Marquise|Lab Grown|IGI

1.38ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG818689035

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818689035

Diamond specifications and retailer prices

From $370 CAD
$265 USD
As of October 31, 2026
Save $1,287 CAD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,122 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.38ct lab-grown marquise diamond

This 1.38ct 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 LG818689035 or 818689035. Listed at 24 retailers as of October 29, 2026, with a 348% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818689035
Dimensions11.97 × 5.76 × 3.58 mm
L/W Ratio2.08
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
11.97 mm5.76 mm1.38 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818689035
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.2%

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 31
Current: $771 CAD|Low: $314 CAD|High: $1,830 CAD|Avg: $935 CAD|+5.8%
Retailer 1
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 8$314 CAD
Retailer 4$370 CAD
Retailer 16$411 CAD
Retailer 12$684 CAD
Retailer 3$694 CAD
Retailer 14$706 CAD
Retailer 10$734 CAD
Retailer 1$771 CAD
Retailer 2$828 CAD
Retailer 15$1,002 CAD
Retailer 9$1,020 CAD
Retailer 7$1,320 CAD
Retailer 5$1,321 CAD
Retailer 11$1,383 CAD
Retailer 6$1,394 CAD
Retailer 13$1,657 CAD

41 data points across 16 retailers

24 retailers$370 CAD to $1,657 CAD

Retailer 1
-
$314 CAD
$225 USD
Price last confirmed 29 days ago
Retailer 2
-
$325 CAD
$233 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$370 CAD
$265 USD
View
Final sale: no returns
Retailer 4
-
$380 CAD
$272 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$401 CAD
$287 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$404 CAD
$289 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$411 CAD
$294 USD
View
A
Retailer 8
-
$684 CAD
€466 EUR
View
A
Retailer 9
-
$694 CAD
$497 USD
View
A
Retailer 10
-
$706 CAD
ZAR 8,168 ZAR
View
A
Retailer 11
-
$734 CAD
A$808 AUD
View
A
Retailer 12
-
$771 CAD
£435 GBP
View
A
Retailer 13
-
$828 CAD
$593 USD
View
B+
Retailer 14
-
$1,002 CAD
A$1,104 AUD
View
B+
Retailer 15
-
$1,020 CAD
$730 USD
View
B+
Retailer 16
-
$1,041 CAD
$745 USD
View
Retailer 17
-
$1,229 CAD
A$1,353 AUD
View
Price last confirmed 79 days ago
Retailer 18
-
$1,305 CAD
$934 USD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
$1,320 CAD
$945 USD
View
B
Retailer 20
-
$1,321 CAD
$946 USD
View
B
Retailer 21
-
$1,383 CAD
$990 USD
View
B
Retailer 22
-
$1,394 CAD
$998 USD
View
B
Retailer 23
-
$1,657 CAD
£934 GBP
View
Most Expensive
Queensmith
LG818689035 · Oct 27
$3,122 CAD
£1,760 GBP
View
Price under review
23 more retailers have this diamond
Prices start from $370 CADSave up to $1,287 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
1.38ct Marquise
$370 CAD