Princess|Lab Grown|IGI

4.20ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG563228826

Shape and cutting style on the report: Princess cut

Certificate IGI LG563228826

Diamond specifications and retailer prices

From $735 USD
As of October 29, 2026
Save $5,105 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,020 USD at Brilliant Earth · As of October 1, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG563228826 or 563228826. Listed at 25 retailers as of October 29, 2026, with a 695% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG563228826
Dimensions8.89 × 8.82 × 6.14 mm
L/W Ratio1.01
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
8.89 mm8.82 mm4.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG563228826
Side View
Table 67.0%Crown 41.6°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 69.6%

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 29
Current: $1,635 USD|Low: $735 USD|High: $7,360 USD|Avg: $2,565 USD|+21.6%
Retailer 1
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
Retailer 18
October 31, 2026
Retailer 4$735 USD
Retailer 15$854 USD
Retailer 6$1,077 USD
Retailer 11$1,080 USD
Retailer 7$1,194 USD
Retailer 1$1,635 USD
Retailer 13$1,803 USD
Retailer 12$1,947 USD
Retailer 16$2,260 USD
Retailer 10$2,544 USD
Retailer 14$2,599 USD
Retailer 5$2,926 USD
Retailer 3$3,012 USD
Retailer 2$3,512 USD
Retailer 17$3,621 USD
Retailer 8$3,769 USD
Retailer 9$4,166 USD
Retailer 18$5,840 USD

38 data points across 18 retailers

25 retailers$735 USD to $5,840 USD

Retailer 1
-
$669 USD
Price last confirmed 12 days ago
Retailer 2
-
$727 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$735 USD
View
Final sale: no returns
Retailer 4
-
$776 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$776 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$854 USD
£672 GBP
View
B+
Retailer 7
-
$1,077 USD
View
A
Retailer 8
-
$1,080 USD
View
A
Retailer 9
-
$1,194 USD
View
A
Retailer 10
-
$1,635 USD
£1,288 GBP
View
B+
Retailer 11
-
$1,803 USD
A$2,774 AUD
View
B+
Retailer 12
-
$1,947 USD
View
B+
Retailer 13
-
$2,260 USD
ZAR 36,516 ZAR
View
Retailer 14
-
$2,407 USD
View
Price last confirmed 14 days ago
Retailer 15
-
$2,544 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$2,572 USD
CA$3,573 CAD
View
B
Retailer 17
-
$2,599 USD
View
Retailer 18
-
$2,926 USD
£2,304 GBP
View
Price last confirmed 8 days ago
B
Retailer 19
-
$3,012 USD
View
B
Retailer 20
-
$3,161 USD
View
B
Retailer 21
-
$3,621 USD
£2,851 GBP
View
B
Retailer 22
-
$3,769 USD
SGD 5,093 SGD
View
B
Retailer 23
-
$4,166 USD
View
B
Retailer 24
-
$5,840 USD
View
Most Expensive
Brilliant Earth
15669777Y · Oct 1
$7,020 USD
View
Price last confirmed 29 days ago
24 more retailers have this diamond
Prices start from $735 USDSave up to $5,105 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
$735 USD