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Marquise|Lab Grown|IGI

1.03ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG512202891

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512202891

Diamond specifications and retailer prices

From £444 GBP
As of November 4, 2026
Save £2,020 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,465 GBP at MOH London · As of November 3, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512202891 or 512202891. Listed at 14 retailers as of November 3, 2026, with prices from £444 to £2,465, a £2,020 spread on the same certified stone. MOH London lists it at £2,465. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512202891
Dimensions10.72 × 5.24 × 3.06 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.72 mm5.24 mm1.03 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512202891
Side View
Table 54.5%Crown 36.1°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 58.4%

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 4
Current: £2,465 GBP|Low: £444 GBP|High: £2,498 GBP|Avg: £1,131 GBP
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 4, 2026
Retailer 9£444 GBP
Retailer 12£504 GBP
Retailer 16£549 GBP
Retailer 4£564 GBP
Retailer 3£585 GBP
Retailer 13£585 GBP
Retailer 10£715 GBP
Retailer 2£851 GBP
Retailer 7£931 GBP
Retailer 15£953 GBP
Retailer 11£1,495 GBP
Retailer 14£1,645 GBP
Retailer 8£1,675 GBP
Retailer 5£1,817 GBP
Retailer 6£1,856 GBP
MOH London£2,465 GBP

29 data points across 16 retailers

14 retailers£444 GBP to £2,465 GBP

A
Cheapest Retailer
-
£444 GBP
A
Retailer 2
-
£504 GBP
View
B+
Retailer 3
-
£549 GBP
View
B+
Retailer 4
-
£564 GBP
View
Final sale: no returns
B+
Retailer 5
-
£585 GBP
View
Retailer 6
-
£585 GBP
View
Price last confirmed 20 days ago
B+
Retailer 7
-
£715 GBP
View
B+
Retailer 8
-
£851 GBP
View
B
Retailer 9
-
£953 GBP
View
B
Retailer 10
-
£1,495 GBP
View
B
Retailer 11
-
£1,645 GBP
View
B
Retailer 12
-
£1,817 GBP
View
B
Retailer 13
-
£1,856 GBP
View
Most Expensive
B
MOH London
LG512202891 · Nov 3
£2,465 GBP
View
13 more retailers have this diamond
Prices start from £444 GBPSave up to £2,020 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
£444 GBP