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Marquise|Lab Grown|IGI

1.40ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG830630481

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830630481

Diamond specifications and retailer prices

From £175 GBP
$235 USD
As of November 2, 2026
Save £1,313 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,488 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830630481 or 830630481. Listed at 20 retailers as of October 27, 2026, with prices from £175 to £1,488, a £1,313 spread on the same certified stone. Queensmith lists it at £1,488. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830630481
Dimensions10.98 × 5.86 × 3.70 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.98 mm5.86 mm1.40 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830630481
Side View
Table 59.0%Crown 34.8°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 63.1%

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 2
Current: £407 GBP|Low: £169 GBP|High: £882 GBP|Avg: £462 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 2, 2026
Retailer 2£175 GBP
Retailer 7£196 GBP
Retailer 5£204 GBP
Retailer 3£217 GBP
Retailer 6£217 GBP
Retailer 8£293 GBP
Retailer 13£350 GBP
Retailer 11£375 GBP
Retailer 1£407 GBP
Retailer 9£459 GBP
Retailer 14£530 GBP
Retailer 18£572 GBP
Retailer 17£690 GBP
Retailer 4£699 GBP
Retailer 15£710 GBP
Retailer 10£738 GBP
Retailer 16£761 GBP
Retailer 12£871 GBP

44 data points across 18 retailers

20 retailers£175 GBP to £1,488 GBP

A
Cheapest Retailer
-
£175 GBP
$235 USD
A
Retailer 2
-
£196 GBP
$262 USD
View
Final sale: no returns
A
Retailer 3
-
£204 GBP
$273 USD
View
Retailer 4
-
£217 GBP
$291 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£217 GBP
$291 USD
View
B+
Retailer 6
-
£293 GBP
$392 USD
View
A
Retailer 7
-
£350 GBP
€446 EUR
View
A
Retailer 8
-
£375 GBP
ZAR 8,127 ZAR
View
A
Retailer 9
-
£407 GBP
View
A
Retailer 10
-
£459 GBP
$615 USD
View
B+
Retailer 11
-
£530 GBP
A$1,093 AUD
View
B+
Retailer 12
-
£572 GBP
$766 USD
View
B
Retailer 13
-
£690 GBP
$925 USD
View
B+
Retailer 14
-
£699 GBP
$937 USD
View
Retailer 15
-
£710 GBP
A$1,463 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£738 GBP
$989 USD
View
B+
Retailer 17
-
£761 GBP
$1,020 USD
View
B
Retailer 18
-
£871 GBP
View
B
Retailer 19
-
£974 GBP
$1,305 USD
View
Most Expensive
B
Queensmith
LG830630481 · Oct 27
£1,488 GBP
View
19 more retailers have this diamond
Prices start from £175 GBPSave up to £1,313 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 Marquise
£175 GBP