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Marquise|Lab Grown|IGI

1.54ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG818682175

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682175

Diamond specifications and retailer prices

From £188 GBP
As of November 4, 2026
Save £780 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £968 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818682175 or 818682175. Listed at 21 retailers as of November 4, 2026, with prices from £188 to £968, a £780 spread on the same certified stone. With Clarity lists it at £968. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682175
Dimensions11.46 × 6.15 × 3.89 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.46 mm6.15 mm1.54 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682175
Side View
Table 59.0%Crown 33.7°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £439 GBP|Low: £188 GBP|High: £968 GBP|Avg: £515 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 20
With Clarity
November 5, 2026
Retailer 9£188 GBP
Retailer 10£210 GBP
Retailer 6£218 GBP
Retailer 3£233 GBP
Retailer 5£233 GBP
Retailer 14£264 GBP
Retailer 2£352 GBP
Retailer 19£390 GBP
Retailer 7£396 GBP
Retailer 17£401 GBP
Retailer 1£439 GBP
Retailer 18£484 GBP
Retailer 15£544 GBP
Retailer 16£599 GBP
Retailer 4£749 GBP
Retailer 11£749 GBP
Retailer 20£752 GBP
Retailer 8£787 GBP
Retailer 13£916 GBP
Retailer 12£930 GBP
With Clarity£968 GBP

27 data points across 21 retailers

21 retailers£188 GBP to £968 GBP

A
Cheapest Retailer
-
£188 GBP
A
Retailer 2
-
£210 GBP
View
Final sale: no returns
A
Retailer 3
-
£218 GBP
View
Retailer 4
-
£233 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£233 GBP
View
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£352 GBP
View
A
Retailer 8
-
£390 GBP
View
A
Retailer 9
-
£396 GBP
View
A
Retailer 10
-
£401 GBP
View
A
Retailer 11
-
£439 GBP
View
A
Retailer 12
-
£484 GBP
View
A
Retailer 13
-
£544 GBP
View
B+
Retailer 14
-
£599 GBP
View
B+
Retailer 15
-
£749 GBP
View
B+
Retailer 16
-
£749 GBP
View
B+
Retailer 17
-
£752 GBP
View
B+
Retailer 18
-
£787 GBP
View
B+
Retailer 19
-
£916 GBP
View
B
Retailer 20
-
£930 GBP
View
Most Expensive
B
With Clarity
818682175 · Nov 5
£968 GBP
$1,307 USD
View
20 more retailers have this diamond
Prices start from £188 GBPSave up to £780 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
1.54ct Marquise
£188 GBP