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Oval|Lab Grown|GIA

4.21ct E IF Oval Lab Grown Diamond

ID • E/IF • GIA 3485118460

Certificate GIA 3485118460

Diamond specifications and retailer prices

From $10,552 AUD
$7,413 USD
As of October 29, 2026
Save $11,781 AUD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $22,333 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.21ct lab-grown oval diamond

This 4.21ct 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 3485118460. Listed at 6 retailers as of October 29, 2026, with prices from $10,552 to $22,333, a $11,781 spread on the same certified stone. Brilliant Earth lists it at $22,333. 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

4.21
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 3485118460
Dimensions13.47 × 9.10 × 5.59 mm
L/W Ratio1.48
Top View
13.47 mm9.10 mm4.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3485118460
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.4%

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 29
Current: $22,333 AUD|Low: $10,130 AUD|High: $22,376 AUD|Avg: $14,815 AUD|+1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 18, 2026
Retailer 2$10,552 AUD
Retailer 5$10,974 AUD
Retailer 3$12,240 AUD
Retailer 4$15,195 AUD
Brilliant Earth$22,333 AUD

7 data points across 5 retailers

6 retailers$10,552 AUD to $22,333 AUD

A
Cheapest Retailer
-
$10,552 AUD
$7,413 USD
B+
Retailer 2
-
$10,974 AUD
$7,710 USD
View
Retailer 3
-
$12,240 AUD
$8,599 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$12,240 AUD
$8,599 USD
View
B+
Retailer 5
-
$15,195 AUD
$10,675 USD
View
Most Expensive
B
Brilliant Earth
16513307A · Oct 29
$22,333 AUD
$15,690 USD
View
5 more retailers have this diamond
Prices start from $10,552 AUDSave up to $11,781 AUD

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
4.21ct Oval
$10,552 AUD