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Round|Lab Grown|IGI

1.40ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG841605587

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605587

Diamond specifications and retailer prices

From £150 GBP
$201 USD
As of November 1, 2026
Save £721 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £871 GBP at MOH London · As of November 1, 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 LG841605587 or 841605587. Listed at 19 retailers as of November 1, 2026, with prices from £150 to £871, a £721 spread on the same certified stone. MOH London lists it at £871. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605587
Dimensions7.03 × 7.09 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.03 mm7.09 mm1.40 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605587
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: £871 GBP|Low: £150 GBP|High: £900 GBP|Avg: £426 GBP|-3.3%
MOH London
Retailer 2
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Retailer 19
November 1, 2026
Retailer 19£150 GBP
Retailer 18£175 GBP
Retailer 9£187 GBP
Retailer 11£190 GBP
Retailer 16£315 GBP
Retailer 14£321 GBP
Retailer 12£322 GBP
Retailer 5£323 GBP
Retailer 15£338 GBP
Retailer 3£375 GBP
Retailer 4£378 GBP
Retailer 10£465 GBP
Retailer 17£478 GBP
Retailer 13£485 GBP
Retailer 2£575 GBP
Retailer 8£599 GBP
Retailer 6£639 GBP
Retailer 7£685 GBP
MOH London£871 GBP

25 data points across 19 retailers

19 retailers£150 GBP to £871 GBP

A
Cheapest Retailer
-
£150 GBP
$201 USD
A
Retailer 2
-
£175 GBP
$234 USD
View
A
Retailer 3
-
£187 GBP
$250 USD
View
Retailer 4
-
£190 GBP
$255 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£315 GBP
€402 EUR
View
A
Retailer 6
-
£321 GBP
View
A
Retailer 7
-
£322 GBP
ZAR 6,963 ZAR
View
A
Retailer 8
-
£323 GBP
$433 USD
View
A
Retailer 9
-
£338 GBP
View
A
Retailer 10
-
£375 GBP
$502 USD
View
B+
Retailer 11
-
£378 GBP
$507 USD
View
B+
Retailer 12
-
£465 GBP
A$959 AUD
View
B+
Retailer 13
-
£478 GBP
$641 USD
View
B+
Retailer 14
-
£485 GBP
$650 USD
View
B+
Retailer 15
-
£575 GBP
$770 USD
View
B
Retailer 16
-
£599 GBP
$803 USD
View
B
Retailer 17
-
£639 GBP
$856 USD
View
B
Retailer 18
-
£685 GBP
$918 USD
View
Most Expensive
B
MOH London
LG841605587 · Nov 1
£871 GBP
View
18 more retailers have this diamond
Prices start from £150 GBPSave up to £721 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
£150 GBP