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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 $1,677 AUD
$1,178 USD
As of October 31, 2026
Save $3,716 AUD (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,393 AUD 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 $1,677 to $5,393, a $3,716 spread on the same certified stone. MOH London lists it at $5,393. 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
Colour
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: $5,393 AUD|Low: $1,677 AUD|High: $5,437 AUD|Avg: $3,052 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$1,677 AUD
Retailer 3$2,094 AUD
Retailer 2$3,084 AUD
MOH London$5,393 AUD

11 data points across 4 retailers

4 retailers$1,677 AUD to $5,393 AUD

A
Cheapest Retailer
-
$1,677 AUD
$1,178 USD
A
Retailer 2
-
$2,094 AUD
$1,471 USD
View
B+
Retailer 3
-
$3,084 AUD
$2,166 USD
View
Most Expensive
B
MOH London
330851711 · Oct 29
$5,393 AUD
£2,983 GBP
View
3 more retailers have this diamond
Prices start from $1,677 AUDSave up to $3,716 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
4.21ct Princess
$1,677 AUD