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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG774670800

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774670800

Diamond specifications and retailer prices

From $390 CAD
As of November 2, 2026
Save $1,631 CAD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,110 CAD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG774670800 or 774670800. Listed at 25 retailers as of November 1, 2026, with a 418% 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

1.28
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774670800
Dimensions6.97 × 7.33 × 4.47 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.33 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774670800
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: $2,110 CAD|Low: $375 CAD|High: $2,180 CAD|Avg: $1,008 CAD|-3.2%
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
November 4, 2026
Retailer 13$390 CAD
Retailer 6$436 CAD
Retailer 3$484 CAD
Retailer 14$484 CAD
Retailer 11$706 CAD
Retailer 10$792 CAD
Retailer 8$833 CAD
Retailer 5$836 CAD
Retailer 2$844 CAD
Retailer 7$1,186 CAD
Retailer 12$1,487 CAD
Retailer 4$1,551 CAD
Retailer 9$1,940 CAD
Brilliant Earth$2,110 CAD

43 data points across 14 retailers

25 retailers$390 CAD to $2,021 CAD

Retailer 1
-
$390 CAD
Price last confirmed 35 days ago
A
Retailer 2
-
$390 CAD
View
A
Retailer 3
-
$436 CAD
View
Final sale: no returns
Retailer 4
-
$453 CAD
View
Price last confirmed 36 days ago
Retailer 5
-
$478 CAD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$484 CAD
View
Retailer 7
-
$484 CAD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$537 CAD
View
A
Retailer 9
-
$650 CAD
View
A
Retailer 10
-
$706 CAD
View
B+
Retailer 11
-
$792 CAD
View
B+
Retailer 12
-
$833 CAD
View
B+
Retailer 13
-
$836 CAD
View
B+
Retailer 14
-
$844 CAD
View
B+
Retailer 15
-
$931 CAD
View
B+
Retailer 16
-
$1,023 CAD
View
B+
Retailer 17
-
$1,186 CAD
View
Retailer 18
-
$1,234 CAD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$1,487 CAD
View
B
Retailer 20
-
$1,551 CAD
View
Retailer 21
-
$1,555 CAD
View
Price last confirmed 35 days ago
B
Retailer 22
-
$1,625 CAD
View
B
Retailer 23
-
$1,940 CAD
View
B
Retailer 24
-
$2,021 CAD
View
Most Expensive
Brilliant Earth
18180896A · Oct 21
$2,110 CAD
$1,510 USD
View
Price last confirmed 13 days ago
24 more retailers have this diamond
Prices start from $390 CADSave up to $1,631 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
1.28ct Heart
$390 CAD