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Round|Lab Grown|IGI

1.40ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG815699070

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815699070

Diamond specifications and retailer prices

From £150 GBP
$201 USD
As of November 1, 2026
Save £1,054 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,204 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG815699070 or 815699070. Listed at 22 retailers as of November 1, 2026, with prices from £150 to £1,204, a £1,054 spread on the same certified stone. The Diamond Guys lists it at £1,204. 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815699070
Dimensions7.16 × 7.12 × 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
7.16 mm7.12 mm1.40 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815699070
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 1
Current: £322 GBP|Low: £144 GBP|High: £881 GBP|Avg: £392 GBP|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2£150 GBP
Retailer 3£187 GBP
Retailer 6£321 GBP
Retailer 1£322 GBP
Retailer 4£323 GBP
Retailer 7£338 GBP
Retailer 8£342 GBP
Retailer 9£456 GBP
Retailer 12£478 GBP
Retailer 5£485 GBP
Retailer 11£575 GBP
Retailer 10£872 GBP

37 data points across 12 retailers

22 retailers£150 GBP to £1,204 GBP

A
Cheapest Retailer
-
£150 GBP
$201 USD
A
Retailer 2
-
£175 GBP
$234 USD
View
Retailer 3
-
£187 GBP
$250 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£187 GBP
$250 USD
View
A
Retailer 5
-
£321 GBP
View
A
Retailer 6
-
£322 GBP
ZAR 6,963 ZAR
View
A
Retailer 7
-
£323 GBP
$433 USD
View
A
Retailer 8
-
£338 GBP
View
A
Retailer 9
-
£342 GBP
€436 EUR
View
B+
Retailer 10
-
£375 GBP
$502 USD
View
B+
Retailer 11
-
£378 GBP
$507 USD
View
B+
Retailer 12
-
£456 GBP
A$939 AUD
View
B
Retailer 13
-
£478 GBP
$641 USD
View
B+
Retailer 14
-
£485 GBP
$650 USD
View
Retailer 15
-
£546 GBP
$732 USD
View
Price last confirmed 46 days ago
B+
Retailer 16
-
£575 GBP
$770 USD
View
B
Retailer 17
-
£599 GBP
$803 USD
View
B
Retailer 18
-
£639 GBP
$856 USD
View
B
Retailer 19
-
£685 GBP
$918 USD
View
B
Retailer 20
-
£872 GBP
View
B
Retailer 21
-
£910 GBP
CA$1,694 CAD
View
Most Expensive
B
The Diamond Guys
1963392206 · Nov 1
£1,204 GBP
$1,613 USD
View
21 more retailers have this diamond
Prices start from £150 GBPSave up to £1,054 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