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Marquise|Lab Grown|IGI

2.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790659064

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790659064

Diamond specifications and retailer prices

From £1,243 GBP
$1,665 USD
As of October 30, 2026
Save £4,004 GBP (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,247 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 LG790659064 or 790659064. Listed at 21 retailers as of October 30, 2026, with prices from £1,243 to £5,247, a £4,004 spread on the same certified stone. Brilliant Earth lists it at £5,247. 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 angle34.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790659064
Dimensions12.80 × 6.69 × 4.14 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
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
12.80 mm6.69 mm2.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790659064
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.9%

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 30
Current: £5,247 GBP|Low: £1,193 GBP|High: £5,418 GBP|Avg: £2,723 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16£1,243 GBP
Retailer 6£1,390 GBP
Retailer 4£1,441 GBP
Retailer 17£1,441 GBP
Retailer 15£1,567 GBP
Retailer 7£1,574 GBP
Retailer 5£1,614 GBP
Retailer 2£2,043 GBP
Retailer 12£2,060 GBP
Retailer 14£2,485 GBP
Retailer 13£2,512 GBP
Retailer 9£2,980 GBP
Retailer 10£3,719 GBP
Retailer 3£3,884 GBP
Retailer 11£4,138 GBP
Retailer 8£4,379 GBP
Brilliant Earth£5,247 GBP

44 data points across 17 retailers

21 retailers£1,243 GBP to £5,247 GBP

A
Cheapest Retailer
-
£1,243 GBP
$1,665 USD
A
Retailer 2
-
£1,352 GBP
$1,811 USD
View
A
Retailer 3
-
£1,390 GBP
$1,863 USD
View
Final sale: no returns
Retailer 4
-
£1,441 GBP
$1,931 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,441 GBP
$1,931 USD
View
A
Retailer 6
-
£1,567 GBP
$2,100 USD
View
A
Retailer 7
-
£1,574 GBP
$2,109 USD
View
A
Retailer 8
-
£1,614 GBP
$2,162 USD
View
A
Retailer 9
-
£2,043 GBP
View
A
Retailer 10
-
£2,060 GBP
$2,760 USD
View
B+
Retailer 11
-
£2,485 GBP
$3,329 USD
View
B+
Retailer 12
-
£2,512 GBP
€3,206 EUR
View
Retailer 13
-
£2,516 GBP
$3,371 USD
View
Price last confirmed 52 days ago
B+
Retailer 14
-
£2,702 GBP
$3,620 USD
View
B+
Retailer 15
-
£2,980 GBP
View
B+
Retailer 16
-
£3,719 GBP
ZAR 80,491 ZAR
View
B
Retailer 17
-
£3,884 GBP
$5,204 USD
View
B+
Retailer 18
-
£4,138 GBP
View
B
Retailer 19
-
£4,379 GBP
$5,868 USD
View
B
Retailer 20
-
£5,059 GBP
$6,778 USD
View
Most Expensive
B
Brilliant Earth
22254850A · Oct 31
£5,247 GBP
$7,030 USD
View
20 more retailers have this diamond
Prices start from £1,243 GBPSave up to £4,004 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
£1,243 GBP