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Marquise|Lab Grown|IGI

5.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG841633725

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841633725

Diamond specifications and retailer prices

From £11,383 GBP
$15,252 USD
As of October 31, 2026
Save £23,347 GBP (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £34,730 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841633725 or 841633725. Listed at 15 retailers as of October 30, 2026, with prices from £11,383 to £34,730, a £23,347 spread on the same certified stone. Reve Diamonds lists it at £34,730. 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

5.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841633725
Dimensions18.53 × 8.60 × 5.45 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.53 mm8.60 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841633725
Side View
Table 61.0%Crown 32.8°Girdle: STK-VTKPavilion 39.9°Culet: NoneDepth 63.4%

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 31
Current: £12,150 GBP|Low: £11,383 GBP|High: £69,002 GBP|Avg: £29,096 GBP|-50.1%
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
Reve Diamonds
October 31, 2026
Retailer 12£11,383 GBP
Retailer 1£12,150 GBP
Retailer 8£12,861 GBP
Retailer 14£13,956 GBP
Retailer 10£14,051 GBP
Retailer 2£17,846 GBP
Retailer 13£19,121 GBP
Retailer 11£19,673 GBP
Retailer 6£21,361 GBP
Retailer 7£22,512 GBP
Retailer 9£25,313 GBP
Retailer 3£31,951 GBP
Reve Diamonds£34,730 GBP
Retailer 4£42,733 GBP
Retailer 5£50,575 GBP

11 data points across 15 retailers

15 retailers£11,383 GBP to £34,730 GBP

A
Cheapest Retailer
-
£11,383 GBP
$15,252 USD
A
Retailer 2
-
£12,150 GBP
$16,280 USD
View
A
Retailer 3
-
£12,861 GBP
View
A
Retailer 4
-
£13,956 GBP
$18,700 USD
View
Final sale: no returns
A
Retailer 5
-
£14,051 GBP
View
A
Retailer 6
-
£17,846 GBP
View
A
Retailer 7
-
£19,121 GBP
$25,620 USD
View
A
Retailer 8
-
£19,673 GBP
View
B+
Retailer 9
-
£21,361 GBP
$28,621 USD
View
B+
Retailer 10
-
£22,512 GBP
$30,164 USD
View
B+
Retailer 11
-
£25,313 GBP
ZAR 547,928 ZAR
View
B+
Retailer 12
-
£31,951 GBP
$42,811 USD
View
Most Expensive
B
Reve Diamonds
48A603BFD · Oct 30
£34,730 GBP
$46,535 USD
View
12 more retailers have this diamond
Prices start from £11,383 GBPSave up to £23,347 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
5.09ct Marquise
£11,383 GBP