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Marquise|Lab Grown|IGI

1.03ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG834610265

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834610265

Diamond specifications and retailer prices

From £131 GBP
As of November 4, 2026
Save £624 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £755 GBP at MOH London · As of November 5, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834610265 or 834610265. Listed at 17 retailers as of November 4, 2026, with prices from £131 to £755, a £624 spread on the same certified stone. MOH London lists it at £755. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834610265
Dimensions11.20 × 5.08 × 3.04 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm5.08 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834610265
Side View
Table 59.0%Crown 33°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 59.8%

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 4
Current: £755 GBP|Low: £128 GBP|High: £788 GBP|Avg: £341 GBP|-3.0%
MOH London
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 5, 2026
Retailer 5£131 GBP
Retailer 6£146 GBP
Retailer 3£152 GBP
Retailer 14£162 GBP
Retailer 16£162 GBP
Retailer 7£219 GBP
Retailer 4£248 GBP
Retailer 12£279 GBP
Retailer 13£287 GBP
Retailer 9£288 GBP
Retailer 11£395 GBP
Retailer 10£411 GBP
Retailer 15£521 GBP
Retailer 8£560 GBP
Retailer 2£691 GBP
MOH London£755 GBP

44 data points across 16 retailers

17 retailers£131 GBP to £755 GBP

A
Cheapest Retailer
-
£131 GBP
A
Retailer 2
-
£146 GBP
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
View
A
Retailer 4
-
£162 GBP
View
Retailer 5
-
£162 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
£163 GBP
View
Price last confirmed 42 days ago
B+
Retailer 7
-
£219 GBP
View
A
Retailer 8
-
£248 GBP
View
A
Retailer 9
-
£279 GBP
View
Retailer 10
-
£287 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
£288 GBP
View
B+
Retailer 12
-
£395 GBP
View
B+
Retailer 13
-
£411 GBP
View
B+
Retailer 14
-
£521 GBP
View
B
Retailer 15
-
£560 GBP
View
B
Retailer 16
-
£691 GBP
View
Most Expensive
B
MOH London
LG834610265 · Nov 5
£755 GBP
View
16 more retailers have this diamond
Prices start from £131 GBPSave up to £624 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
£131 GBP