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Marquise|Lab Grown|IGI

3.03ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG843622520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843622520

Diamond specifications and retailer prices

From £485 GBP
As of November 3, 2026
Save £1,848 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,333 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843622520 or 843622520. Listed at 14 retailers as of November 1, 2026, with prices from £485 to £2,333, a £1,848 spread on the same certified stone. MOH London lists it at £2,333. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843622520
Dimensions15.44 × 7.38 × 4.39 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.44 mm7.38 mm3.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843622520
Side View
Table 61.0%Crown 38.3°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 59.5%

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 3
Current: £2,333 GBP|Low: £485 GBP|High: £2,489 GBP|Avg: £1,205 GBP|-1.3%
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
November 4, 2026
Retailer 3£485 GBP
Retailer 6£634 GBP
Retailer 7£672 GBP
Retailer 10£722 GBP
Retailer 2£831 GBP
Retailer 11£1,067 GBP
Retailer 8£1,167 GBP
Retailer 5£1,268 GBP
Retailer 9£1,334 GBP
Retailer 4£1,568 GBP
Retailer 12£1,716 GBP
Retailer 13£1,740 GBP
MOH London£2,333 GBP

23 data points across 13 retailers

14 retailers£485 GBP to £2,333 GBP

A
Cheapest Retailer
-
£485 GBP
Final sale: no returns
Retailer 2
-
£559 GBP
View
Price last confirmed 32 days ago
A
Retailer 3
-
£634 GBP
View
A
Retailer 4
-
£672 GBP
View
A
Retailer 5
-
£722 GBP
View
A
Retailer 6
-
£831 GBP
View
A
Retailer 7
-
£1,067 GBP
View
B+
Retailer 8
-
£1,167 GBP
View
Retailer 9
-
£1,268 GBP
View
Price last confirmed 15 days ago
B+
Retailer 10
-
£1,334 GBP
View
B+
Retailer 11
-
£1,568 GBP
View
B+
Retailer 12
-
£1,716 GBP
View
B+
Retailer 13
-
£1,740 GBP
View
Most Expensive
B
MOH London
LG843622520 · Nov 1
£2,333 GBP
View
13 more retailers have this diamond
Prices start from £485 GBPSave up to £1,848 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
3.03ct Marquise
£485 GBP