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Princess|Lab Grown|GCAL

4.21ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • GCAL 330851711

Shape and cutting style on the report: Princess

Certificate GCAL 330851711

Diamond specifications and retailer prices

From €1,054 EUR
$1,178 USD
As of October 31, 2026
Save €2,337 EUR (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €3,391 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.21ct lab-grown princess diamond

This 4.21ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 330851711. Listed at 4 retailers as of October 29, 2026, with prices from €1,054 to €3,391, a €2,337 spread on the same certified stone. MOH London lists it at €3,391. 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

4.21
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330851711
Dimensions8.90 × 8.85 × 6.20 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.90 mm8.85 mm4.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330851711
Side View
Table 70.0%Crown 44.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 70.1%

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 31
Current: €3,391 EUR|Low: €1,054 EUR|High: €3,418 EUR|Avg: €1,919 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4€1,054 EUR
Retailer 3€1,317 EUR
Retailer 2€1,939 EUR
MOH London€3,391 EUR

11 data points across 4 retailers

4 retailers€1,054 EUR to €3,391 EUR

A
Cheapest Retailer
-
€1,054 EUR
$1,178 USD
A
Retailer 2
-
€1,317 EUR
$1,471 USD
View
B+
Retailer 3
-
€1,939 EUR
$2,166 USD
View
Most Expensive
B
MOH London
330851711 · Oct 29
€3,391 EUR
£2,983 GBP
View
3 more retailers have this diamond
Prices start from €1,054 EURSave up to €2,337 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
4.21ct Princess
€1,054 EUR