Princess|Lab Grown|IGI

4.20ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG561254505

Shape and cutting style on the report: Princess cut

Certificate IGI LG561254505

Diamond specifications and retailer prices

From $699 AUD
$491 USD
As of October 30, 2026
Save $3,429 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,128 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.2ct lab-grown princess diamond

This 4.2ct 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 IGI LG561254505 or 561254505. Listed at 21 retailers as of October 30, 2026, with prices from $699 to $4,128, a $3,429 spread on the same certified stone. Brilliant Earth lists it at $4,128. 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

4.20
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561254505
Dimensions9.11 × 8.84 × 6.05 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.11 mm8.84 mm4.20 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561254505
Side View
Table 72.0%Crown 40.9°Girdle: MediumPavilion 38°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,128 AUD|Low: $671 AUD|High: $4,470 AUD|Avg: $2,079 AUD|-7.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16$699 AUD
Retailer 5$867 AUD
Retailer 15$867 AUD
Retailer 2$1,068 AUD
Retailer 17$1,165 AUD
Retailer 11$1,326 AUD
Retailer 7$1,458 AUD
Retailer 13$1,724 AUD
Retailer 10$1,736 AUD
Retailer 9$1,879 AUD
Retailer 14$2,279 AUD
Retailer 3$2,329 AUD
Retailer 4$2,517 AUD
Retailer 6$3,510 AUD
Retailer 12$3,636 AUD
Retailer 8$3,706 AUD
Brilliant Earth$4,128 AUD

38 data points across 17 retailers

21 retailers$699 AUD to $4,128 AUD

A
Cheapest Retailer
-
$699 AUD
$491 USD
Retailer 2
-
$699 AUD
$491 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$783 AUD
$550 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$856 AUD
$601 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$867 AUD
$609 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$867 AUD
$609 USD
View
A
Retailer 7
-
$1,068 AUD
$750 USD
View
B+
Retailer 8
-
$1,165 AUD
$818 USD
View
A
Retailer 9
-
$1,326 AUD
€887 EUR
View
A
Retailer 10
-
$1,458 AUD
$1,024 USD
View
A
Retailer 11
-
$1,724 AUD
ZAR 19,565 ZAR
View
A
Retailer 12
-
$1,736 AUD
View
A
Retailer 13
-
$1,879 AUD
$1,320 USD
View
B+
Retailer 14
-
$2,279 AUD
$1,601 USD
View
B+
Retailer 15
-
$2,329 AUD
$1,636 USD
View
B+
Retailer 16
-
$2,517 AUD
£1,392 GBP
View
B+
Retailer 17
-
$2,824 AUD
$1,984 USD
View
Retailer 18
-
$3,510 AUD
SGD 3,332 SGD
View
Price last confirmed 19 days ago
B+
Retailer 19
-
$3,636 AUD
£2,011 GBP
View
B
Retailer 20
-
$3,781 AUD
$2,656 USD
View
Most Expensive
B
Brilliant Earth
20456884A · Oct 31
$4,128 AUD
$2,900 USD
View
20 more retailers have this diamond
Prices start from $699 AUDSave up to $3,429 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
4.20ct Princess
$699 AUD