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 $491 USD
As of October 30, 2026
Save $2,409 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,900 USD at Brilliant Earth · As of October 30, 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 $491 to $2,900, a $2,409 spread on the same certified stone. Brilliant Earth lists it at $2,900. 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
Color
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

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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: $2,900 USD|Low: $609 USD|High: $3,140 USD|Avg: $1,585 USD|-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
October 30, 2026
Retailer 15$609 USD
Retailer 14$655 USD
Retailer 11$818 USD
Retailer 8$931 USD
Retailer 4$1,024 USD
Retailer 10$1,211 USD
Retailer 2$1,219 USD
Retailer 6$1,320 USD
Retailer 12$1,636 USD
Retailer 13$1,768 USD
Retailer 7$1,984 USD
Retailer 3$2,466 USD
Retailer 9$2,554 USD
Retailer 5$2,603 USD
Brilliant Earth$2,900 USD

34 data points across 15 retailers

21 retailers$491 USD to $2,900 USD

A
Cheapest Retailer
-
$491 USD
Retailer 2
-
$491 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$550 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$601 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$609 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$609 USD
View
A
Retailer 7
-
$655 USD
View
B+
Retailer 8
-
$818 USD
View
A
Retailer 9
-
$931 USD
€887 EUR
View
A
Retailer 10
-
$1,024 USD
View
A
Retailer 11
-
$1,211 USD
ZAR 19,565 ZAR
View
A
Retailer 12
-
$1,219 USD
A$1,876 AUD
View
A
Retailer 13
-
$1,320 USD
View
B+
Retailer 14
-
$1,601 USD
View
B+
Retailer 15
-
$1,636 USD
View
B+
Retailer 16
-
$1,768 USD
£1,392 GBP
View
B+
Retailer 17
-
$1,984 USD
View
Retailer 18
-
$2,466 USD
SGD 3,332 SGD
View
Price last confirmed 17 days ago
B+
Retailer 19
-
$2,554 USD
£2,011 GBP
View
B
Retailer 20
-
$2,656 USD
View
Most Expensive
B
Brilliant Earth
20456884A · Oct 30
$2,900 USD
View
20 more retailers have this diamond
Prices start from $491 USDSave up to $2,409 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
4.20ct Princess
$491 USD