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Marquise|Lab Grown|IGI

1.45ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG768605514

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768605514

Diamond specifications and retailer prices

From £800 GBP
$1,080 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: £800 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768605514 or 768605514. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768605514
Dimensions11.60 × 5.93 × 3.73 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Top View
11.60 mm5.93 mm1.45 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768605514
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £800 GBP|Low: £169 GBP|High: £847 GBP|Avg: £482 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
June 18, 2026
Retailer 6£284 GBP
Retailer 10£287 GBP
Retailer 9£321 GBP
Retailer 4£373 GBP
Retailer 8£410 GBP
Retailer 5£436 GBP
Retailer 11£484 GBP
Retailer 2£645 GBP
Retailer 7£731 GBP
Retailer 3£733 GBP
Brilliant Earth£800 GBP

37 data points across 11 retailers

1 retailer

B
Brilliant Earth
18068875Y · Nov 4
£800 GBP
$1,080 USD
View

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B
1.45ct Marquise
£800 GBP