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Marquise|Lab Grown|IGI

5.08ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG844685956

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844685956

Diamond specifications and retailer prices

From £4,831 GBP
$6,473 USD
As of October 30, 2026
Save £14,500 GBP (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £19,331 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.08ct lab-grown marquise diamond

This 5.08ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844685956 or 844685956. Listed at 17 retailers as of October 30, 2026, with prices from £4,831 to £19,331, a £14,500 spread on the same certified stone. Taylor and Hart lists it at £19,331. 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

5.08
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844685956
Dimensions18.01 × 9.02 × 5.56 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.01 mm9.02 mm5.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844685956
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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: £6,551 GBP|Low: £4,831 GBP|High: £19,709 GBP|Avg: £9,362 GBP|-2.2%
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
Taylor and Hart
October 31, 2026
Retailer 4£4,831 GBP
Retailer 5£5,410 GBP
Retailer 3£5,586 GBP
Retailer 8£5,785 GBP
Retailer 1£6,551 GBP
Retailer 13£6,653 GBP
Retailer 10£7,015 GBP
Retailer 15£7,071 GBP
Retailer 2£7,996 GBP
Retailer 6£8,275 GBP
Retailer 12£9,994 GBP
Retailer 11£11,263 GBP
Retailer 9£11,385 GBP
Retailer 7£12,006 GBP
Retailer 14£15,595 GBP
Taylor and Hart£19,331 GBP

16 data points across 16 retailers

17 retailers£4,831 GBP to £19,331 GBP

A
Cheapest Retailer
-
£4,831 GBP
$6,473 USD
A
Retailer 2
-
£5,410 GBP
$7,249 USD
View
Final sale: no returns
A
Retailer 3
-
£5,586 GBP
$7,485 USD
View
A
Retailer 4
-
£5,785 GBP
View
A
Retailer 5
-
£6,551 GBP
$8,777 USD
View
A
Retailer 6
-
£6,653 GBP
$8,914 USD
View
A
Retailer 7
-
£7,015 GBP
View
A
Retailer 8
-
£7,071 GBP
$9,475 USD
View
A
Retailer 9
-
£7,996 GBP
View
A
Retailer 10
-
£8,275 GBP
$11,088 USD
View
A
Retailer 11
-
£9,994 GBP
$13,391 USD
View
A
Retailer 12
-
£11,263 GBP
View
A
Retailer 13
-
£11,385 GBP
ZAR 246,450 ZAR
View
Retailer 14
-
£12,006 GBP
A$24,749 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
£13,867 GBP
$18,580 USD
View
A
Retailer 16
-
£15,595 GBP
$20,896 USD
View
Most Expensive
A
Taylor and Hart
K7VXD3F · Oct 30
£19,331 GBP
$25,902 USD
View
16 more retailers have this diamond
Prices start from £4,831 GBPSave up to £14,500 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
5.08ct Marquise
£4,831 GBP