CaratHunter
Plans
Round|Lab Grown|GCAL

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GCAL 361266140

Shape and cutting style on the report: Round brilliant

Certificate GCAL 361266140

Diamond specifications and retailer prices

From $5,826 CAD
$4,171 USD
As of October 30, 2026
Save $40,215 CAD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $46,042 CAD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 361266140. Listed at 17 retailers as of October 30, 2026, with prices from $5,826 to $46,042, a $40,215 spread on the same certified stone. Kay Jewelers lists it at $46,042. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361266140
Dimensions10.36 × 10.32 × 6.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.36 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361266140
Side View
Table 56.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.9%

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 30
Current: $46,042 CAD|Low: $5,826 CAD|High: $46,042 CAD|Avg: $14,903 CAD|+78.5%
Kay Jewelers
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
October 30, 2026
Retailer 16$5,826 CAD
Retailer 13$6,345 CAD
Retailer 14$6,649 CAD
Retailer 7$7,105 CAD
Retailer 6$7,360 CAD
Retailer 15$7,360 CAD
Retailer 11$9,400 CAD
Retailer 8$9,644 CAD
Retailer 2$9,840 CAD
Retailer 4$10,584 CAD
Retailer 9$16,619 CAD
Retailer 12$18,657 CAD
Retailer 5$29,170 CAD
Retailer 3$43,653 CAD
Kay Jewelers$46,042 CAD
Retailer 10$46,042 CAD

43 data points across 16 retailers

17 retailers$5,826 CAD to $46,042 CAD

A
Cheapest Retailer
-
$5,826 CAD
$4,171 USD
A
Retailer 2
-
$6,345 CAD
$4,542 USD
View
A
Retailer 3
-
$6,649 CAD
$4,760 USD
View
A
Retailer 4
-
$7,105 CAD
$5,086 USD
View
Final sale: no returns
A
Retailer 5
-
$7,360 CAD
$5,269 USD
View
Retailer 6
-
$7,360 CAD
$5,269 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$9,400 CAD
$6,729 USD
View
B+
Retailer 8
-
$9,644 CAD
$6,904 USD
View
B+
Retailer 9
-
$9,840 CAD
£5,547 GBP
View
B+
Retailer 10
-
$13,718 CAD
$9,820 USD
View
B+
Retailer 11
-
$16,619 CAD
£9,368 GBP
View
B+
Retailer 12
-
$18,657 CAD
$13,356 USD
View
B
Retailer 13
-
$23,341 CAD
$16,709 USD
View
B
Retailer 14
-
$29,170 CAD
$20,882 USD
View
B
Retailer 15
-
$43,653 CAD
$31,250 USD
View
B
Retailer 16
-
$46,042 CAD
$32,960 USD
View
Most Expensive
B
Kay Jewelers
259115251 · Oct 30
$46,042 CAD
$32,960 USD
View
16 more retailers have this diamond
Prices start from $5,826 CADSave up to $40,215 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 Round
$5,826 CAD