Marquise|Lab Grown|IGI

1.03ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG800650461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800650461

Diamond specifications and retailer prices

From £146 GBP
As of October 29, 2026
Save £410 GBP (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £766 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800650461 or 800650461. Listed at 22 retailers as of October 29, 2026, with a 281% 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

1.03
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800650461
Dimensions10.59 × 5.13 × 3.25 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm5.13 mm1.03 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800650461
Side View
Table 58.0%Crown 34.4°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £766 GBP|Low: £126 GBP|High: £770 GBP|Avg: £355 GBP|+0.4%
MOH London
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 20
October 30, 2026
Retailer 9£131 GBP
Retailer 20£146 GBP
Retailer 12£147 GBP
Retailer 11£153 GBP
Retailer 18£170 GBP
Retailer 14£200 GBP
Retailer 2£207 GBP
Retailer 15£256 GBP
Retailer 5£268 GBP
Retailer 17£276 GBP
Retailer 3£279 GBP
Retailer 4£397 GBP
Retailer 16£405 GBP
Retailer 8£406 GBP
Retailer 7£419 GBP
Retailer 6£487 GBP
Retailer 19£509 GBP
Retailer 10£524 GBP
Retailer 13£556 GBP
MOH London£766 GBP

39 data points across 20 retailers

22 retailers£146 GBP to £556 GBP

Retailer 1
-
£131 GBP
Price last confirmed 9 days ago
A
Retailer 2
-
£146 GBP
View
A
Retailer 3
-
£147 GBP
View
Final sale: no returns
Retailer 4
-
£153 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£170 GBP
View
B+
Retailer 6
-
£200 GBP
View
A
Retailer 7
-
£207 GBP
View
A
Retailer 8
-
£256 GBP
View
Retailer 9
-
£268 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£276 GBP
View
Price last confirmed 6 days ago
Retailer 11
-
£279 GBP
View
Price last confirmed 9 days ago
Retailer 12
-
£397 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
£405 GBP
View
B+
Retailer 14
-
£406 GBP
View
Retailer 15
-
£419 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
£487 GBP
View
Price last confirmed 8 days ago
B
Retailer 17
-
£509 GBP
View
Retailer 18
-
£524 GBP
View
Price last confirmed 8 days ago
B
Retailer 19
-
£535 GBP
View
B
Retailer 20
-
£556 GBP
View
Retailer 21
-
£593 GBP
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG800650461 · Oct 29
£766 GBP
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from £146 GBPSave up to £410 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
1.03ct Marquise
£146 GBP