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Round|Lab Grown|IGI

3.78ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG620427336

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620427336

Diamond specifications and retailer prices

From $601 CAD
$430 USD
As of October 29, 2026
Save $2,060 CAD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,661 CAD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620427336 or 620427336. Listed at 4 retailers as of October 29, 2026, with prices from $601 to $2,661, a $2,060 spread on the same certified stone. The Diamond Guys lists it at $2,661. 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
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620427336
Dimensions10.04 × 10.00 × 6.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.04 mm10.00 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620427336
Side View
Table 56.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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 29
Current: $601 CAD|Low: $447 CAD|High: $5,378 CAD|Avg: $2,159 CAD|-1.6%
Retailer 1
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Retailer 17
The Diamond Guys
October 27, 2026
Retailer 1$601 CAD
Retailer 15$686 CAD
Retailer 17$691 CAD
Retailer 10$696 CAD
Retailer 13$996 CAD
Retailer 14$1,066 CAD
Retailer 12$1,086 CAD
Retailer 11$1,119 CAD
Retailer 2$1,780 CAD
Retailer 16$1,826 CAD
Retailer 8$2,012 CAD
Retailer 3$2,268 CAD
The Diamond Guys$2,661 CAD
Retailer 4$2,840 CAD
Retailer 6$3,744 CAD
Retailer 9$4,191 CAD
Retailer 5$4,798 CAD
Retailer 7$5,378 CAD

11 data points across 18 retailers

4 retailers$601 CAD to $2,661 CAD

A
Cheapest Retailer
-
$601 CAD
$430 USD
Final sale: no returns
Retailer 2
-
$686 CAD
$491 USD
View
Price last confirmed 44 days ago
B+
Retailer 3
-
$2,012 CAD
View
Most Expensive
B+
The Diamond Guys
1954434151 · Oct 30
$2,661 CAD
$1,905 USD
View
3 more retailers have this diamond
Prices start from $601 CADSave up to $2,060 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 Round
$601 CAD