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Marquise|Lab Grown|IGI

1.86ct H VVS2 Marquise Lab Grown Diamond

EX • H/VVS2 • IGI LG841655079

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841655079

Diamond specifications and retailer prices

From £383 GBP
As of October 27, 2026
Save £1,249 GBP (77%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,632 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.86ct lab-grown marquise diamond

This 1.86ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841655079 or 841655079. Listed at 2 retailers as of October 26, 2026, with prices from £383 to £1,632, a £1,249 spread on the same certified stone. Brilliant Earth lists it at £1,632. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841655079
Dimensions12.17 × 6.44 × 4.07 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.17 mm6.44 mm1.86 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841655079
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,632 GBP|Low: £186 GBP|High: £1,714 GBP|Avg: £930 GBP|-4.8%
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 3£186 GBP
Retailer 2£383 GBP
Brilliant Earth£1,632 GBP

23 data points across 3 retailers

2 retailers£383 GBP to £1,632 GBP

A
Cheapest Retailer
-
£383 GBP
Most Expensive
B
Brilliant Earth
21706086A · Oct 26
£1,632 GBP
$2,190 USD
View
1 more retailer has this diamond
Prices start from £383 GBPSave up to £1,249 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
1.86ct Marquise
£383 GBP