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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 $5,763 NZD
$3,237 USD
As of October 29, 2026
Save $19,787 NZD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $25,550 NZD 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 $5,763 to $25,550, a $19,787 spread on the same certified stone. Brilliant Earth lists it at $25,550. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $25,550 NZD|Low: $5,486 NZD|High: $821,167 NZD|Avg: $35,408 NZD|-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$5,763 NZD
Retailer 17$5,965 NZD
Retailer 13$6,007 NZD
Retailer 6$7,435 NZD
Retailer 2$7,677 NZD
Retailer 7$8,119 NZD
Retailer 15$9,019 NZD
Retailer 11$9,187 NZD
Retailer 4$9,796 NZD
Retailer 18$9,912 NZD
Retailer 10$11,057 NZD
Retailer 12$12,097 NZD
Retailer 16$12,195 NZD
Retailer 3$14,276 NZD
Retailer 14$14,481 NZD
Retailer 19$15,849 NZD
Retailer 5$19,808 NZD
Retailer 9$20,458 NZD
Brilliant Earth$25,550 NZD

32 data points across 19 retailers

19 retailers$5,763 NZD to $25,550 NZD

A
Cheapest Retailer
-
$5,763 NZD
$3,237 USD
A
Retailer 2
-
$5,965 NZD
$3,350 USD
View
A
Retailer 3
-
$6,007 NZD
$3,374 USD
View
Final sale: no returns
A
Retailer 4
-
$7,435 NZD
$4,176 USD
View
A
Retailer 5
-
$7,677 NZD
£3,395 GBP
View
A
Retailer 6
-
$8,119 NZD
$4,560 USD
View
A
Retailer 7
-
$9,019 NZD
€4,824 EUR
View
A
Retailer 8
-
$9,796 NZD
£4,332 GBP
View
B+
Retailer 9
-
$9,912 NZD
$5,567 USD
View
Retailer 10
-
$11,057 NZD
$6,210 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$12,097 NZD
ZAR 109,757 ZAR
View
Retailer 12
-
$12,195 NZD
A$10,537 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$14,276 NZD
$8,018 USD
View
B+
Retailer 14
-
$14,447 NZD
$8,114 USD
View
B+
Retailer 15
-
$14,481 NZD
£6,404 GBP
View
B+
Retailer 16
-
$15,849 NZD
$8,901 USD
View
B
Retailer 17
-
$19,808 NZD
$11,125 USD
View
Retailer 18
-
$20,458 NZD
A$17,677 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
17288145A · Oct 29
$25,550 NZD
$14,350 USD
View
18 more retailers have this diamond
Prices start from $5,763 NZDSave up to $19,787 NZD

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
$5,763 NZD