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Marquise|Lab Grown|IGI

5.56ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG691584865

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG691584865

Diamond specifications and retailer prices

From £521 GBP
$699 USD
As of November 2, 2026
Save £3,053 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,574 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.56ct lab-grown marquise diamond

This 5.56ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691584865 or 691584865. Listed at 9 retailers as of November 1, 2026, with prices from £521 to £3,574, a £3,053 spread on the same certified stone. MOH London lists it at £3,574. 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

5.56
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691584865
Dimensions19.11 × 9.20 × 5.46 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.11 mm9.20 mm5.56 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691584865
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
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 2
Current: £3,574 GBP|Low: £521 GBP|High: £3,593 GBP|Avg: £1,626 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4£521 GBP
Retailer 5£567 GBP
Retailer 3£676 GBP
Retailer 9£1,415 GBP
Retailer 2£1,489 GBP
Retailer 8£1,760 GBP
Retailer 7£1,762 GBP
Retailer 6£2,085 GBP
MOH London£3,574 GBP

11 data points across 9 retailers

9 retailers£521 GBP to £3,574 GBP

A
Cheapest Retailer
-
£521 GBP
$699 USD
A
Retailer 2
-
£567 GBP
$761 USD
View
A
Retailer 3
-
£676 GBP
View
B+
Retailer 4
-
£1,415 GBP
$1,899 USD
View
B+
Retailer 5
-
£1,489 GBP
$1,998 USD
View
B+
Retailer 6
-
£1,760 GBP
$2,362 USD
View
B
Retailer 7
-
£1,762 GBP
$2,365 USD
View
B+
Retailer 8
-
£2,085 GBP
$2,798 USD
View
Most Expensive
B
MOH London
LG691584865 · Nov 1
£3,574 GBP
View
8 more retailers have this diamond
Prices start from £521 GBPSave up to £3,053 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
5.56ct Marquise
£521 GBP