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Marquise|Lab Grown|IGI

0.73ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG823640383

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823640383

Diamond specifications and retailer prices

From £188 GBP
As of November 5, 2026
Save £267 GBP (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £604 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.73ct lab-grown marquise diamond

This 0.73ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823640383 or 823640383. Listed at 8 retailers as of November 4, 2026, with a 142% 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

0.73
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823640383
Dimensions9.41 × 4.66 × 2.89 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.41 mm4.66 mm0.73 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823640383
Side View
Table 61.0%Crown 34.9°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.0%

Caratlytics Score

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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 5
Current: £604 GBP|Low: £187 GBP|High: £1,056 GBP|Avg: £342 GBP|-42.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£188 GBP
Retailer 5£196 GBP
Retailer 2£219 GBP
Retailer 7£240 GBP
Retailer 4£281 GBP
Retailer 6£302 GBP
Retailer 8£456 GBP
MOH London£604 GBP

29 data points across 8 retailers

8 retailers£188 GBP to £456 GBP

A
Cheapest Retailer
-
£188 GBP
Retailer 2
-
£196 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£219 GBP
View
A
Retailer 4
-
£240 GBP
View
A
Retailer 5
-
£281 GBP
View
Retailer 6
-
£302 GBP
View
Price last confirmed 7 days ago
B
Retailer 7
-
£456 GBP
View
Most Expensive
MOH London
LG823640383 · Oct 26
£604 GBP
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from £188 GBPSave up to £267 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
0.73ct Marquise
£188 GBP