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Heart|Lab Grown|IGI

3.78ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG770665521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770665521

Diamond specifications and retailer prices

From $838 CAD
$600 USD
As of October 27, 2026
Save $10,854 CAD (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,692 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.78ct lab-grown heart diamond

This 3.78ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770665521 or 770665521. Listed at 22 retailers as of October 27, 2026, with prices from $838 to $11,692, a $10,854 spread on the same certified stone. Brilliant Earth lists it at $11,692. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.78
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770665521
Dimensions9.73 × 10.66 × 6.41 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm10.66 mm3.78 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770665521
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $11,692 CAD|Low: $827 CAD|High: $12,069 CAD|Avg: $2,789 CAD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 7$838 CAD
Retailer 14$978 CAD
Retailer 13$1,039 CAD
Retailer 11$1,069 CAD
Retailer 10$1,236 CAD
Retailer 3$1,376 CAD
Retailer 17$1,460 CAD
Retailer 2$1,627 CAD
Retailer 15$1,794 CAD
Retailer 18$2,258 CAD
Retailer 8$2,271 CAD
Retailer 9$2,323 CAD
Retailer 4$2,689 CAD
Retailer 19$2,735 CAD
Retailer 5$3,319 CAD
Retailer 6$3,363 CAD
Retailer 12$3,397 CAD
Retailer 16$4,538 CAD
Brilliant Earth$11,692 CAD

33 data points across 19 retailers

22 retailers$838 CAD to $11,692 CAD

A
Cheapest Retailer
-
$838 CAD
$600 USD
A
Retailer 2
-
$978 CAD
$700 USD
View
Final sale: no returns
A
Retailer 3
-
$1,039 CAD
$744 USD
View
Retailer 4
-
$1,055 CAD
$755 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$1,069 CAD
$765 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,236 CAD
$885 USD
View
B+
Retailer 7
-
$1,376 CAD
$985 USD
View
A
Retailer 8
-
$1,460 CAD
$1,045 USD
View
A
Retailer 9
-
$1,627 CAD
£917 GBP
View
A
Retailer 10
-
$1,794 CAD
€1,223 EUR
View
A
Retailer 11
-
$2,258 CAD
ZAR 26,117 ZAR
View
Retailer 12
-
$2,271 CAD
A$2,501 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$2,323 CAD
$1,663 USD
View
B+
Retailer 14
-
$2,689 CAD
$1,925 USD
View
B+
Retailer 15
-
$2,735 CAD
$1,958 USD
View
B+
Retailer 16
-
$3,115 CAD
$2,230 USD
View
Retailer 17
-
$3,155 CAD
A$3,475 AUD
View
Price last confirmed 154 days ago
B+
Retailer 18
-
$3,319 CAD
$2,376 USD
View
B+
Retailer 19
-
$3,363 CAD
$2,407 USD
View
B+
Retailer 20
-
$3,397 CAD
$2,432 USD
View
B+
Retailer 21
-
$4,538 CAD
£2,558 GBP
View
Most Expensive
B
Brilliant Earth
17548752A · Oct 29
$11,692 CAD
$8,370 USD
View
21 more retailers have this diamond
Prices start from $838 CADSave up to $10,854 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
3.78ct Heart
$838 CAD