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Marquise|Lab Grown|IGI

1.82ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG841634627

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841634627

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of November 1, 2026
Save £906 GBP (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,110 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.82ct lab-grown marquise diamond

This 1.82ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841634627 or 841634627. Listed at 3 retailers as of November 1, 2026, with prices from £204 to £1,110, a £906 spread on the same certified stone. Brilliant Earth lists it at £1,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.82
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841634627
Dimensions12.29 × 6.53 × 4.03 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.29 mm6.53 mm1.82 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841634627
Side View
Table 61.0%Crown 36.8°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,110 GBP|Low: £204 GBP|High: £1,170 GBP|Avg: £685 GBP|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£204 GBP
Retailer 2£441 GBP
Brilliant Earth£1,110 GBP

29 data points across 3 retailers

3 retailers£204 GBP to £1,110 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
Final sale: no returns
A
Retailer 2
-
£441 GBP
View
Most Expensive
B
Brilliant Earth
21706520A · Nov 2
£1,110 GBP
$1,490 USD
View
2 more retailers have this diamond
Prices start from £204 GBPSave up to £906 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
1.82ct Marquise
£204 GBP