Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2516547474

Certificate GIA 2516547474

Diamond specifications and retailer prices

From $4,966 USD
As of October 28, 2026
Save $34,154 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $39,120 USD at Kay Jewelers · As of October 27, 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 GIA 2516547474. Listed at 20 retailers as of October 28, 2026, with a 688% 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2516547474
Dimensions10.28 × 10.32 × 6.43 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.28 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516547474
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $39,120 USD|Low: $4,966 USD|High: $39,120 USD|Avg: $16,845 USD
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
October 28, 2026
Retailer 4$4,966 USD
Retailer 15$5,481 USD
Retailer 12$6,080 USD
Retailer 3$8,768 USD
Retailer 8$9,820 USD
Retailer 9$10,487 USD
Retailer 10$13,645 USD
Retailer 11$14,806 USD
Retailer 13$15,418 USD
Retailer 7$23,513 USD
Retailer 14$23,580 USD
Retailer 6$31,515 USD
Retailer 5$35,980 USD
Kay Jewelers$39,120 USD
Retailer 2$39,120 USD

24 data points across 15 retailers

20 retailers$4,966 USD to $39,120 USD

A
Cheapest Retailer
-
$4,966 USD
Returns within 30 days
A
Retailer 2
-
$5,230 USD
View
Returns within 21 days
A
Retailer 3
-
$5,481 USD
View
A
Retailer 4
-
$6,067 USD
View
Returns within 30 days
A
Retailer 5
-
$6,067 USD
View
Price last confirmed 12 days ago
Returns within 30 days
A
Retailer 6
-
$6,080 USD
View
Returns within 40 days
B+
Retailer 7
-
$7,950 USD
View
Returns within 30 days
B+
Retailer 8
-
$8,768 USD
View
Returns within 30 days
B+
Retailer 9
-
$9,820 USD
View
Returns within 30 days
B+
Retailer 10
-
$10,487 USD
€9,988 EUR
View
Returns within 100 days
B+
Retailer 11
-
$13,645 USD
£10,744 GBP
View
B+
Retailer 12
-
$14,806 USD
A$22,779 AUD
View
B+
Retailer 13
-
$15,418 USD
View
Returns within 30 days
B
Retailer 14
-
$16,709 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B
Retailer 15
-
$23,513 USD
View
Returns within 90 days
B
Retailer 16
-
$23,580 USD
View
Returns within 30 days
B
Retailer 17
-
$31,515 USD
View
Returns within 14 days
B
Retailer 18
-
$35,980 USD
View
Price under review
Returns within 60 days
B
Retailer 19
-
$39,120 USD
View
Returns within 30 days
Most Expensive
B
Kay Jewelers
253950228 · Oct 27
$39,120 USD
View
Price under review
Returns within 30 days
19 more retailers have this diamond
Prices start from $4,966 USDSave up to $34,154 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
$4,966 USD