CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG847678795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847678795

Diamond specifications and retailer prices

From £448 GBP
HK$4,700 HKD
As of November 1, 2026
Save £1,039 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,488 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG847678795 or 847678795. Listed at 8 retailers as of November 1, 2026, with prices from £448 to £1,488, a £1,039 spread on the same certified stone. MOH London lists it at £1,488. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847678795
Dimensions11.87 × 5.95 × 3.65 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm5.95 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847678795
Side View
Table 65.0%Crown 33.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.3%

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: £1,488 GBP|Low: £448 GBP|High: £1,488 GBP|Avg: £869 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£448 GBP
Retailer 3£545 GBP
Retailer 4£583 GBP
Retailer 2£663 GBP
Retailer 5£793 GBP
Retailer 7£1,316 GBP
Retailer 6£1,327 GBP
MOH London£1,488 GBP

5 data points across 8 retailers

8 retailers£448 GBP to £1,488 GBP

A
Cheapest Retailer
-
£448 GBP
HK$4,700 HKD
A
Retailer 2
-
£545 GBP
$732 USD
View
A
Retailer 3
-
£583 GBP
$782 USD
View
A
Retailer 4
-
£663 GBP
View
A
Retailer 5
-
£793 GBP
$1,064 USD
View
B+
Retailer 6
-
£1,316 GBP
$1,766 USD
View
B+
Retailer 7
-
£1,327 GBP
$1,781 USD
View
Most Expensive
B+
MOH London
LG847678795 · Nov 1
£1,488 GBP
View
7 more retailers have this diamond
Prices start from £448 GBPSave up to £1,039 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
1.51ct Marquise
£448 GBP