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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG844635982

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844635982

Diamond specifications and retailer prices

From $634 AUD
$445 USD
As of October 29, 2026
Save $2,265 AUD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,488 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4ct lab-grown oval diamond

This 4ct 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 LG844635982 or 844635982. Listed at 17 retailers as of October 29, 2026, with a 357% 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

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844635982
Dimensions13.28 × 8.80 × 5.20 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.28 mm8.80 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844635982
Side View
Table 63.0%Crown 32.7°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 59.1%

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 29
Current: $3,488 AUD|Low: $634 AUD|High: $3,488 AUD|Avg: $1,852 AUD
Rare Carat
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
October 31, 2026
Retailer 17$634 AUD
Retailer 16$657 AUD
Retailer 3$708 AUD
Retailer 11$709 AUD
Retailer 13$989 AUD
Retailer 8$1,053 AUD
Retailer 2$1,215 AUD
Retailer 12$1,298 AUD
Retailer 5$1,372 AUD
Retailer 7$1,929 AUD
Retailer 14$2,110 AUD
Retailer 6$2,491 AUD
Retailer 10$2,523 AUD
Retailer 9$2,570 AUD
Retailer 15$2,680 AUD
Retailer 4$2,898 AUD
Rare Carat$3,488 AUD

18 data points across 17 retailers

17 retailers$634 AUD to $2,898 AUD

A
Cheapest Retailer
-
$634 AUD
$445 USD
A
Retailer 2
-
$657 AUD
£364 GBP
View
A
Retailer 3
-
$708 AUD
$497 USD
View
Final sale: no returns
A
Retailer 4
-
$709 AUD
$498 USD
View
A
Retailer 5
-
$989 AUD
$695 USD
View
B+
Retailer 6
-
$1,053 AUD
$740 USD
View
A
Retailer 7
-
$1,215 AUD
€813 EUR
View
A
Retailer 8
-
$1,298 AUD
£718 GBP
View
A
Retailer 9
-
$1,372 AUD
$964 USD
View
B+
Retailer 10
-
$1,929 AUD
$1,355 USD
View
B+
Retailer 11
-
$2,110 AUD
$1,482 USD
View
B+
Retailer 12
-
$2,491 AUD
SGD 2,365 SGD
View
B+
Retailer 13
-
$2,523 AUD
$1,772 USD
View
B+
Retailer 14
-
$2,570 AUD
$1,805 USD
View
B
Retailer 15
-
$2,680 AUD
$1,882 USD
View
B
Retailer 16
-
$2,898 AUD
£1,603 GBP
View
Most Expensive
Rare Carat
42A844635982 · Oct 18
$3,488 AUD
$2,450 USD
View
Price last confirmed 13 days ago
16 more retailers have this diamond
Prices start from $634 AUDSave up to $2,265 AUD

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
4.00ct Oval
$634 AUD