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Oval|Lab Grown|IGI

4.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG788648086

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788648086

Diamond specifications and retailer prices

From $1,143 NZD
$644 USD
As of October 29, 2026
Save $4,468 NZD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,611 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG788648086 or 788648086. Listed at 7 retailers as of October 29, 2026, with prices from $1,143 to $5,611, a $4,468 spread on the same certified stone. MOH London lists it at $5,611. 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 angle36.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788648086
Dimensions12.86 × 9.03 × 5.56 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.86 mm9.03 mm4.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788648086
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,611 NZD|Low: $1,143 NZD|High: $5,649 NZD|Avg: $3,219 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$1,143 NZD
Retailer 5$2,163 NZD
Retailer 2$2,165 NZD
Retailer 3$3,385 NZD
Retailer 6$3,838 NZD
MOH London$5,611 NZD

17 data points across 6 retailers

7 retailers$1,143 NZD to $5,611 NZD

A
Cheapest Retailer
-
$1,143 NZD
$644 USD
A
Retailer 2
-
$1,242 NZD
$700 USD
View
B+
Retailer 3
-
$2,163 NZD
$1,219 USD
View
B+
Retailer 4
-
$2,165 NZD
$1,220 USD
View
B
Retailer 5
-
$3,385 NZD
$1,908 USD
View
B
Retailer 6
-
$3,726 NZD
$2,100 USD
View
Most Expensive
B
MOH London
LG788648086 · Oct 29
$5,611 NZD
£2,490 GBP
View
6 more retailers have this diamond
Prices start from $1,143 NZDSave up to $4,468 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
$1,143 NZD