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Marquise|Lab Grown|IGI

1.54ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG841641448

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841641448

Diamond specifications and retailer prices

From £227 GBP
As of October 26, 2026
Save £796 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,022 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841641448 or 841641448. Listed at 11 retailers as of October 26, 2026, with prices from £227 to £1,022, a £796 spread on the same certified stone. Brilliant Earth lists it at £1,022. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641448
Dimensions11.63 × 6.14 × 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
11.63 mm6.14 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641448
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: Oct 26
Current: £1,022 GBP|Low: £226 GBP|High: £1,022 GBP|Avg: £541 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 5£227 GBP
Retailer 8£328 GBP
Retailer 3£334 GBP
Retailer 4£346 GBP
Retailer 2£352 GBP
Retailer 9£368 GBP
Retailer 7£453 GBP
Retailer 11£625 GBP
Retailer 6£777 GBP
Retailer 10£789 GBP
Brilliant Earth£1,022 GBP

10 data points across 11 retailers

11 retailers£227 GBP to £1,022 GBP

A
Cheapest Retailer
-
£227 GBP
Retailer 2
-
£328 GBP
ZAR 7,092 ZAR
View
Price last confirmed 9 days ago
Retailer 3
-
£334 GBP
$448 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£346 GBP
View
A
Retailer 5
-
£352 GBP
€449 EUR
View
Retailer 6
-
£368 GBP
$493 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£453 GBP
A$934 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£625 GBP
$838 USD
View
B+
Retailer 9
-
£777 GBP
View
B
Retailer 10
-
£789 GBP
$1,057 USD
View
Most Expensive
B
Brilliant Earth
22164446A · Oct 26
£1,022 GBP
$1,370 USD
View
10 more retailers have this diamond
Prices start from £227 GBPSave up to £796 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
£227 GBP