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Marquise|Lab Grown|IGI

1.56ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG843658618

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843658618

Diamond specifications and retailer prices

From £252 GBP
As of November 5, 2026
Save £595 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £847 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.56ct lab-grown marquise diamond

This 1.56ct 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 LG843658618 or 843658618. Listed at 6 retailers as of November 4, 2026, with prices from £252 to £847, a £595 spread on the same certified stone. Brilliant Earth lists it at £847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843658618
Dimensions11.73 × 6.19 × 3.85 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
11.73 mm6.19 mm1.56 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843658618
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £847 GBP|Low: £238 GBP|High: £847 GBP|Avg: £563 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2£252 GBP
Retailer 6£360 GBP
Retailer 3£391 GBP
Retailer 5£685 GBP
Retailer 4£721 GBP
Brilliant Earth£847 GBP

5 data points across 6 retailers

6 retailers£252 GBP to £847 GBP

A
Cheapest Retailer
-
£252 GBP
A
Retailer 2
-
£360 GBP
View
A
Retailer 3
-
£391 GBP
View
B+
Retailer 4
-
£685 GBP
View
B+
Retailer 5
-
£721 GBP
View
Most Expensive
B+
Brilliant Earth
22392946A · Nov 4
£847 GBP
$1,140 USD
View
5 more retailers have this diamond
Prices start from £252 GBPSave up to £595 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
1.56ct Marquise
£252 GBP