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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG762573614

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762573614

Diamond specifications and retailer prices

From $400 CAD
$286 USD
As of November 2, 2026
Save $1,808 CAD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,207 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762573614 or 762573614. Listed at 22 retailers as of October 31, 2026, with prices from $400 to $2,207, a $1,808 spread on the same certified stone. Brilliant Earth lists it at $2,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762573614
Dimensions12.87 × 6.36 × 3.84 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762573614
Side View
Table 59.0%Crown 32.2°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 60.4%

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: Nov 2
Current: $2,207 CAD|Low: $384 CAD|High: $2,333 CAD|Avg: $1,102 CAD|-5.4%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 17$400 CAD
Retailer 7$464 CAD
Retailer 3$496 CAD
Retailer 8$496 CAD
Retailer 4$582 CAD
Retailer 15$712 CAD
Retailer 10$854 CAD
Retailer 2$868 CAD
Retailer 16$882 CAD
Retailer 13$906 CAD
Retailer 14$1,152 CAD
Retailer 11$1,508 CAD
Retailer 6$1,521 CAD
Retailer 5$1,592 CAD
Retailer 9$1,905 CAD
Retailer 12$1,996 CAD
Brilliant Earth$2,207 CAD

35 data points across 17 retailers

22 retailers$400 CAD to $2,207 CAD

A
Cheapest Retailer
-
$400 CAD
$286 USD
A
Retailer 2
-
$464 CAD
$332 USD
View
Retailer 3
-
$496 CAD
$355 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$496 CAD
$355 USD
View
Retailer 5
-
$582 CAD
£328 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$668 CAD
$478 USD
View
A
Retailer 7
-
$712 CAD
$510 USD
View
A
Retailer 8
-
$854 CAD
ZAR 9,878 ZAR
View
A
Retailer 9
-
$868 CAD
£489 GBP
View
Retailer 10
-
$882 CAD
€601 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
$906 CAD
A$998 AUD
View
A
Retailer 12
-
$975 CAD
$698 USD
View
A
Retailer 13
-
$979 CAD
$701 USD
View
A
Retailer 14
-
$1,152 CAD
A$1,269 AUD
View
B+
Retailer 15
-
$1,508 CAD
A$1,661 AUD
View
B+
Retailer 16
-
$1,521 CAD
$1,089 USD
View
B+
Retailer 17
-
$1,592 CAD
$1,140 USD
View
B+
Retailer 18
-
$1,661 CAD
$1,189 USD
View
B
Retailer 19
-
$1,905 CAD
$1,364 USD
View
B+
Retailer 20
-
$1,996 CAD
£1,125 GBP
View
B
Retailer 21
-
$2,069 CAD
$1,481 USD
View
Most Expensive
B
Brilliant Earth
20624835A · Oct 31
$2,207 CAD
$1,580 USD
View
21 more retailers have this diamond
Prices start from $400 CADSave up to $1,808 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
1.78ct Marquise
$400 CAD