 GBP
Retailer 8£887 GBP
Retailer 6£1,010 GBP
Retailer 10£1,627 GBP
Rare Carat£1,817 GBP

29 data points across 16 retailers

16 retailers£223 GBP to £1,817 GBP

A
Cheapest Retailer
-
£223 GBP
$299 USD
Final sale: no returns
A
Retailer 2
-
£247 GBP
$331 USD
View
A
Retailer 3
-
£262 GBP
View
A
Retailer 4
-
£384 GBP
$515 USD
View
A
Retailer 5
-
£411 GBP
$551 USD
View
A
Retailer 6
-
£412 GBP
€526 EUR
View
A
Retailer 7
-
£425 GBP
ZAR 9,200 ZAR
View
A
Retailer 8
-
£474 GBP
View
B+
Retailer 9
-
£760 GBP
$1,018 USD
View
B+
Retailer 10
-
£787 GBP
$1,054 USD
View
B+
Retailer 11
-
£807 GBP
SGD 1,461 SGD
View
B+
Retailer 12
-
£833 GBP
$1,117 USD
View
B+
Retailer 13
-
£887 GBP
$1,188 USD
View
Retailer 14
-
£1,010 GBP
View
Price last confirmed 13 days ago
B
Retailer 15
-
£1,627 GBP
$2,180 USD
View
Most Expensive
B
Rare Carat
JH-247191 · Oct 28
£1,817 GBP
$2,435 USD
View
15 more retailers have this diamond
Prices start from £223 GBPSave up to £1,594 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
£223 GBP