Oval|Lab Grown|GIA

4.20ct E IF Oval Lab Grown Diamond

ID • E/IF • GIA 2488360216

Certificate GIA 2488360216

Diamond specifications and retailer prices

From $7,396 USD
As of October 29, 2026
Save $8,254 USD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,650 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.2ct lab-grown oval diamond

This 4.2ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2488360216. Listed at 6 retailers as of October 29, 2026, with prices from $7,396 to $15,650, a $8,254 spread on the same certified stone. Brilliant Earth lists it at $15,650. 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
E
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2488360216
Dimensions13.17 × 9.13 × 5.70 mm
L/W Ratio1.44
Top View
13.17 mm9.13 mm4.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2488360216
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $15,650 USD|Low: $15,490 USD|High: $15,680 USD|Avg: $15,607 USD|+1.0%
October 18, 2026
Brilliant Earth$15,650 USD

3 data points across 1 retailer

6 retailers$7,396 USD to $15,650 USD

A
Cheapest Retailer
-
$7,396 USD
B+
Retailer 2
-
$7,692 USD
View
B+
Retailer 3
-
$8,580 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$8,580 USD
View
B+
Retailer 5
-
$10,651 USD
View
Most Expensive
B
Brilliant Earth
16516212A · Oct 29
$15,650 USD
View
5 more retailers have this diamond
Prices start from $7,396 USDSave up to $8,254 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 Oval
$7,396 USD