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Marquise|Lab Grown|IGI

1.29ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG845653966

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845653966

Diamond specifications and retailer prices

From £331 GBP
As of November 4, 2026
Save £367 GBP (53%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £698 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845653966 or 845653966. Listed at 4 retailers as of November 4, 2026, with prices from £331 to £698, a £367 spread on the same certified stone. Brilliant Earth lists it at £698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845653966
Dimensions11.36 × 5.65 × 3.54 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.65 mm1.29 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845653966
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £375 GBP|Low: £331 GBP|High: £375 GBP|Avg: £348 GBP
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£331 GBP
Retailer 2£352 GBP
Retailer 1£375 GBP

2 data points across 3 retailers

4 retailers£331 GBP to £698 GBP

A
Cheapest Retailer
-
£331 GBP
A
Retailer 2
-
£352 GBP
View
A
Retailer 3
-
£375 GBP
View
Most Expensive
B
Brilliant Earth
22496375A · Nov 4
£698 GBP
$940 USD
View
3 more retailers have this diamond
Prices start from £331 GBPSave up to £367 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
£331 GBP