Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG837601954

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837601954

Diamond specifications and retailer prices

From £475 GBP
$633 USD
As of October 23, 2026
Save £674 GBP (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,149 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837601954 or 837601954. Listed at 12 retailers as of October 23, 2026, with prices from £475 to £1,149, a £674 spread on the same certified stone. Brilliant Earth lists it at £1,149. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837601954
Dimensions11.43 × 6.06 × 3.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm6.06 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837601954
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

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 23
Current: £1,149 GBP|Low: £181 GBP|High: £1,164 GBP|Avg: £671 GBP|-1.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 22, 2026
Retailer 9£187 GBP
Retailer 5£217 GBP
Retailer 2£271 GBP
Retailer 8£383 GBP
Retailer 4£462 GBP
Retailer 3£475 GBP
Retailer 6£713 GBP
Retailer 12£746 GBP
Retailer 11£844 GBP
Retailer 7£935 GBP
Retailer 10£993 GBP
Brilliant Earth£1,149 GBP

25 data points across 12 retailers

12 retailers£475 GBP to £1,149 GBP

A
Retailer 1
-
£187 GBP
$249 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£217 GBP
$289 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£271 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£383 GBP
€486 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
£462 GBP
$615 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£475 GBP
$633 USD
View
B+
Retailer 7
-
£713 GBP
$949 USD
View
B+
Retailer 8
-
£746 GBP
$993 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
£844 GBP
$1,124 USD
View
B
Retailer 10
-
£935 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
£993 GBP
$1,322 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21361017A · Oct 23
£1,149 GBP
$1,530 USD
View
11 more retailers have this diamond
Prices start from £475 GBPSave up to £674 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
£475 GBP