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Marquise|Lab Grown|IGI

2.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846662449

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846662449

Diamond specifications and retailer prices

From £997 GBP
As of November 1, 2026
Save £3,273 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,269 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662449 or 846662449. Listed at 10 retailers as of October 31, 2026, with prices from £997 to £4,269, a £3,273 spread on the same certified stone. Brilliant Earth lists it at £4,269. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662449
Dimensions12.53 × 6.64 × 4.27 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.53 mm6.64 mm2.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662449
Side View
Table 61.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,269 GBP|Low: £997 GBP|High: £4,524 GBP|Avg: £2,299 GBP|+0.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£997 GBP
Retailer 10£1,049 GBP
Retailer 3£1,444 GBP
Retailer 6£1,470 GBP
Retailer 5£1,892 GBP
Retailer 9£1,981 GBP
Retailer 7£2,832 GBP
Retailer 2£3,071 GBP
Retailer 8£3,709 GBP
Brilliant Earth£4,269 GBP

15 data points across 10 retailers

10 retailers£997 GBP to £4,269 GBP

A
Cheapest Retailer
-
£997 GBP
A
Retailer 2
-
£1,049 GBP
$1,405 USD
View
A
Retailer 3
-
£1,444 GBP
$1,935 USD
View
A
Retailer 4
-
£1,470 GBP
$1,969 USD
View
A
Retailer 5
-
£1,892 GBP
$2,535 USD
View
A
Retailer 6
-
£1,981 GBP
€2,528 EUR
View
B+
Retailer 7
-
£2,832 GBP
$3,795 USD
View
B+
Retailer 8
-
£3,071 GBP
View
B+
Retailer 9
-
£3,709 GBP
$4,969 USD
View
Most Expensive
B
Brilliant Earth
22158385A · Oct 31
£4,269 GBP
$5,720 USD
View
9 more retailers have this diamond
Prices start from £997 GBPSave up to £3,273 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
2.05ct Marquise
£997 GBP