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Marquise|Lab Grown|IGI

1.20ct D VVS2 Marquise Lab Grown Diamond

EX • D/VVS2 • IGI LG800670642

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800670642

Diamond specifications and retailer prices

From £232 GBP
As of November 2, 2026
Save £1,006 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,059 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG800670642 or 800670642. Listed at 22 retailers as of November 2, 2026, with a 434% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800670642
Dimensions11.00 × 5.63 × 3.51 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm5.63 mm1.20 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800670642
Side View
Table 60.0%Crown 35.2°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £569 GBP|Low: £222 GBP|High: £1,253 GBP|Avg: £582 GBP|+2.0%
Retailer 1
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 3, 2026
Retailer 3£232 GBP
Retailer 11£264 GBP
Retailer 7£269 GBP
Retailer 4£287 GBP
Retailer 15£287 GBP
Retailer 5£383 GBP
Retailer 8£402 GBP
Retailer 2£404 GBP
Retailer 10£546 GBP
Retailer 1£569 GBP
Retailer 14£741 GBP
Retailer 13£769 GBP
Retailer 16£842 GBP
Retailer 6£1,019 GBP
Retailer 12£1,185 GBP
Retailer 9£1,238 GBP

42 data points across 16 retailers

22 retailers£232 GBP to £1,238 GBP

Retailer 1
-
£232 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£232 GBP
View
Retailer 3
-
£269 GBP
View
Price last confirmed 37 days ago
Retailer 4
-
£287 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£287 GBP
View
Price last confirmed 33 days ago
A
Retailer 6
-
£304 GBP
View
A
Retailer 7
-
£383 GBP
View
B+
Retailer 8
-
£402 GBP
View
A
Retailer 9
-
£404 GBP
View
Retailer 10
-
£450 GBP
View
Price last confirmed 71 days ago
B+
Retailer 11
-
£546 GBP
View
B+
Retailer 12
-
£569 GBP
View
Retailer 13
-
£741 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
£769 GBP
View
Price last confirmed 7 days ago
B
Retailer 15
-
£842 GBP
View
Retailer 16
-
£1,019 GBP
View
Price last confirmed 36 days ago
B
Retailer 17
-
£1,019 GBP
View
B
Retailer 18
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£1,136 GBP
View
B
Retailer 19
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£1,147 GBP
View
B
Retailer 20
-
£1,185 GBP
View
B
Retailer 21
-
£1,238 GBP
View
Most Expensive
Do Amore Diamonds
27-72746678C · Nov 2
£2,059 GBP
$2,780 USD
View
Price under review
21 more retailers have this diamond
Prices start from £232 GBPSave up to £1,006 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
£232 GBP