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Marquise|Lab Grown|IGI

2.09ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG842612064

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842612064

Diamond specifications and retailer prices

From £208 GBP
$279 USD
As of November 1, 2026
Save £999 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,207 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842612064 or 842612064. Listed at 3 retailers as of November 1, 2026, with prices from £208 to £1,207, a £999 spread on the same certified stone. Brilliant Earth lists it at £1,207. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.09
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612064
Dimensions12.72 × 6.72 × 4.28 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
12.72 mm6.72 mm2.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612064
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,207 GBP|Low: £203 GBP|High: £1,945 GBP|Avg: £900 GBP|-37.9%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£208 GBP
Retailer 2£455 GBP
Brilliant Earth£1,207 GBP

26 data points across 3 retailers

3 retailers£208 GBP to £1,207 GBP

A
Cheapest Retailer
-
£208 GBP
$279 USD
Final sale: no returns
A
Retailer 2
-
£455 GBP
View
Most Expensive
B+
Brilliant Earth
21709781A · Nov 2
£1,207 GBP
$1,620 USD
View
2 more retailers have this diamond
Prices start from £208 GBPSave up to £999 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
2.09ct Marquise
£208 GBP