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Oval|Lab Grown|IGI

4.01ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG754576579

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754576579

Diamond specifications and retailer prices

From $4,608 AUD
$3,237 USD
As of October 29, 2026
Save $15,818 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,426 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct 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 and certified by IGI LG754576579 or 754576579. Listed at 19 retailers as of October 29, 2026, with prices from $4,608 to $20,426, a $15,818 spread on the same certified stone. Brilliant Earth lists it at $20,426. 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

4.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754576579
Dimensions8.46 × 8.46 × 5.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.46 mm4.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754576579
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 59.3%

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 29
Current: $20,426 AUD|Low: $4,385 AUD|High: $656,472 AUD|Avg: $28,307 AUD|-3.0%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 8$4,608 AUD
Retailer 17$4,768 AUD
Retailer 13$4,803 AUD
Retailer 6$5,944 AUD
Retailer 2$6,137 AUD
Retailer 7$6,491 AUD
Retailer 15$7,210 AUD
Retailer 11$7,344 AUD
Retailer 4$7,831 AUD
Retailer 18$7,924 AUD
Retailer 10$8,839 AUD
Retailer 12$9,671 AUD
Retailer 16$9,749 AUD
Retailer 3$11,413 AUD
Retailer 14$11,577 AUD
Retailer 19$12,670 AUD
Retailer 5$15,835 AUD
Retailer 9$16,355 AUD
Brilliant Earth$20,426 AUD

32 data points across 19 retailers

19 retailers$4,608 AUD to $20,426 AUD

A
Cheapest Retailer
-
$4,608 AUD
$3,237 USD
A
Retailer 2
-
$4,768 AUD
$3,350 USD
View
A
Retailer 3
-
$4,803 AUD
$3,374 USD
View
Final sale: no returns
A
Retailer 4
-
$5,944 AUD
$4,176 USD
View
A
Retailer 5
-
$6,137 AUD
£3,395 GBP
View
A
Retailer 6
-
$6,491 AUD
$4,560 USD
View
A
Retailer 7
-
$7,210 AUD
€4,824 EUR
View
A
Retailer 8
-
$7,831 AUD
£4,332 GBP
View
B+
Retailer 9
-
$7,924 AUD
$5,567 USD
View
Retailer 10
-
$8,839 AUD
$6,210 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$9,671 AUD
ZAR 109,757 ZAR
View
Retailer 12
-
$9,749 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$11,413 AUD
$8,018 USD
View
B+
Retailer 14
-
$11,549 AUD
$8,114 USD
View
B+
Retailer 15
-
$11,577 AUD
£6,404 GBP
View
B+
Retailer 16
-
$12,670 AUD
$8,901 USD
View
B
Retailer 17
-
$15,835 AUD
$11,125 USD
View
Retailer 18
-
$16,355 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
17288145A · Oct 29
$20,426 AUD
$14,350 USD
View
18 more retailers have this diamond
Prices start from $4,608 AUDSave up to $15,818 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
4.01ct Oval
$4,608 AUD