Marquise|Lab Grown|IGI

1.29ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843611462

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843611462

Diamond specifications and retailer prices

From £255 GBP
$340 USD
As of October 23, 2026
Save £355 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £890 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843611462 or 843611462. Listed at 8 retailers as of October 23, 2026, with a 139% 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

1.29
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843611462
Dimensions11.01 × 5.74 × 3.61 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.01 mm5.74 mm1.29 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843611462
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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: Oct 23
Current: £890 GBP|Low: £255 GBP|High: £890 GBP|Avg: £527 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 23, 2026
Retailer 9£255 GBP
Retailer 5£319 GBP
Retailer 2£336 GBP
Retailer 3£369 GBP
Retailer 4£611 GBP
Retailer 8£644 GBP
Retailer 6£649 GBP
Retailer 7£769 GBP
MOH London£890 GBP

9 data points across 9 retailers

8 retailers£255 GBP to £611 GBP

B+
Cheapest Retailer
-
£255 GBP
$340 USD
A
Retailer 2
-
£336 GBP
View
A
Retailer 3
-
£369 GBP
$491 USD
View
B
Retailer 4
-
£611 GBP
$813 USD
View
B
Retailer 5
-
£644 GBP
$857 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
£649 GBP
$864 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
£769 GBP
SGD 1,383 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG843611462 · Oct 21
£890 GBP
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from £255 GBPSave up to £355 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
1.29ct Marquise
£255 GBP