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Marquise|Lab Grown|IGI

1.51ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG811670269

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811670269

Diamond specifications and retailer prices

From £171 GBP
$229 USD
As of November 2, 2026
Save £835 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,006 GBP at Brilliant Earth · As of November 2, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811670269 or 811670269. Listed at 19 retailers as of November 2, 2026, with prices from £171 to £1,006, a £835 spread on the same certified stone. Brilliant Earth lists it at £1,006. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811670269
Dimensions11.11 × 5.83 × 3.85 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.11 mm5.83 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811670269
Side View
Table 60.0%Crown 34.6°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 66.0%

Caratlytics Score

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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: Nov 2
Current: £1,006 GBP|Low: £171 GBP|High: £1,058 GBP|Avg: £553 GBP|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 20
November 2, 2026
Retailer 3£171 GBP
Retailer 19£191 GBP
Retailer 15£197 GBP
Retailer 7£211 GBP
Retailer 11£226 GBP
Retailer 13£235 GBP
Retailer 4£291 GBP
Retailer 18£306 GBP
Retailer 8£363 GBP
Retailer 14£392 GBP
Retailer 2£575 GBP
Retailer 17£679 GBP
Retailer 6£718 GBP
Retailer 9£757 GBP
Retailer 20£777 GBP
Retailer 16£827 GBP
Retailer 12£886 GBP
Retailer 10£910 GBP
Retailer 5£958 GBP
Brilliant Earth£1,006 GBP

21 data points across 20 retailers

19 retailers£171 GBP to £1,006 GBP

A
Cheapest Retailer
-
£171 GBP
$229 USD
A
Retailer 2
-
£191 GBP
$256 USD
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
$265 USD
View
A
Retailer 4
-
£211 GBP
$283 USD
View
Retailer 5
-
£226 GBP
$303 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£235 GBP
View
B+
Retailer 7
-
£291 GBP
$390 USD
View
A
Retailer 8
-
£306 GBP
$411 USD
View
A
Retailer 9
-
£363 GBP
€464 EUR
View
A
Retailer 10
-
£392 GBP
View
B+
Retailer 11
-
£575 GBP
$771 USD
View
B+
Retailer 12
-
£679 GBP
$911 USD
View
B+
Retailer 13
-
£718 GBP
$964 USD
View
Retailer 14
-
£757 GBP
A$1,562 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£777 GBP
$1,043 USD
View
B
Retailer 16
-
£827 GBP
$1,110 USD
View
Retailer 17
-
£910 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£958 GBP
$1,285 USD
View
Most Expensive
B
Brilliant Earth
20658656A · Nov 2
£1,006 GBP
$1,350 USD
View
18 more retailers have this diamond
Prices start from £171 GBPSave up to £835 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
£171 GBP