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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG683599776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG683599776

Diamond specifications and retailer prices

From $626 AUD
$440 USD
As of October 29, 2026
Save $2,245 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,871 AUD at MOH London · As of October 29, 2026
View at MOH London

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 LG683599776 or 683599776. Listed at 13 retailers as of October 29, 2026, with prices from $626 to $2,871, a $2,245 spread on the same certified stone. MOH London lists it at $2,871. 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 angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683599776
Dimensions13.13 × 8.78 × 5.57 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.13 mm8.78 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683599776
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.4%

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: $2,871 AUD|Low: $626 AUD|High: $10,378 AUD|Avg: $2,521 AUD
MOH London
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 12$626 AUD
Retailer 10$651 AUD
Retailer 6$702 AUD
Retailer 14$777 AUD
Retailer 16$856 AUD
Retailer 13$982 AUD
Retailer 4$1,220 AUD
Retailer 15$1,264 AUD
Retailer 11$1,285 AUD
Retailer 7$1,785 AUD
Retailer 17$1,929 AUD
Retailer 2$2,090 AUD
Retailer 5$2,500 AUD
MOH London$2,871 AUD
Retailer 3$3,488 AUD
Retailer 8$7,502 AUD
Retailer 9$10,378 AUD

4 data points across 17 retailers

13 retailers$626 AUD to $2,871 AUD

A
Cheapest Retailer
-
$626 AUD
$440 USD
A
Retailer 2
-
$651 AUD
£360 GBP
View
A
Retailer 3
-
$702 AUD
$493 USD
View
A
Retailer 4
-
$777 AUD
$546 USD
View
A
Retailer 5
-
$856 AUD
HK$4,700 HKD
View
A
Retailer 6
-
$982 AUD
$690 USD
View
B+
Retailer 7
-
$1,220 AUD
$857 USD
View
A
Retailer 8
-
$1,264 AUD
$888 USD
View
A
Retailer 9
-
$1,285 AUD
£711 GBP
View
B+
Retailer 10
-
$1,929 AUD
$1,355 USD
View
B+
Retailer 11
-
$2,090 AUD
$1,468 USD
View
B
Retailer 12
-
$2,500 AUD
$1,756 USD
View
Most Expensive
B
MOH London
LG683599776 · Oct 29
$2,871 AUD
£1,588 GBP
View
12 more retailers have this diamond
Prices start from $626 AUDSave up to $2,245 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
$626 AUD