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Marquise|Lab Grown|IGI

1.54ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG788659786

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788659786

Diamond specifications and retailer prices

From £194 GBP
As of November 4, 2026
Save £750 GBP (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £944 GBP at Frank Darling · As of November 4, 2026
View at Frank Darling

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 LG788659786 or 788659786. Listed at 6 retailers as of November 4, 2026, with prices from £194 to £944, a £750 spread on the same certified stone. Frank Darling lists it at £944. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788659786
Dimensions12.00 × 5.99 × 3.79 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm5.99 mm1.54 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788659786
Side View
Table 60.0%Crown 37.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.3%

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 4
Current: £944 GBP|Low: £194 GBP|High: £1,674 GBP|Avg: £683 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2£194 GBP
Retailer 7£290 GBP
Retailer 11£304 GBP
Retailer 4£458 GBP
Retailer 3£464 GBP
Retailer 8£542 GBP
Retailer 12£630 GBP
Retailer 5£744 GBP
Retailer 6£764 GBP
Retailer 10£893 GBP
Frank Darling£944 GBP
Retailer 9£1,674 GBP

8 data points across 12 retailers

6 retailers£194 GBP to £944 GBP

A
Cheapest Retailer
-
£194 GBP
Final sale: no returns
B+
Retailer 2
-
£290 GBP
View
Retailer 3
-
£542 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£744 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£764 GBP
View
Most Expensive
B
Frank Darling
100761051285KD · Nov 4
£944 GBP
$1,275 USD
View
5 more retailers have this diamond
Prices start from £194 GBPSave up to £750 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
£194 GBP