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 €440 EUR
$492 USD
As of October 29, 2026
Save €2,088 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,528 EUR 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 €440 to €2,528, a €2,088 spread on the same certified stone. MOH London lists it at €2,528. 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: €2,528 EUR|Low: €390 EUR|High: €2,810 EUR|Avg: €1,284 EUR|+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€440 EUR
Retailer 12€493 EUR
Retailer 4€504 EUR
Retailer 11€546 EUR
Retailer 3€806 EUR
Retailer 9€835 EUR
Retailer 8€1,584 EUR
Retailer 2€1,639 EUR
Retailer 5€1,688 EUR
Retailer 10€2,056 EUR
Retailer 7€2,342 EUR
MOH London€2,528 EUR

34 data points across 12 retailers

15 retailers€440 EUR to €2,528 EUR

Retailer 1
-
€406 EUR
$454 USD
Price last confirmed 38 days ago
A
Retailer 2
-
€440 EUR
$492 USD
View
Retailer 3
-
€456 EUR
$509 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
€493 EUR
$551 USD
View
Final sale: no returns
Retailer 5
-
€498 EUR
$556 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
€546 EUR
$610 USD
View
B+
Retailer 7
-
€806 EUR
$900 USD
View
A
Retailer 8
-
€835 EUR
$933 USD
View
Retailer 9
-
€1,464 EUR
$1,636 USD
View
Price last confirmed 40 days ago
B
Retailer 10
-
€1,584 EUR
$1,770 USD
View
B+
Retailer 11
-
€1,639 EUR
£1,442 GBP
View
B
Retailer 12
-
€1,688 EUR
CA$2,619 CAD
View
B
Retailer 13
-
€2,056 EUR
$2,297 USD
View
B
Retailer 14
-
€2,342 EUR
$2,616 USD
View
Most Expensive
B
MOH London
323430007 · Oct 29
€2,528 EUR
£2,224 GBP
View
14 more retailers have this diamond
Prices start from €440 EURSave up to €2,088 EUR

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
€440 EUR