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Round|Lab Grown|IGI

1.40ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG797638228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797638228

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of November 1, 2026
Save £711 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £858 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797638228 or 797638228. Listed at 21 retailers as of October 29, 2026, with prices from £147 to £858, a £711 spread on the same certified stone. MOH London lists it at £858. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797638228
Dimensions7.21 × 7.17 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.21 mm7.17 mm1.40 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797638228
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.8%

Caratlytics Score

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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: Nov 1
Current: £858 GBP|Low: £141 GBP|High: £985 GBP|Avg: £375 GBP|-0.3%
MOH London
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
November 2, 2026
Retailer 14£147 GBP
Retailer 5£171 GBP
Retailer 4£182 GBP
Retailer 6£246 GBP
Retailer 9£306 GBP
Retailer 8£315 GBP
Retailer 7£315 GBP
Retailer 2£333 GBP
Retailer 10£445 GBP
Retailer 13£467 GBP
Retailer 11£481 GBP
Retailer 12£575 GBP
Retailer 3£587 GBP
MOH London£858 GBP

35 data points across 14 retailers

21 retailers£147 GBP to £858 GBP

A
Cheapest Retailer
-
£147 GBP
$197 USD
A
Retailer 2
-
£164 GBP
$220 USD
View
Final sale: no returns
A
Retailer 3
-
£171 GBP
$229 USD
View
Retailer 4
-
£182 GBP
$244 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£182 GBP
$244 USD
View
B+
Retailer 6
-
£246 GBP
$330 USD
View
A
Retailer 7
-
£306 GBP
€390 EUR
View
A
Retailer 8
-
£315 GBP
View
A
Retailer 9
-
£315 GBP
ZAR 6,817 ZAR
View
A
Retailer 10
-
£333 GBP
View
B+
Retailer 11
-
£378 GBP
$506 USD
View
B+
Retailer 12
-
£427 GBP
$572 USD
View
B+
Retailer 13
-
£445 GBP
A$917 AUD
View
B+
Retailer 14
-
£467 GBP
$626 USD
View
B+
Retailer 15
-
£481 GBP
$645 USD
View
Retailer 16
-
£535 GBP
$717 USD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
£575 GBP
$770 USD
View
B
Retailer 18
-
£587 GBP
$786 USD
View
Retailer 19
-
£587 GBP
A$1,210 AUD
View
Price last confirmed 28 days ago
B
Retailer 20
-
£626 GBP
$839 USD
View
Most Expensive
B
MOH London
LG797638228 · Oct 29
£858 GBP
View
20 more retailers have this diamond
Prices start from £147 GBPSave up to £711 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 Round
£147 GBP