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 $4,171 USD
As of October 28, 2026
Save $28,789 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $32,960 USD at Kay Jewelers · As of October 29, 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 28, 2026, with prices from $4,171 to $32,960, a $28,789 spread on the same certified stone. Kay Jewelers lists it at $32,960. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $32,960 USD|Low: $4,171 USD|High: $32,960 USD|Avg: $10,702 USD|+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 29, 2026
Retailer 16$4,171 USD
Retailer 13$4,542 USD
Retailer 14$4,760 USD
Retailer 7$5,086 USD
Retailer 6$5,269 USD
Retailer 15$5,269 USD
Retailer 11$6,729 USD
Retailer 8$6,904 USD
Retailer 10$7,002 USD
Retailer 4$7,577 USD
Retailer 2$11,897 USD
Retailer 12$13,356 USD
Retailer 5$20,882 USD
Retailer 3$31,250 USD
Kay Jewelers$32,960 USD
Retailer 9$32,960 USD

42 data points across 16 retailers

17 retailers$4,171 USD to $32,960 USD

A
Cheapest Retailer
-
$4,171 USD
A
Retailer 2
-
$4,542 USD
View
A
Retailer 3
-
$4,760 USD
View
A
Retailer 4
-
$5,086 USD
View
Final sale: no returns
A
Retailer 5
-
$5,269 USD
View
A
Retailer 6
-
$5,269 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$6,729 USD
View
B+
Retailer 8
-
$6,904 USD
View
B+
Retailer 9
-
$7,002 USD
£5,513 GBP
View
B+
Retailer 10
-
$9,820 USD
View
B+
Retailer 11
-
$11,897 USD
£9,368 GBP
View
B+
Retailer 12
-
$13,356 USD
View
B
Retailer 13
-
$16,709 USD
View
B
Retailer 14
-
$20,882 USD
View
B
Retailer 15
-
$31,250 USD
View
B
Retailer 16
-
$32,960 USD
View
Most Expensive
B
Kay Jewelers
259115251 · Oct 29
$32,960 USD
View
16 more retailers have this diamond
Prices start from $4,171 USDSave up to $28,789 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 Round
$4,171 USD