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Marquise|Lab Grown|IGI

1.20ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG843638020

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843638020

Diamond specifications and retailer prices

From £146 GBP
As of November 4, 2026
Save £867 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,012 GBP at Michael Trio · As of November 5, 2026
View at Michael Trio

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843638020 or 843638020. Listed at 17 retailers as of November 4, 2026, with prices from £146 to £1,012, a £867 spread on the same certified stone. Michael Trio lists it at £1,012. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843638020
Dimensions11.07 × 5.43 × 3.39 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.07 mm5.43 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843638020
Side View
Table 57.0%Crown 34.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,012 GBP|Low: £146 GBP|High: £1,029 GBP|Avg: £441 GBP|-1.7%
Michael Trio
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
November 5, 2026
Retailer 15£146 GBP
Retailer 10£161 GBP
Retailer 4£169 GBP
Retailer 12£179 GBP
Retailer 14£236 GBP
Retailer 9£248 GBP
Retailer 6£317 GBP
Retailer 11£327 GBP
Retailer 2£367 GBP
Retailer 8£420 GBP
Retailer 5£444 GBP
Retailer 17£580 GBP
Retailer 3£582 GBP
Retailer 13£610 GBP
Retailer 16£619 GBP
Retailer 7£859 GBP
Michael Trio£1,012 GBP

7 data points across 17 retailers

17 retailers£146 GBP to £1,012 GBP

A
Cheapest Retailer
-
£146 GBP
A
Retailer 2
-
£161 GBP
View
Final sale: no returns
A
Retailer 3
-
£169 GBP
View
A
Retailer 4
-
£179 GBP
View
A
Retailer 5
-
£236 GBP
View
B+
Retailer 6
-
£248 GBP
View
A
Retailer 7
-
£317 GBP
View
A
Retailer 8
-
£327 GBP
View
A
Retailer 9
-
£367 GBP
View
B+
Retailer 10
-
£420 GBP
View
B+
Retailer 11
-
£444 GBP
View
B+
Retailer 12
-
£580 GBP
View
B+
Retailer 13
-
£582 GBP
View
B+
Retailer 14
-
£610 GBP
View
B+
Retailer 15
-
£619 GBP
View
B
Retailer 16
-
£859 GBP
View
Most Expensive
B
Michael Trio
8518957700 · Nov 5
£1,012 GBP
SGD 1,847 SGD
View
16 more retailers have this diamond
Prices start from £146 GBPSave up to £867 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
1.20ct Marquise
£146 GBP