Round|Lab Grown|GCAL

3.78ct H VS1 Round Lab Grown Diamond

VG • H/VS1 • GCAL 323430007

Shape and cutting style on the report: Round brilliant

Certificate GCAL 323430007

Diamond specifications and retailer prices

From $687 CAD
$492 USD
As of October 29, 2026
Save $3,258 CAD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,946 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GCAL 323430007. Listed at 15 retailers as of October 29, 2026, with prices from $687 to $3,946, a $3,258 spread on the same certified stone. MOH London lists it at $3,946. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.78
Carat
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 323430007
Dimensions9.99 × 10.04 × 6.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.99 mm10.04 mm3.78 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 323430007
Side View
Table 58.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.1%

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 29
Current: $3,946 CAD|Low: $609 CAD|High: $4,385 CAD|Avg: $2,004 CAD|+8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6$687 CAD
Retailer 12$770 CAD
Retailer 4$786 CAD
Retailer 11$852 CAD
Retailer 3$1,257 CAD
Retailer 9$1,303 CAD
Retailer 8$2,473 CAD
Retailer 2$2,558 CAD
Retailer 5$2,635 CAD
Retailer 10$3,208 CAD
Retailer 7$3,654 CAD
MOH London$3,946 CAD

34 data points across 12 retailers

15 retailers$687 CAD to $3,946 CAD

Retailer 1
-
$634 CAD
$454 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$687 CAD
$492 USD
View
Retailer 3
-
$711 CAD
$509 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$770 CAD
$551 USD
View
Final sale: no returns
Retailer 5
-
$777 CAD
$556 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$852 CAD
$610 USD
View
B+
Retailer 7
-
$1,257 CAD
$900 USD
View
A
Retailer 8
-
$1,303 CAD
$933 USD
View
Retailer 9
-
$2,285 CAD
$1,636 USD
View
Price last confirmed 40 days ago
B
Retailer 10
-
$2,473 CAD
$1,770 USD
View
B+
Retailer 11
-
$2,558 CAD
£1,442 GBP
View
B
Retailer 12
-
$2,635 CAD
View
B
Retailer 13
-
$3,208 CAD
$2,297 USD
View
B
Retailer 14
-
$3,654 CAD
$2,616 USD
View
Most Expensive
B
MOH London
323430007 · Oct 29
$3,946 CAD
£2,224 GBP
View
14 more retailers have this diamond
Prices start from $687 CADSave up to $3,258 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
$687 CAD