CaratHunter
Plans
Oval|Lab Grown|IGI

4.06ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG534248945

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG534248945

Diamond specifications and retailer prices

From $2,124 NZD
$1,197 USD
As of October 31, 2026
Save $5,382 NZD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,977 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534248945 or 534248945. Listed at 14 retailers as of October 29, 2026, with a 253% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534248945
Dimensions12.82 × 9.00 × 5.63 mm
L/W Ratio1.42
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
12.82 mm9.00 mm4.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534248945
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,977 NZD|Low: $1,515 NZD|High: $12,331 NZD|Avg: $4,581 NZD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$2,124 NZD
Retailer 10$2,202 NZD
Retailer 4$2,511 NZD
Retailer 8$2,867 NZD
Retailer 2$3,189 NZD
Retailer 7$3,504 NZD
Retailer 6$3,620 NZD
Retailer 11$4,466 NZD
Retailer 3$6,216 NZD
Retailer 5$7,506 NZD
Brilliant Earth$11,977 NZD

41 data points across 11 retailers

14 retailers$2,124 NZD to $7,506 NZD

Retailer 1
-
$1,822 NZD
$1,027 USD
Price last confirmed 29 days ago
Retailer 2
-
$2,065 NZD
$1,164 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$2,124 NZD
$1,197 USD
View
Final sale: no returns
Retailer 4
-
$2,202 NZD
$1,241 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
$2,511 NZD
$1,415 USD
View
B+
Retailer 6
-
$2,867 NZD
$1,616 USD
View
B+
Retailer 7
-
$3,189 NZD
£1,415 GBP
View
B+
Retailer 8
-
$3,504 NZD
€1,881 EUR
View
B
Retailer 9
-
$3,620 NZD
$2,040 USD
View
Retailer 10
-
$4,127 NZD
$2,326 USD
View
Price last confirmed 23 days ago
B
Retailer 11
-
$4,466 NZD
$2,517 USD
View
B
Retailer 12
-
$6,216 NZD
$3,503 USD
View
B
Retailer 13
-
$7,506 NZD
£3,331 GBP
View
Most Expensive
Brilliant Earth
10022010A · Oct 29
$11,977 NZD
$6,750 USD
View
Price under review
13 more retailers have this diamond
Prices start from $2,124 NZDSave up to $5,382 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.

B+
4.06ct Oval
$2,124 NZD