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Round|Lab Grown|IGI

1.40ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG754536146

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754536146

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of November 1, 2026
Save £394 GBP (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £904 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG754536146 or 754536146. Listed at 22 retailers as of October 27, 2026, with a 153% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754536146
Dimensions7.14 × 7.17 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.14 mm7.17 mm1.40 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754536146
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: £318 GBP|Low: £164 GBP|High: £904 GBP|Avg: £465 GBP|-0.5%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 4£172 GBP
Retailer 7£257 GBP
Retailer 1£318 GBP
Retailer 2£322 GBP
Retailer 14£329 GBP
Retailer 11£347 GBP
Retailer 10£389 GBP
Retailer 9£392 GBP
Retailer 16£434 GBP
Retailer 13£465 GBP
Retailer 3£478 GBP
Retailer 8£489 GBP
Retailer 6£575 GBP
Retailer 12£582 GBP
Retailer 5£651 GBP
Retailer 15£891 GBP
Reve Diamonds£904 GBP

35 data points across 17 retailers

22 retailers£257 GBP to £651 GBP

Retailer 1
-
£150 GBP
$201 USD
Price last confirmed 22 days ago
Retailer 2
-
£175 GBP
$234 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£187 GBP
$250 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
£257 GBP
$345 USD
View
A
Retailer 5
-
£318 GBP
€406 EUR
View
Retailer 6
-
£322 GBP
ZAR 6,963 ZAR
View
Price last confirmed 10 days ago
A
Retailer 7
-
£329 GBP
View
A
Retailer 8
-
£347 GBP
View
B+
Retailer 9
-
£389 GBP
$521 USD
View
B+
Retailer 10
-
£392 GBP
A$808 AUD
View
Retailer 11
-
£408 GBP
$547 USD
View
Price last confirmed 20 days ago
B+
Retailer 12
-
£434 GBP
$581 USD
View
B+
Retailer 13
-
£465 GBP
A$959 AUD
View
B+
Retailer 14
-
£478 GBP
$641 USD
View
B+
Retailer 15
-
£489 GBP
$655 USD
View
Retailer 16
-
£523 GBP
$701 USD
View
Price last confirmed 105 days ago
B+
Retailer 17
-
£575 GBP
$770 USD
View
B
Retailer 18
-
£582 GBP
A$1,199 AUD
View
Retailer 19
-
£599 GBP
$803 USD
View
Price last confirmed 23 days ago
B
Retailer 20
-
£651 GBP
$873 USD
View
Retailer 21
-
£891 GBP
View
Price last confirmed 8 days ago
Most Expensive
Reve Diamonds
0DD9878C6 · Oct 25
£904 GBP
$1,211 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from £257 GBPSave up to £394 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
£257 GBP