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Oval|Lab Grown|IGI

4.38ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG628447455

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG628447455

Diamond specifications and retailer prices

From $3,823 NZD
$2,147 USD
As of October 27, 2026
Save $24,078 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $27,900 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.38ct lab-grown oval diamond

This 4.38ct 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 LG628447455 or 628447455. Listed at 18 retailers as of October 27, 2026, with prices from $3,823 to $27,900, a $24,078 spread on the same certified stone. Brilliant Earth lists it at $27,900. 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

4.38
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447455
Dimensions12.97 × 9.27 × 5.71 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.97 mm9.27 mm4.38 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447455
Side View
Table 58.0%Crown 37°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 61.6%

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 27
Current: $27,900 NZD|Low: $3,823 NZD|High: $31,016 NZD|Avg: $11,777 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 29, 2026
Retailer 13$3,823 NZD
Retailer 4$4,159 NZD
Retailer 15$4,576 NZD
Retailer 18$4,727 NZD
Retailer 12$4,991 NZD
Retailer 10$5,049 NZD
Retailer 3$6,727 NZD
Retailer 14$6,928 NZD
Retailer 17$6,949 NZD
Retailer 19$7,931 NZD
Retailer 9$8,773 NZD
Retailer 11$9,789 NZD
Retailer 6$10,701 NZD
Retailer 7$11,662 NZD
Retailer 5$12,136 NZD
Retailer 2$13,174 NZD
Retailer 8$22,342 NZD
Retailer 16$26,298 NZD
Brilliant Earth$27,900 NZD

30 data points across 19 retailers

18 retailers$3,823 NZD to $27,900 NZD

A
Cheapest Retailer
-
$3,823 NZD
$2,147 USD
A
Retailer 2
-
$4,159 NZD
$2,336 USD
View
A
Retailer 3
-
$4,576 NZD
$2,570 USD
View
A
Retailer 4
-
$4,727 NZD
$2,655 USD
View
A
Retailer 5
-
$4,991 NZD
$2,803 USD
View
A
Retailer 6
-
$5,049 NZD
$2,836 USD
View
Final sale: no returns
A
Retailer 7
-
$6,727 NZD
$3,778 USD
View
A
Retailer 8
-
$6,928 NZD
$3,891 USD
View
A
Retailer 9
-
$6,949 NZD
$3,903 USD
View
A
Retailer 10
-
$7,931 NZD
€4,242 EUR
View
A
Retailer 11
-
$8,773 NZD
$4,927 USD
View
A
Retailer 12
-
$10,701 NZD
A$9,246 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$11,662 NZD
$6,550 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$12,136 NZD
$6,816 USD
View
B+
Retailer 15
-
$13,174 NZD
£5,826 GBP
View
B
Retailer 16
-
$22,342 NZD
A$19,305 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
$26,298 NZD
$14,770 USD
View
Most Expensive
B
Brilliant Earth
10258426Y · Oct 29
$27,900 NZD
$15,670 USD
View
17 more retailers have this diamond
Prices start from $3,823 NZDSave up to $24,078 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
4.38ct Oval
$3,823 NZD