CaratHunter
Plans
Oval|Lab Grown|IGI

4.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG645467628

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645467628

Diamond specifications and retailer prices

From $829 NZD
£368 GBP
As of October 28, 2026
Save $1,664 NZD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,493 NZD at Adiamor · As of October 28, 2026
View at Adiamor

About this 4.08ct lab-grown oval diamond

This 4.08ct 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 LG645467628 or 645467628. Listed at 6 retailers as of October 28, 2026, with prices from $829 to $2,493, a $1,664 spread on the same certified stone. Adiamor lists it at $2,493. 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

4.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645467628
Dimensions13.42 × 8.91 × 5.51 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.42 mm8.91 mm4.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645467628
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

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 28
Current: $2,493 NZD|Low: $829 NZD|High: $12,988 NZD|Avg: $4,025 NZD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$829 NZD
Retailer 6$892 NZD
Retailer 3$1,090 NZD
Retailer 2$1,599 NZD
Retailer 4$1,623 NZD
Retailer 7$2,295 NZD
Adiamor$2,493 NZD
Retailer 9$6,247 NZD
Retailer 10$9,538 NZD
Retailer 8$12,988 NZD

2 data points across 10 retailers

6 retailers$829 NZD to $2,493 NZD

A
Cheapest Retailer
-
$829 NZD
£368 GBP
A
Retailer 2
-
$892 NZD
$503 USD
View
A
Retailer 3
-
$1,090 NZD
HK$4,800 HKD
View
A
Retailer 4
-
$1,599 NZD
$901 USD
View
A
Retailer 5
-
$1,623 NZD
£720 GBP
View
Most Expensive
B+
Adiamor
D-82827916 · Oct 28
$2,493 NZD
$1,405 USD
View
5 more retailers have this diamond
Prices start from $829 NZDSave up to $1,664 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
4.08ct Oval
$829 NZD