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Marquise|Lab Grown|IGI

1.51ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG844610679

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844610679

Diamond specifications and retailer prices

From £381 GBP
$511 USD
As of November 1, 2026
Save £759 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,140 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844610679 or 844610679. Listed at 6 retailers as of November 1, 2026, with prices from £381 to £1,140, a £759 spread on the same certified stone. Brilliant Earth lists it at £1,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844610679
Dimensions11.52 × 6.16 × 3.72 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm6.16 mm1.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844610679
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £906 GBP|Low: £381 GBP|High: £906 GBP|Avg: £520 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5£381 GBP
Retailer 3£383 GBP
Retailer 2£429 GBP
Retailer 4£765 GBP
Retailer 1£906 GBP

3 data points across 5 retailers

6 retailers£381 GBP to £1,140 GBP

A
Cheapest Retailer
-
£381 GBP
$511 USD
A
Retailer 2
-
£383 GBP
$514 USD
View
A
Retailer 3
-
£429 GBP
View
B+
Retailer 4
-
£765 GBP
$1,027 USD
View
B
Retailer 5
-
£906 GBP
View
Most Expensive
B
Brilliant Earth
22382427A · Nov 2
£1,140 GBP
$1,530 USD
View
5 more retailers have this diamond
Prices start from £381 GBPSave up to £759 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
£381 GBP