Round|Lab Grown|IGI

1.40ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG656491211

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656491211

Diamond specifications and retailer prices

From £157 GBP
$210 USD
As of October 29, 2026
Save £739 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £896 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656491211 or 656491211. Listed at 19 retailers as of October 29, 2026, with prices from £157 to £896, a £739 spread on the same certified stone. Brilliant Earth lists it at £896. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656491211
Dimensions7.15 × 7.11 × 4.49 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
7.15 mm7.11 mm1.40 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656491211
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.9%

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: Oct 29
Current: £896 GBP|Low: £152 GBP|High: £896 GBP|Avg: £415 GBP
Brilliant Earth
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 13£157 GBP
Retailer 16£175 GBP
Retailer 8£182 GBP
Retailer 5£194 GBP
Retailer 17£261 GBP
Retailer 14£328 GBP
Retailer 18£334 GBP
Retailer 2£358 GBP
Retailer 15£381 GBP
Retailer 3£452 GBP
Retailer 6£475 GBP
Retailer 11£501 GBP
Retailer 4£625 GBP
Retailer 12£663 GBP
Retailer 7£665 GBP
Retailer 10£698 GBP
Retailer 9£787 GBP
Brilliant Earth£896 GBP

42 data points across 18 retailers

19 retailers£157 GBP to £896 GBP

A
Cheapest Retailer
-
£157 GBP
$210 USD
A
Retailer 2
-
£175 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£182 GBP
$244 USD
View
A
Retailer 4
-
£194 GBP
$260 USD
View
A
Retailer 5
-
£196 GBP
$263 USD
View
B+
Retailer 6
-
£261 GBP
$350 USD
View
A
Retailer 7
-
£328 GBP
€419 EUR
View
A
Retailer 8
-
£334 GBP
ZAR 7,229 ZAR
View
A
Retailer 9
-
£358 GBP
View
B+
Retailer 10
-
£381 GBP
$511 USD
View
B+
Retailer 11
-
£452 GBP
$606 USD
View
B+
Retailer 12
-
£475 GBP
A$979 AUD
View
B+
Retailer 13
-
£501 GBP
$671 USD
View
B
Retailer 14
-
£625 GBP
$837 USD
View
B
Retailer 15
-
£663 GBP
$889 USD
View
B
Retailer 16
-
£665 GBP
$890 USD
View
Retailer 17
-
£698 GBP
$935 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
£787 GBP
View
Most Expensive
B
Brilliant Earth
20628553A · Oct 31
£896 GBP
$1,200 USD
View
18 more retailers have this diamond
Prices start from £157 GBPSave up to £739 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
£157 GBP