Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG836611815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836611815

Diamond specifications and retailer prices

From $737 CAD
As of November 1, 2026
20 retailers carry this diamond
Most expensive: $1,733 CAD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct 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 LG836611815 or 836611815. Listed at 20 retailers as of November 1, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836611815
Dimensions11.16 × 5.71 × 3.48 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.71 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836611815
Side View
Table 63.0%Crown 34.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,165 CAD|Low: $288 CAD|High: $1,733 CAD|Avg: $868 CAD
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
Reve Diamonds
October 29, 2026
Retailer 3$301 CAD
Retailer 8$336 CAD
Retailer 5$373 CAD
Retailer 11$497 CAD
Retailer 6$502 CAD
Retailer 15$630 CAD
Retailer 12$651 CAD
Retailer 10$667 CAD
Retailer 9$737 CAD
Retailer 14$907 CAD
Retailer 16$967 CAD
Retailer 2$1,045 CAD
Retailer 1$1,165 CAD
Retailer 7$1,207 CAD
Retailer 4$1,491 CAD
Retailer 13$1,495 CAD
Reve Diamonds$1,733 CAD

36 data points across 17 retailers

20 retailers

Retailer 1
-
$301 CAD
Price last confirmed 13 days ago
Retailer 2
-
$348 CAD
View
Price last confirmed 12 days ago
Retailer 3
-
$373 CAD
View
Price last confirmed 11 days ago
Retailer 4
-
$373 CAD
View
Price last confirmed 11 days ago
Retailer 5
-
$497 CAD
View
Price last confirmed 10 days ago
Retailer 6
-
$502 CAD
View
Price last confirmed 11 days ago
Retailer 7
-
$630 CAD
View
Price last confirmed 13 days ago
Retailer 8
-
$651 CAD
View
Price last confirmed 9 days ago
Retailer 9
-
$667 CAD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$737 CAD
View
Retailer 11
-
$907 CAD
View
Price last confirmed 12 days ago
Retailer 12
-
$967 CAD
View
Price last confirmed 10 days ago
Retailer 13
-
$1,045 CAD
View
Price last confirmed 15 days ago
Retailer 14
-
$1,165 CAD
View
Price last confirmed 7 days ago
Retailer 15
-
$1,198 CAD
View
Price last confirmed 11 days ago
Retailer 16
-
$1,207 CAD
View
Price last confirmed 9 days ago
Retailer 17
-
$1,271 CAD
View
Price last confirmed 10 days ago
Retailer 18
-
$1,491 CAD
View
Price last confirmed 10 days ago
Retailer 19
-
$1,495 CAD
View
Price last confirmed 10 days ago
Most Expensive
Reve Diamonds
8A500A192 · Oct 25
$1,733 CAD
$1,244 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from $737 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.

B+
1.28ct Marquise
$737 CAD