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 $492 USD
As of October 29, 2026
Save $2,332 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,824 USD 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 $492 to $2,824, a $2,332 spread on the same certified stone. MOH London lists it at $2,824. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,824 USD|Low: $436 USD|High: $2,824 USD|Avg: $1,513 USD|+8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$492 USD
Retailer 11$551 USD
Retailer 10$610 USD
Retailer 3$900 USD
Retailer 8$933 USD
Retailer 7$1,770 USD
Retailer 2$1,831 USD
Retailer 4$1,886 USD
Retailer 9$2,297 USD
Retailer 6$2,616 USD
MOH London$2,824 USD

33 data points across 11 retailers

15 retailers$492 USD to $2,824 USD

Retailer 1
-
$454 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$492 USD
View
Retailer 3
-
$509 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$551 USD
View
Final sale: no returns
Retailer 5
-
$556 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$610 USD
View
B+
Retailer 7
-
$900 USD
View
A
Retailer 8
-
$933 USD
View
Retailer 9
-
$1,636 USD
View
Price last confirmed 39 days ago
B
Retailer 10
-
$1,770 USD
View
B+
Retailer 11
-
$1,831 USD
£1,442 GBP
View
B
Retailer 12
-
$1,886 USD
CA$2,619 CAD
View
B
Retailer 13
-
$2,297 USD
View
B
Retailer 14
-
$2,616 USD
View
Most Expensive
B
MOH London
323430007 · Oct 29
$2,824 USD
£2,224 GBP
View
14 more retailers have this diamond
Prices start from $492 USDSave up to $2,332 USD

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
$492 USD