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Oval|Lab Grown|IGI

4.02ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG843670830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843670830

Diamond specifications and retailer prices

From $3,756 NZD
£1,661 GBP
As of October 30, 2026
Save $21,847 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,604 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct 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 LG843670830 or 843670830. Listed at 11 retailers as of October 29, 2026, with prices from $3,756 to $25,604, a $21,847 spread on the same certified stone. Brilliant Earth lists it at $25,604. 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

4.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670830
Dimensions12.43 × 8.84 × 5.45 mm
L/W Ratio1.41
Girdle conditionFaceted
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
12.43 mm8.84 mm4.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670830
Side View
Table 55.0%Crown 36.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 61.7%

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 30
Current: $25,604 NZD|Low: $3,756 NZD|High: $26,636 NZD|Avg: $11,310 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$3,756 NZD
Retailer 8$4,255 NZD
Retailer 10$6,378 NZD
Retailer 11$6,876 NZD
Retailer 4$7,351 NZD
Retailer 7$7,464 NZD
Retailer 12$10,638 NZD
Retailer 3$10,728 NZD
Retailer 5$12,265 NZD
Retailer 9$12,597 NZD
Retailer 6$24,161 NZD
Brilliant Earth$25,604 NZD

13 data points across 12 retailers

11 retailers$3,756 NZD to $25,604 NZD

A
Cheapest Retailer
-
$3,756 NZD
£1,661 GBP
A
Retailer 2
-
$4,255 NZD
$2,390 USD
View
A
Retailer 3
-
$6,378 NZD
$3,582 USD
View
A
Retailer 4
-
$6,876 NZD
$3,862 USD
View
A
Retailer 5
-
$7,464 NZD
$4,192 USD
View
Retailer 6
-
$10,638 NZD
A$9,192 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
$10,728 NZD
$6,025 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$12,265 NZD
£5,424 GBP
View
B+
Retailer 9
-
$12,597 NZD
$7,075 USD
View
B
Retailer 10
-
$24,161 NZD
$13,570 USD
View
Most Expensive
B
Brilliant Earth
22165576Y · Oct 29
$25,604 NZD
$14,380 USD
View
10 more retailers have this diamond
Prices start from $3,756 NZDSave up to $21,847 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
4.02ct Oval
$3,756 NZD