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Radiant|Lab Grown|IGI

4.20ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG783605852

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG783605852

Diamond specifications and retailer prices

From $752 CAD
$535 USD
As of October 27, 2026
Save $6,230 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,981 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.2ct lab-grown radiant diamond

This 4.2ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783605852 or 783605852. Listed at 15 retailers as of October 27, 2026, with prices from $752 to $6,981, a $6,230 spread on the same certified stone. Brilliant Earth lists it at $6,981. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783605852
Dimensions10.43 × 8.52 × 5.22 mm
L/W Ratio1.22
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.43 mm8.52 mm4.20 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783605852
Side View
Table 74.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 61.3%

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 27
Current: $6,981 CAD|Low: $600 CAD|High: $7,206 CAD|Avg: $2,444 CAD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 11$841 CAD
Retailer 7$933 CAD
Retailer 2$1,124 CAD
Retailer 9$1,441 CAD
Retailer 10$1,495 CAD
Retailer 3$1,783 CAD
Retailer 6$2,406 CAD
Retailer 8$2,451 CAD
Retailer 12$2,719 CAD
Retailer 4$3,028 CAD
Retailer 5$3,912 CAD
Brilliant Earth$6,981 CAD

19 data points across 12 retailers

15 retailers$752 CAD to $6,981 CAD

A
Cheapest Retailer
-
$752 CAD
$535 USD
A
Retailer 2
-
$841 CAD
$599 USD
View
Final sale: no returns
A
Retailer 3
-
$841 CAD
$599 USD
View
A
Retailer 4
-
$933 CAD
$664 USD
View
A
Retailer 5
-
$933 CAD
$664 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,124 CAD
$800 USD
View
B+
Retailer 7
-
$1,441 CAD
$1,026 USD
View
A
Retailer 8
-
$1,495 CAD
$1,064 USD
View
A
Retailer 9
-
$1,783 CAD
$1,269 USD
View
B+
Retailer 10
-
$2,406 CAD
$1,713 USD
View
B+
Retailer 11
-
$2,451 CAD
$1,745 USD
View
B+
Retailer 12
-
$2,719 CAD
£1,524 GBP
View
B+
Retailer 13
-
$3,028 CAD
$2,155 USD
View
B
Retailer 14
-
$3,912 CAD
£2,193 GBP
View
Most Expensive
B
Brilliant Earth
18144898A · Oct 28
$6,981 CAD
$4,970 USD
View
14 more retailers have this diamond
Prices start from $752 CADSave up to $6,230 CAD

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 Radiant
$752 CAD