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Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843672520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843672520

Diamond specifications and retailer prices

From £200 GBP
$266 USD
As of October 28, 2026
Save £1,174 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,374 GBP at Brilliant Earth · As of October 28, 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 LG843672520 or 843672520. Listed at 13 retailers as of October 28, 2026, with prices from £200 to £1,374, a £1,174 spread on the same certified stone. Brilliant Earth lists it at £1,374. 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 angle32.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672520
Dimensions12.09 × 5.99 × 3.63 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm5.99 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672520
Side View
Table 60.0%Crown 32.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.6%

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 28
Current: £1,374 GBP|Low: £200 GBP|High: £1,374 GBP|Avg: £625 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12£200 GBP
Retailer 11£260 GBP
Retailer 5£299 GBP
Retailer 10£375 GBP
Retailer 7£399 GBP
Retailer 2£417 GBP
Retailer 8£703 GBP
Retailer 9£714 GBP
Retailer 4£751 GBP
Retailer 6£892 GBP
Retailer 3£900 GBP
Retailer 13£987 GBP
Brilliant Earth£1,374 GBP

17 data points across 13 retailers

13 retailers£200 GBP to £1,374 GBP

A
Cheapest Retailer
-
£200 GBP
$266 USD
Final sale: no returns
A
Retailer 2
-
£260 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£299 GBP
$398 USD
View
A
Retailer 4
-
£375 GBP
$500 USD
View
A
Retailer 5
-
£399 GBP
€506 EUR
View
A
Retailer 6
-
£417 GBP
View
B+
Retailer 7
-
£703 GBP
A$1,441 AUD
View
B+
Retailer 8
-
£714 GBP
$951 USD
View
B+
Retailer 9
-
£751 GBP
$1,000 USD
View
B
Retailer 10
-
£892 GBP
View
B
Retailer 11
-
£900 GBP
$1,199 USD
View
B
Retailer 12
-
£987 GBP
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21792271A · Oct 28
£1,374 GBP
$1,830 USD
View
12 more retailers have this diamond
Prices start from £200 GBPSave up to £1,174 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
£200 GBP