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Round|Lab Grown|IGI

1.40ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG407945631

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945631

Diamond specifications and retailer prices

From £463 GBP
$620 USD
As of October 29, 2026
Save £2,389 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,852 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407945631 or 407945631. Listed at 13 retailers as of October 29, 2026, with prices from £463 to £2,852, a £2,389 spread on the same certified stone. MOH London lists it at £2,852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945631
Dimensions7.14 × 7.12 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.14 mm7.12 mm1.40 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945631
Side View
Table 54.0%Crown 35.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.7%

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 29
Current: £2,852 GBP|Low: £463 GBP|High: £2,875 GBP|Avg: £1,246 GBP|+0.5%
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
October 29, 2026
Retailer 8£463 GBP
Retailer 4£482 GBP
Retailer 7£652 GBP
Retailer 11£731 GBP
Retailer 9£757 GBP
Retailer 14£778 GBP
Retailer 13£888 GBP
Retailer 3£1,158 GBP
Retailer 10£1,215 GBP
Retailer 2£1,684 GBP
Retailer 6£1,693 GBP
Retailer 12£2,093 GBP
Retailer 5£2,166 GBP
MOH London£2,852 GBP

16 data points across 14 retailers

13 retailers£463 GBP to £2,852 GBP

A
Cheapest Retailer
-
£463 GBP
$620 USD
B+
Retailer 2
-
£652 GBP
$874 USD
View
B+
Retailer 3
-
£710 GBP
$951 USD
View
B+
Retailer 4
-
£731 GBP
$979 USD
View
Final sale: no returns
Retailer 5
-
£757 GBP
$1,014 USD
View
Price last confirmed 13 days ago
B
Retailer 6
-
£757 GBP
$1,014 USD
View
B+
Retailer 7
-
£778 GBP
$1,042 USD
View
B
Retailer 8
-
£888 GBP
$1,190 USD
View
B
Retailer 9
-
£1,215 GBP
$1,628 USD
View
B
Retailer 10
-
£1,684 GBP
$2,256 USD
View
B
Retailer 11
-
£2,093 GBP
View
B
Retailer 12
-
£2,128 GBP
$2,851 USD
View
Most Expensive
B
MOH London
LG407945631 · Oct 29
£2,852 GBP
View
12 more retailers have this diamond
Prices start from £463 GBPSave up to £2,389 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
£463 GBP