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Round|Lab Grown|IGI

1.40ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG781635046

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781635046

Diamond specifications and retailer prices

From £150 GBP
$201 USD
As of October 29, 2026
Save £805 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £955 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 LG781635046 or 781635046. Listed at 18 retailers as of October 29, 2026, with prices from £150 to £955, a £805 spread on the same certified stone. Brilliant Earth lists it at £955. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635046
Dimensions7.22 × 7.18 × 4.45 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
7.22 mm7.18 mm1.40 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635046
Side View
Table 55.0%Crown 33.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

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A+
Exceptional
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 29
Current: £955 GBP|Low: £144 GBP|High: £1,008 GBP|Avg: £421 GBP|-5.2%
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
November 1, 2026
Retailer 15£150 GBP
Retailer 16£168 GBP
Retailer 4£175 GBP
Retailer 3£187 GBP
Retailer 6£187 GBP
Retailer 10£321 GBP
Retailer 2£322 GBP
Retailer 5£323 GBP
Retailer 11£338 GBP
Retailer 12£342 GBP
Retailer 7£450 GBP
Retailer 13£456 GBP
Retailer 14£601 GBP
Retailer 8£639 GBP
Retailer 9£871 GBP
Brilliant Earth£955 GBP

43 data points across 16 retailers

18 retailers£150 GBP to £955 GBP

A+
Cheapest Retailer
-
£150 GBP
$201 USD
A
Retailer 2
-
£168 GBP
$225 USD
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
$234 USD
View
Retailer 4
-
£187 GBP
$250 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£187 GBP
$250 USD
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
-
£342 GBP
€437 EUR
View
B+
Retailer 11
-
£431 GBP
$577 USD
View
B+
Retailer 12
-
£450 GBP
$603 USD
View
B+
Retailer 13
-
£456 GBP
A$939 AUD
View
B+
Retailer 14
-
£599 GBP
$803 USD
View
B
Retailer 15
-
£601 GBP
$805 USD
View
B
Retailer 16
-
£639 GBP
$856 USD
View
B
Retailer 17
-
£871 GBP
View
Most Expensive
B
Brilliant Earth
20286986A · Oct 31
£955 GBP
$1,280 USD
View
17 more retailers have this diamond
Prices start from £150 GBPSave up to £805 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