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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 €3,733 EUR
$4,171 USD
As of October 31, 2026
Save €25,769 EUR (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €29,502 EUR 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 €3,733 to €29,502, a €25,769 spread on the same certified stone. Kay Jewelers lists it at €29,502. 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
Colour
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 31
Current: €29,502 EUR|Low: €3,733 EUR|High: €29,502 EUR|Avg: €9,542 EUR|+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€3,733 EUR
Retailer 13€4,065 EUR
Retailer 14€4,261 EUR
Retailer 7€4,552 EUR
Retailer 6€4,716 EUR
Retailer 15€4,716 EUR
Retailer 11€6,023 EUR
Retailer 8€6,180 EUR
Retailer 2€6,305 EUR
Retailer 4€6,782 EUR
Retailer 9€10,649 EUR
Retailer 12€11,955 EUR
Retailer 5€18,691 EUR
Retailer 3€27,972 EUR
Kay Jewelers€29,502 EUR
Retailer 10€29,502 EUR

42 data points across 16 retailers

17 retailers€3,733 EUR to €29,502 EUR

A
Cheapest Retailer
-
€3,733 EUR
$4,171 USD
A
Retailer 2
-
€4,065 EUR
$4,542 USD
View
A
Retailer 3
-
€4,261 EUR
$4,760 USD
View
A
Retailer 4
-
€4,552 EUR
$5,086 USD
View
Final sale: no returns
A
Retailer 5
-
€4,716 EUR
$5,269 USD
View
Retailer 6
-
€4,716 EUR
$5,269 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
€6,023 EUR
$6,729 USD
View
B+
Retailer 8
-
€6,180 EUR
$6,904 USD
View
B+
Retailer 9
-
€6,305 EUR
£5,547 GBP
View
B+
Retailer 10
-
€8,790 EUR
$9,820 USD
View
B+
Retailer 11
-
€10,649 EUR
£9,368 GBP
View
B+
Retailer 12
-
€11,955 EUR
$13,356 USD
View
B
Retailer 13
-
€14,956 EUR
$16,709 USD
View
B
Retailer 14
-
€18,691 EUR
$20,882 USD
View
B
Retailer 15
-
€27,972 EUR
$31,250 USD
View
B
Retailer 16
-
€29,502 EUR
$32,960 USD
View
Most Expensive
B
Kay Jewelers
259115251 · Oct 30
€29,502 EUR
$32,960 USD
View
16 more retailers have this diamond
Prices start from €3,733 EURSave up to €25,769 EUR

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
€3,733 EUR