Marquise|Lab Grown|IGI

1.03ct H VVS1 Marquise Lab Grown Diamond

ID • H/VVS1 • IGI LG838603611

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838603611

Diamond specifications and retailer prices

From £219 GBP
$293 USD
As of November 1, 2026
Save £509 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £728 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838603611 or 838603611. Listed at 4 retailers as of November 1, 2026, with prices from £219 to £728, a £509 spread on the same certified stone. MOH London lists it at £728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838603611
Dimensions10.58 × 5.24 × 3.28 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.58 mm5.24 mm1.03 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838603611
Side View
Table 56.0%Crown 33.8°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £728 GBP|Low: £219 GBP|High: £728 GBP|Avg: £402 GBP
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£219 GBP
Retailer 3£258 GBP
MOH London£728 GBP

1 data point across 3 retailers

4 retailers£219 GBP to £728 GBP

A
Cheapest Retailer
-
£219 GBP
$293 USD
A
Retailer 2
-
£258 GBP
$346 USD
View
B+
Retailer 3
-
£474 GBP
$635 USD
View
Most Expensive
B
MOH London
LG838603611 · Nov 1
£728 GBP
View
3 more retailers have this diamond
Prices start from £219 GBPSave up to £509 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
£219 GBP