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Marquise|Lab Grown|IGI

1.45ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG768628520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768628520

Diamond specifications and retailer prices

From £388 GBP
As of November 4, 2026
Save £1,286 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,674 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 LG768628520 or 768628520. Listed at 13 retailers as of November 4, 2026, with prices from £388 to £1,674, a £1,286 spread on the same certified stone. Brilliant Earth lists it at £1,674. 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 angle36.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628520
Dimensions12.28 × 5.74 × 3.66 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
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
12.28 mm5.74 mm1.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628520
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,674 GBP|Low: £381 GBP|High: £2,052 GBP|Avg: £930 GBP|-18.4%
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
November 5, 2026
Retailer 8£388 GBP
Retailer 9£413 GBP
Retailer 2£477 GBP
Retailer 5£488 GBP
Retailer 6£517 GBP
Retailer 13£536 GBP
Retailer 10£661 GBP
Retailer 12£1,059 GBP
Retailer 11£1,061 GBP
Retailer 3£1,074 GBP
Retailer 7£1,170 GBP
Retailer 4£1,243 GBP
Brilliant Earth£1,674 GBP

43 data points across 13 retailers

13 retailers£388 GBP to £1,674 GBP

A
Cheapest Retailer
-
£388 GBP
A
Retailer 2
-
£413 GBP
View
A
Retailer 3
-
£477 GBP
View
A
Retailer 4
-
£488 GBP
View
A
Retailer 5
-
£517 GBP
View
Retailer 6
-
£536 GBP
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£661 GBP
View
B
Retailer 8
-
£1,059 GBP
View
B
Retailer 9
-
£1,061 GBP
View
Retailer 10
-
£1,074 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
£1,170 GBP
View
B
Retailer 12
-
£1,243 GBP
View
Most Expensive
B
Brilliant Earth
20869944Y · Nov 4
£1,674 GBP
$2,260 USD
View
12 more retailers have this diamond
Prices start from £388 GBPSave up to £1,286 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
£388 GBP