Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG836623276

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836623276

Diamond specifications and retailer prices

From £475 GBP
$633 USD
As of October 23, 2026
Save £369 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £993 GBP at With Clarity · As of October 21, 2026
View at With Clarity

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 LG836623276 or 836623276. Listed at 11 retailers as of October 23, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836623276
Dimensions11.98 × 6.30 × 3.68 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm6.30 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836623276
Side View
Table 61.0%Crown 33.6°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: £271 GBP|Low: £181 GBP|High: £1,012 GBP|Avg: £639 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
With Clarity
October 22, 2026
Retailer 8£187 GBP
Retailer 5£217 GBP
Retailer 1£271 GBP
Retailer 7£383 GBP
Retailer 2£462 GBP
Retailer 11£475 GBP
Retailer 6£713 GBP
Retailer 10£746 GBP
Retailer 9£844 GBP
Retailer 4£935 GBP
Retailer 3£947 GBP
With Clarity£993 GBP

25 data points across 12 retailers

11 retailers£475 GBP to £844 GBP

Retailer 1
-
£187 GBP
$249 USD
Price last confirmed 8 days ago
Retailer 2
-
£217 GBP
$289 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£271 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£462 GBP
$615 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£475 GBP
$633 USD
View
B+
Retailer 6
-
£713 GBP
$949 USD
View
Retailer 7
-
£746 GBP
$993 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
£844 GBP
$1,124 USD
View
Retailer 9
-
£935 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£947 GBP
SGD 1,705 SGD
View
Price last confirmed 17 days ago
Most Expensive
With Clarity
836623276 · Oct 21
£993 GBP
$1,322 USD
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from £475 GBPSave up to £369 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.

B+
1.51ct Marquise
£475 GBP