Oval|Lab Grown|IGI

4.26ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG840630830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840630830

Diamond specifications and retailer prices

From $4,040 NZD
£1,787 GBP
As of October 29, 2026
Save $22,246 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $26,286 NZD at With Clarity · As of October 28, 2026
View at With Clarity

About this 4.26ct lab-grown oval diamond

This 4.26ct 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 LG840630830 or 840630830. Listed at 17 retailers as of October 28, 2026, with prices from $4,040 to $26,286, a $22,246 spread on the same certified stone. With Clarity lists it at $26,286. 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

4.26
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630830
Dimensions13.28 × 9.16 × 5.61 mm
L/W Ratio1.45
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
13.28 mm9.16 mm4.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630830
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
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: $10,265 NZD|Low: $4,015 NZD|High: $26,286 NZD|Avg: $11,321 NZD|+0.9%
Retailer 1
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
With Clarity
October 29, 2026
Retailer 12$4,040 NZD
Retailer 3$5,119 NZD
Retailer 6$5,158 NZD
Retailer 10$6,620 NZD
Retailer 17$7,391 NZD
Retailer 16$7,524 NZD
Retailer 15$8,490 NZD
Retailer 5$9,144 NZD
Retailer 1$10,265 NZD
Retailer 13$10,349 NZD
Retailer 2$10,722 NZD
Retailer 14$11,903 NZD
Retailer 4$12,877 NZD
Retailer 11$13,154 NZD
Retailer 8$16,841 NZD
Retailer 7$17,998 NZD
Retailer 9$18,446 NZD
With Clarity$26,286 NZD

17 data points across 18 retailers

17 retailers$4,040 NZD to $26,286 NZD

A+
Cheapest Retailer
-
$4,040 NZD
£1,787 GBP
A
Retailer 2
-
$5,119 NZD
$2,875 USD
View
A
Retailer 3
-
$5,158 NZD
$2,897 USD
View
Final sale: no returns
A
Retailer 4
-
$6,620 NZD
£2,928 GBP
View
A
Retailer 5
-
$7,391 NZD
$4,151 USD
View
A
Retailer 6
-
$7,524 NZD
$4,226 USD
View
A
Retailer 7
-
$9,144 NZD
£4,044 GBP
View
A
Retailer 8
-
$10,265 NZD
ZAR 93,140 ZAR
View
A
Retailer 9
-
$10,349 NZD
A$8,942 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$10,722 NZD
$6,022 USD
View
B+
Retailer 11
-
$11,903 NZD
$6,685 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$12,877 NZD
$7,232 USD
View
B+
Retailer 13
-
$13,154 NZD
£5,817 GBP
View
B+
Retailer 14
-
$16,841 NZD
$9,459 USD
View
B
Retailer 15
-
$17,998 NZD
SGD 13,660 SGD
View
B
Retailer 16
-
$18,446 NZD
$10,360 USD
View
Most Expensive
B
With Clarity
840630830 · Oct 28
$26,286 NZD
$14,763 USD
View
16 more retailers have this diamond
Prices start from $4,040 NZDSave up to $22,246 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+
4.26ct Oval
$4,040 NZD