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Oval|Lab Grown|IGI

4.07ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG627420888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG627420888

Diamond specifications and retailer prices

From $651 AUD
$457 USD
As of October 29, 2026
Save $5,827 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,477 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.07ct lab-grown oval diamond

This 4.07ct 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 LG627420888 or 627420888. Listed at 16 retailers as of October 29, 2026, with prices from $651 to $6,477, a $5,827 spread on the same certified stone. Brilliant Earth lists it at $6,477. 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

4.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627420888
Dimensions12.94 × 9.12 × 5.65 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.94 mm9.12 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627420888
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.0%

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: $6,477 AUD|Low: $625 AUD|High: $7,460 AUD|Avg: $1,913 AUD|-13.2%
Brilliant Earth
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
October 31, 2026
Retailer 5$651 AUD
Retailer 15$677 AUD
Retailer 12$729 AUD
Retailer 3$807 AUD
Retailer 16$807 AUD
Retailer 10$1,011 AUD
Retailer 6$1,264 AUD
Retailer 2$1,305 AUD
Retailer 9$1,336 AUD
Retailer 7$1,397 AUD
Retailer 8$1,996 AUD
Retailer 13$2,170 AUD
Retailer 4$2,594 AUD
Retailer 11$2,969 AUD
Retailer 14$3,545 AUD
Brilliant Earth$6,477 AUD

37 data points across 16 retailers

16 retailers$651 AUD to $6,477 AUD

A
Cheapest Retailer
-
$651 AUD
$457 USD
Retailer 2
-
$677 AUD
£375 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$729 AUD
$512 USD
View
Retailer 4
-
$807 AUD
$567 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$807 AUD
$567 USD
View
A
Retailer 6
-
$1,011 AUD
$710 USD
View
B+
Retailer 7
-
$1,264 AUD
$888 USD
View
A
Retailer 8
-
$1,305 AUD
€873 EUR
View
A
Retailer 9
-
$1,336 AUD
£739 GBP
View
A
Retailer 10
-
$1,397 AUD
$981 USD
View
B+
Retailer 11
-
$1,996 AUD
$1,402 USD
View
B+
Retailer 12
-
$2,170 AUD
$1,524 USD
View
B+
Retailer 13
-
$2,594 AUD
$1,822 USD
View
B
Retailer 14
-
$2,969 AUD
£1,642 GBP
View
Retailer 15
-
$3,545 AUD
$2,490 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9865509A · Oct 29
$6,477 AUD
$4,550 USD
View
15 more retailers have this diamond
Prices start from $651 AUDSave up to $5,827 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
4.07ct Oval
$651 AUD