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Marquise|Lab Grown|IGI

5.10ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594981

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594981

Diamond specifications and retailer prices

From £21,855 GBP
$29,328 USD
As of November 1, 2026
Save £14,109 GBP (39%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £35,964 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.1ct lab-grown marquise diamond

This 5.1ct 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 LG754594981 or 754594981. Listed at 26 retailers as of November 1, 2026, with prices from £21,855 to £35,964, a £14,109 spread on the same certified stone. MOH London lists it at £35,964. 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

5.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594981
Dimensions17.34 × 8.92 × 5.64 mm
L/W Ratio1.94
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
17.34 mm8.92 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594981
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.2%

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: £35,964 GBP|Low: £19,472 GBP|High: £78,594 GBP|Avg: £39,380 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
November 1, 2026
Retailer 10£19,472 GBP
Retailer 3£22,708 GBP
Retailer 17£22,944 GBP
Retailer 16£24,124 GBP
Retailer 6£24,846 GBP
Retailer 8£25,439 GBP
Retailer 15£27,571 GBP
Retailer 13£28,656 GBP
Retailer 12£33,402 GBP
Retailer 18£35,049 GBP
MOH London£35,964 GBP
Retailer 4£40,078 GBP
Retailer 11£41,101 GBP
Retailer 14£47,938 GBP
Retailer 2£57,074 GBP
Retailer 9£59,769 GBP
Retailer 7£78,075 GBP
Retailer 5£78,594 GBP

34 data points across 18 retailers

26 retailers£21,855 GBP to £35,964 GBP

A
Cheapest Retailer
-
£21,855 GBP
$29,328 USD
Retailer 2
-
£21,855 GBP
$29,328 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£21,855 GBP
$29,328 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
£22,708 GBP
$30,473 USD
View
B+
Retailer 5
-
£22,944 GBP
$30,790 USD
View
B+
Retailer 6
-
£24,124 GBP
$32,373 USD
View
Retailer 7
-
£24,124 GBP
$32,373 USD
View
Price last confirmed 25 days ago
Retailer 8
-
£24,124 GBP
$32,373 USD
View
Price last confirmed 33 days ago
Retailer 9
-
£24,317 GBP
$32,632 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
£24,846 GBP
$33,342 USD
View
B+
Retailer 11
-
£25,439 GBP
$34,138 USD
View
B+
Retailer 12
-
£27,571 GBP
$36,998 USD
View
Retailer 13
-
£27,598 GBP
$37,035 USD
View
Price last confirmed 34 days ago
Retailer 14
-
£27,983 GBP
$37,552 USD
View
Price last confirmed 30 days ago
Retailer 15
-
£27,983 GBP
$37,552 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£28,656 GBP
View
B
Retailer 17
-
£33,402 GBP
$44,824 USD
View
Final sale: no returns
B
Retailer 18
-
£35,049 GBP
$47,033 USD
View
Most Expensive
B
MOH London
LG754594981 · Nov 1
£35,964 GBP
View
18 more retailers have this diamond
Prices start from £21,855 GBPSave up to £14,109 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
5.10ct Marquise
£21,855 GBP