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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 $700 AUD
$492 USD
As of October 29, 2026
Save $3,321 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,021 AUD 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 $700 to $4,021, a $3,321 spread on the same certified stone. MOH London lists it at $4,021. 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
Colour
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: $4,021 AUD|Low: $621 AUD|High: $4,469 AUD|Avg: $2,042 AUD|+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$700 AUD
Retailer 12$784 AUD
Retailer 4$801 AUD
Retailer 11$868 AUD
Retailer 3$1,281 AUD
Retailer 9$1,328 AUD
Retailer 8$2,520 AUD
Retailer 2$2,607 AUD
Retailer 5$2,685 AUD
Retailer 10$3,270 AUD
Retailer 7$3,724 AUD
MOH London$4,021 AUD

34 data points across 12 retailers

15 retailers$700 AUD to $4,021 AUD

Retailer 1
-
$646 AUD
$454 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$700 AUD
$492 USD
View
Retailer 3
-
$725 AUD
$509 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$784 AUD
$551 USD
View
Final sale: no returns
Retailer 5
-
$792 AUD
$556 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$868 AUD
$610 USD
View
B+
Retailer 7
-
$1,281 AUD
$900 USD
View
A
Retailer 8
-
$1,328 AUD
$933 USD
View
Retailer 9
-
$2,329 AUD
$1,636 USD
View
Price last confirmed 40 days ago
B
Retailer 10
-
$2,520 AUD
$1,770 USD
View
B+
Retailer 11
-
$2,607 AUD
£1,442 GBP
View
B
Retailer 12
-
$2,685 AUD
CA$2,619 CAD
View
B
Retailer 13
-
$3,270 AUD
$2,297 USD
View
B
Retailer 14
-
$3,724 AUD
$2,616 USD
View
Most Expensive
B
MOH London
323430007 · Oct 29
$4,021 AUD
£2,224 GBP
View
14 more retailers have this diamond
Prices start from $700 AUDSave up to $3,321 AUD

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
$700 AUD