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 $1,178 USD
As of October 31, 2026
Save $2,610 USD (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,788 USD 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 $1,178 to $3,788, a $2,610 spread on the same certified stone. MOH London lists it at $3,788. 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: $3,788 USD|Low: $1,178 USD|High: $3,819 USD|Avg: $2,144 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$1,178 USD
Retailer 3$1,471 USD
Retailer 2$2,166 USD
MOH London$3,788 USD

11 data points across 4 retailers

4 retailers$1,178 USD to $3,788 USD

A
Cheapest Retailer
-
$1,178 USD
A
Retailer 2
-
$1,471 USD
View
B+
Retailer 3
-
$2,166 USD
View
Most Expensive
B
MOH London
330851711 · Oct 29
$3,788 USD
£2,983 GBP
View
3 more retailers have this diamond
Prices start from $1,178 USDSave up to $2,610 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
4.21ct Princess
$1,178 USD