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Marquise|Lab Grown|IGI

1.44ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG784603583

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784603583

Diamond specifications and retailer prices

From £182 GBP
$244 USD
As of November 1, 2026
Save £1,087 GBP (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,269 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.44ct lab-grown marquise diamond

This 1.44ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784603583 or 784603583. Listed at 5 retailers as of October 27, 2026, with prices from £182 to £1,269, a £1,087 spread on the same certified stone. Brilliant Earth lists it at £1,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.44
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784603583
Dimensions11.53 × 5.90 × 3.71 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm5.90 mm1.44 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784603583
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,269 GBP|Low: £150 GBP|High: £1,269 GBP|Avg: £551 GBP|+7.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 4£182 GBP
Retailer 10£301 GBP
Retailer 6£309 GBP
Retailer 7£364 GBP
Retailer 2£386 GBP
Retailer 11£466 GBP
Retailer 3£552 GBP
Retailer 8£632 GBP
Retailer 5£746 GBP
Retailer 9£889 GBP
Brilliant Earth£1,269 GBP

32 data points across 11 retailers

5 retailers£182 GBP to £1,269 GBP

A
Cheapest Retailer
-
£182 GBP
$244 USD
Final sale: no returns
A
Retailer 2
-
£386 GBP
View
Retailer 3
-
£500 GBP
A$1,031 AUD
View
Price last confirmed 121 days ago
Retailer 4
-
£746 GBP
$1,000 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
18352797A · Oct 27
£1,269 GBP
$1,700 USD
View
4 more retailers have this diamond
Prices start from £182 GBPSave up to £1,087 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
1.44ct Marquise
£182 GBP