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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG841641960

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841641960

Diamond specifications and retailer prices

From £353 GBP
€451 EUR
As of October 27, 2026
Save £669 GBP (65%) 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 1.55ct lab-grown marquise diamond

This 1.55ct 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 LG841641960 or 841641960. Listed at 11 retailers as of October 26, 2026, with prices from £353 to £1,022, a £669 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

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641960
Dimensions11.67 × 6.10 × 3.85 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm6.10 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641960
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,022 GBP|Low: £228 GBP|High: £1,022 GBP|Avg: £548 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 4£228 GBP
Retailer 7£329 GBP
Retailer 11£334 GBP
Retailer 2£348 GBP
Retailer 5£353 GBP
Retailer 8£372 GBP
Retailer 6£456 GBP
Retailer 10£628 GBP
Retailer 3£785 GBP
Retailer 9£793 GBP
Brilliant Earth£1,022 GBP

9 data points across 11 retailers

11 retailers£353 GBP to £1,022 GBP

Retailer 1
-
£228 GBP
Price last confirmed 7 days ago
Retailer 2
-
£329 GBP
ZAR 7,132 ZAR
View
Price last confirmed 10 days ago
Retailer 3
-
£334 GBP
$448 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£348 GBP
View
Price last confirmed 7 days ago
A
Retailer 5
-
£353 GBP
€451 EUR
View
Retailer 6
-
£372 GBP
$498 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£456 GBP
A$939 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
£628 GBP
$842 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£785 GBP
View
Price last confirmed 12 days ago
B
Retailer 10
-
£793 GBP
$1,063 USD
View
Most Expensive
B
Brilliant Earth
22164733A · Oct 26
£1,022 GBP
$1,370 USD
View
10 more retailers have this diamond
Prices start from £353 GBPSave up to £669 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
1.55ct Marquise
£353 GBP