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Marquise|Lab Grown|IGI

1.00ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG436047237

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047237

Diamond specifications and retailer prices

From £430 GBP
As of November 4, 2026
Save £1,960 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,390 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct 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 LG436047237 or 436047237. Listed at 13 retailers as of November 4, 2026, with prices from £430 to £2,390, a £1,960 spread on the same certified stone. MOH London lists it at £2,390. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047237
Dimensions9.71 × 5.38 × 3.36 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.71 mm5.38 mm1.00 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047237
Side View
Table 55.0%Crown 33°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 62.5%

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: £2,390 GBP|Low: £430 GBP|High: £2,425 GBP|Avg: £1,106 GBP|-0.3%
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
November 5, 2026
Retailer 2£430 GBP
Retailer 10£490 GBP
Retailer 14£533 GBP
Retailer 15£549 GBP
Retailer 11£569 GBP
Retailer 7£582 GBP
Retailer 8£700 GBP
Retailer 5£910 GBP
Retailer 13£928 GBP
Retailer 9£1,453 GBP
Retailer 12£1,599 GBP
Retailer 6£1,628 GBP
Retailer 3£1,772 GBP
Retailer 4£1,816 GBP
MOH London£2,390 GBP

19 data points across 15 retailers

13 retailers£430 GBP to £2,390 GBP

A
Cheapest Retailer
-
£430 GBP
A
Retailer 2
-
£490 GBP
View
B+
Retailer 3
-
£533 GBP
View
B+
Retailer 4
-
£549 GBP
View
Final sale: no returns
Retailer 5
-
£569 GBP
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£569 GBP
View
B
Retailer 7
-
£700 GBP
View
B
Retailer 8
-
£928 GBP
View
B
Retailer 9
-
£1,453 GBP
View
B
Retailer 10
-
£1,599 GBP
View
B
Retailer 11
-
£1,772 GBP
View
B
Retailer 12
-
£1,816 GBP
View
Most Expensive
B
MOH London
LG436047237 · Nov 5
£2,390 GBP
View
12 more retailers have this diamond
Prices start from £430 GBPSave up to £1,960 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
1.00ct Marquise
£430 GBP