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Marquise|Lab Grown|IGI

1.01ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG425067769

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG425067769

Diamond specifications and retailer prices

From £437 GBP
As of November 4, 2026
Save £2,923 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,360 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425067769 or 425067769. Listed at 14 retailers as of November 1, 2026, with prices from £437 to £3,360, a £2,923 spread on the same certified stone. MOH London lists it at £3,360. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067769
Dimensions10.13 × 5.35 × 3.43 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.13 mm5.35 mm1.01 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425067769
Side View
Table 61.0%Crown 33.2°Girdle: UNDPavilion 43.1°Culet: NoneDepth 64.1%

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: £3,360 GBP|Low: £437 GBP|High: £3,405 GBP|Avg: £1,657 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 10£437 GBP
Retailer 11£901 GBP
Retailer 15£981 GBP
Retailer 3£1,009 GBP
Retailer 12£1,046 GBP
Retailer 16£1,046 GBP
Retailer 6£1,174 GBP
Retailer 7£1,462 GBP
Retailer 13£1,659 GBP
Retailer 2£1,676 GBP
Retailer 9£1,924 GBP
Retailer 14£1,960 GBP
Retailer 5£2,004 GBP
Retailer 4£2,528 GBP
Retailer 8£2,994 GBP
MOH London£3,360 GBP

32 data points across 16 retailers

14 retailers£437 GBP to £3,360 GBP

A
Cheapest Retailer
-
£437 GBP
B
Retailer 2
-
£901 GBP
View
B
Retailer 3
-
£981 GBP
View
B
Retailer 4
-
£1,009 GBP
View
Final sale: no returns
Retailer 5
-
£1,046 GBP
View
Price last confirmed 24 days ago
B
Retailer 6
-
£1,046 GBP
View
B
Retailer 7
-
£1,174 GBP
View
B
Retailer 8
-
£1,659 GBP
View
B
Retailer 9
-
£1,676 GBP
View
B
Retailer 10
-
£1,924 GBP
View
B
Retailer 11
-
£1,960 GBP
View
B
Retailer 12
-
£2,004 GBP
View
B
Retailer 13
-
£2,528 GBP
View
Most Expensive
B
MOH London
LG425067769 · Nov 1
£3,360 GBP
View
13 more retailers have this diamond
Prices start from £437 GBPSave up to £2,923 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
1.01ct Marquise
£437 GBP