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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG778628373

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778628373

Diamond specifications and retailer prices

From $330 CAD
$236 USD
As of October 30, 2026
Save $1,752 CAD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,081 CAD at Brilliant Earth · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778628373 or 778628373. Listed at 19 retailers as of October 30, 2026, with prices from $330 to $2,081, a $1,752 spread on the same certified stone. Brilliant Earth lists it at $2,081. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778628373
Dimensions11.45 × 5.93 × 3.70 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm5.93 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778628373
Side View
Table 60.0%Crown 35.7°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 62.4%

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: Oct 30
Current: $2,081 CAD|Low: $261 CAD|High: $2,696 CAD|Avg: $945 CAD|-22.8%
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
Retailer 16
October 31, 2026
Retailer 3$330 CAD
Retailer 10$367 CAD
Retailer 4$409 CAD
Retailer 7$409 CAD
Retailer 6$691 CAD
Retailer 12$702 CAD
Retailer 2$766 CAD
Retailer 9$843 CAD
Retailer 8$862 CAD
Retailer 13$997 CAD
Retailer 16$1,077 CAD
Retailer 5$1,314 CAD
Retailer 11$1,358 CAD
Retailer 15$1,411 CAD
Retailer 14$1,641 CAD
Brilliant Earth$2,081 CAD

44 data points across 16 retailers

19 retailers$330 CAD to $2,081 CAD

A
Cheapest Retailer
-
$330 CAD
$236 USD
A
Retailer 2
-
$367 CAD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$383 CAD
$274 USD
View
A
Retailer 4
-
$409 CAD
$293 USD
View
A
Retailer 5
-
$409 CAD
$293 USD
View
A
Retailer 6
-
$691 CAD
$495 USD
View
A
Retailer 7
-
$702 CAD
ZAR 8,121 ZAR
View
A
Retailer 8
-
$766 CAD
£432 GBP
View
A
Retailer 9
-
$843 CAD
A$928 AUD
View
B+
Retailer 10
-
$862 CAD
$617 USD
View
B+
Retailer 11
-
$901 CAD
$645 USD
View
B+
Retailer 12
-
$997 CAD
A$1,098 AUD
View
B+
Retailer 13
-
$1,077 CAD
$771 USD
View
B+
Retailer 14
-
$1,314 CAD
$941 USD
View
B+
Retailer 15
-
$1,358 CAD
A$1,496 AUD
View
B
Retailer 16
-
$1,387 CAD
$993 USD
View
B
Retailer 17
-
$1,411 CAD
$1,010 USD
View
B
Retailer 18
-
$1,641 CAD
£925 GBP
View
Most Expensive
B
Brilliant Earth
18170094A · Oct 30
$2,081 CAD
$1,490 USD
View
18 more retailers have this diamond
Prices start from $330 CADSave up to $1,752 CAD

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
$330 CAD