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Marquise|Lab Grown|IGI

0.71ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG502114633

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502114633

Diamond specifications and retailer prices

From £305 GBP
As of November 5, 2026
Save £7 GBP (2%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £312 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502114633 or 502114633. Listed at 2 retailers as of November 4, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.71
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502114633
Dimensions9.73 × 4.69 × 2.74 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.73 mm4.69 mm0.71 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502114633
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £312 GBP|Low: £78 GBP|High: £759 GBP|Avg: £385 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
June 13, 2026
Retailer 2£78 GBP
Retailer 5£193 GBP
Retailer 6£207 GBP
Retailer 7£286 GBP
Retailer 4£291 GBP
Brilliant Earth£312 GBP
Retailer 10£330 GBP
Retailer 8£380 GBP
Retailer 11£415 GBP
Retailer 9£509 GBP
Retailer 3£611 GBP

63 data points across 11 retailers

2 retailers£305 GBP to £312 GBP

A
Cheapest Retailer
-
£305 GBP
Most Expensive
A
Brilliant Earth
5941765A · Nov 4
£312 GBP
$420 USD
View
1 more retailer has this diamond
Prices start from £305 GBPSave up to £7 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
0.71ct Marquise
£305 GBP