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Marquise|Lab Grown|IGI

1.45ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG787623588

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787623588

Diamond specifications and retailer prices

From £341 GBP
As of November 4, 2026
Save £1,667 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,007 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787623588 or 787623588. Listed at 15 retailers as of November 4, 2026, with prices from £341 to £2,007, a £1,667 spread on the same certified stone. Brilliant Earth lists it at £2,007. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623588
Dimensions11.56 × 5.93 × 3.72 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.56 mm5.93 mm1.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623588
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £2,007 GBP|Low: £341 GBP|High: £2,015 GBP|Avg: £807 GBP|-0.4%
Brilliant Earth
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
November 5, 2026
Retailer 10£341 GBP
Retailer 11£413 GBP
Retailer 7£517 GBP
Retailer 8£517 GBP
Retailer 3£536 GBP
Retailer 15£570 GBP
Retailer 5£572 GBP
Retailer 2£621 GBP
Retailer 13£661 GBP
Retailer 12£833 GBP
Retailer 14£975 GBP
Retailer 6£1,070 GBP
Retailer 4£1,085 GBP
Retailer 9£1,170 GBP
Brilliant Earth£2,007 GBP

43 data points across 15 retailers

15 retailers£341 GBP to £2,007 GBP

A
Cheapest Retailer
-
£341 GBP
A
Retailer 2
-
£413 GBP
View
A
Retailer 3
-
£517 GBP
View
A
Retailer 4
-
£517 GBP
View
Retailer 5
-
£536 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£570 GBP
View
B+
Retailer 7
-
£572 GBP
View
B+
Retailer 8
-
£621 GBP
View
B+
Retailer 9
-
£661 GBP
View
B+
Retailer 10
-
£833 GBP
View
B
Retailer 11
-
£975 GBP
View
Retailer 12
-
£1,070 GBP
View
Price last confirmed 34 days ago
Retailer 13
-
£1,085 GBP
View
Price last confirmed 8 days ago
B
Retailer 14
-
£1,170 GBP
View
Most Expensive
B
Brilliant Earth
20051883A · Nov 4
£2,007 GBP
$2,710 USD
View
14 more retailers have this diamond
Prices start from £341 GBPSave up to £1,667 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
1.45ct Marquise
£341 GBP