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Marquise|Lab Grown|IGI

1.51ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG825654369

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654369

Diamond specifications and retailer prices

From £184 GBP
As of November 4, 2026
Save £1,116 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,300 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654369 or 825654369. Listed at 19 retailers as of November 4, 2026, with prices from £184 to £1,300, a £1,116 spread on the same certified stone. Brilliant Earth lists it at £1,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654369
Dimensions11.39 × 5.95 × 3.80 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
11.39 mm5.95 mm1.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654369
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.9%

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 4
Current: £278 GBP|Low: £178 GBP|High: £937 GBP|Avg: £469 GBP|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 5£184 GBP
Retailer 6£206 GBP
Retailer 2£214 GBP
Retailer 15£229 GBP
Retailer 17£229 GBP
Retailer 1£278 GBP
Retailer 7£308 GBP
Retailer 9£353 GBP
Retailer 3£370 GBP
Retailer 10£429 GBP
Retailer 11£589 GBP
Retailer 13£663 GBP
Retailer 14£717 GBP
Retailer 16£735 GBP
Retailer 8£739 GBP
Retailer 4£773 GBP
Retailer 12£921 GBP

33 data points across 17 retailers

19 retailers£184 GBP to £1,300 GBP

A
Cheapest Retailer
-
£184 GBP
A
Retailer 2
-
£206 GBP
View
Final sale: no returns
A
Retailer 3
-
£214 GBP
View
Retailer 4
-
£229 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£229 GBP
View
A
Retailer 6
-
£278 GBP
View
B+
Retailer 7
-
£308 GBP
View
Retailer 8
-
£353 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
£370 GBP
View
A
Retailer 10
-
£429 GBP
View
B+
Retailer 11
-
£589 GBP
View
Retailer 12
-
£663 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£717 GBP
View
B+
Retailer 14
-
£735 GBP
View
B+
Retailer 15
-
£739 GBP
View
B
Retailer 16
-
£773 GBP
View
B
Retailer 17
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£899 GBP
View
Retailer 18
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£921 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22456709A · Nov 4
£1,300 GBP
$1,750 USD
View
18 more retailers have this diamond
Prices start from £184 GBPSave up to £1,116 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
£184 GBP