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Marquise|Lab Grown|IGI

1.03ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG844670603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844670603

Diamond specifications and retailer prices

From £169 GBP
$227 USD
As of November 1, 2026
Save £623 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £792 GBP at MOH London · As of November 1, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844670603 or 844670603. Listed at 10 retailers as of November 1, 2026, with prices from £169 to £792, a £623 spread on the same certified stone. MOH London lists it at £792. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844670603
Dimensions10.04 × 5.36 × 3.26 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
10.04 mm5.36 mm1.03 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844670603
Side View
Table 59.0%Crown 33°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.8%

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 1
Current: £792 GBP|Low: £169 GBP|High: £797 GBP|Avg: £405 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£169 GBP
Retailer 3£293 GBP
Retailer 8£300 GBP
Retailer 2£304 GBP
Retailer 6£316 GBP
Retailer 7£586 GBP
Retailer 4£590 GBP
MOH London£792 GBP

27 data points across 8 retailers

10 retailers£169 GBP to £792 GBP

A
Cheapest Retailer
-
£169 GBP
$227 USD
Retailer 2
-
£169 GBP
$227 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£293 GBP
ZAR 6,337 ZAR
View
A
Retailer 4
-
£300 GBP
$402 USD
View
A
Retailer 5
-
£304 GBP
View
A
Retailer 6
-
£316 GBP
$424 USD
View
B
Retailer 7
-
£545 GBP
$730 USD
View
B
Retailer 8
-
£586 GBP
$785 USD
View
B
Retailer 9
-
£590 GBP
$790 USD
View
Most Expensive
B
MOH London
LG844670603 · Nov 1
£792 GBP
View
9 more retailers have this diamond
Prices start from £169 GBPSave up to £623 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
£169 GBP