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Marquise|Lab Grown|IGI

2.05ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611709

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611709

Diamond specifications and retailer prices

From £1,386 GBP
$1,857 USD
As of October 30, 2026
Save £4,248 GBP (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,634 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG790611709 or 790611709. Listed at 24 retailers as of October 30, 2026, with prices from £1,386 to £5,634, a £4,248 spread on the same certified stone. Taylor and Hart lists it at £5,634. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611709
Dimensions12.66 × 6.70 × 4.21 mm
L/W Ratio1.89
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
12.66 mm6.70 mm2.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611709
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: Oct 30
Current: £4,592 GBP|Low: £1,331 GBP|High: £7,787 GBP|Avg: £3,112 GBP|-26.9%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
November 1, 2026
Retailer 20£1,386 GBP
Retailer 9£1,552 GBP
Retailer 3£1,608 GBP
Retailer 8£1,608 GBP
Retailer 6£1,621 GBP
Retailer 7£1,711 GBP
Retailer 19£1,731 GBP
Retailer 5£1,853 GBP
Retailer 12£2,211 GBP
Retailer 4£2,520 GBP
Retailer 15£2,547 GBP
Retailer 18£2,705 GBP
Retailer 17£3,014 GBP
Retailer 13£3,333 GBP
Retailer 2£4,144 GBP
Retailer 14£4,149 GBP
Retailer 1£4,592 GBP
Retailer 10£4,838 GBP
Retailer 16£5,262 GBP
Retailer 11£5,369 GBP
Taylor and Hart£5,634 GBP

40 data points across 21 retailers

24 retailers£1,386 GBP to £5,634 GBP

A
Cheapest Retailer
-
£1,386 GBP
$1,857 USD
A
Retailer 2
-
£1,508 GBP
$2,021 USD
View
A
Retailer 3
-
£1,552 GBP
$2,079 USD
View
Final sale: no returns
Retailer 4
-
£1,608 GBP
$2,154 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,608 GBP
$2,154 USD
View
A
Retailer 6
-
£1,621 GBP
$2,172 USD
View
A
Retailer 7
-
£1,711 GBP
$2,293 USD
View
A
Retailer 8
-
£1,731 GBP
$2,320 USD
View
A
Retailer 9
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£1,853 GBP
HK$19,400 HKD
View
B+
Retailer 10
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£2,211 GBP
View
Retailer 11
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£2,490 GBP
$3,336 USD
View
Price last confirmed 76 days ago
B+
Retailer 12
-
£2,520 GBP
$3,377 USD
View
B+
Retailer 13
-
£2,547 GBP
€3,250 EUR
View
B+
Retailer 14
-
£2,705 GBP
$3,624 USD
View
B+
Retailer 15
-
£3,014 GBP
$4,038 USD
View
B
Retailer 16
-
£3,333 GBP
View
B
Retailer 17
-
£4,144 GBP
$5,553 USD
View
B
Retailer 18
-
£4,149 GBP
ZAR 89,804 ZAR
View
B
Retailer 19
-
£4,332 GBP
$5,805 USD
View
B
Retailer 20
-
£4,592 GBP
View
B
Retailer 21
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£4,838 GBP
$6,482 USD
View
B
Retailer 22
-
£5,262 GBP
$7,050 USD
View
B
Retailer 23
-
£5,369 GBP
SGD 9,722 SGD
View
Most Expensive
B
Taylor and Hart
Z2NUF27 · Oct 31
£5,634 GBP
$7,548 USD
View
23 more retailers have this diamond
Prices start from £1,386 GBPSave up to £4,248 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
£1,386 GBP