CaratHunter
Plans
Oval|Lab Grown|IGI

4.52ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG728517416

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG728517416

Diamond specifications and retailer prices

From $797 AUD
$560 USD
As of October 29, 2026
Save $3,518 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,620 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.52ct lab-grown oval diamond

This 4.52ct 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 LG728517416 or 728517416. Listed at 18 retailers as of October 29, 2026, with a 441% 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

4.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728517416
Dimensions13.48 × 9.46 × 5.68 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
13.48 mm9.46 mm4.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728517416
Side View
Table 62.0%Crown 31°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 60.0%

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: $10,620 AUD|Low: $797 AUD|High: $10,947 AUD|Avg: $2,809 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$797 AUD
Retailer 4$893 AUD
Retailer 11$989 AUD
Retailer 7$1,182 AUD
Retailer 12$1,525 AUD
Retailer 2$1,543 AUD
Retailer 3$1,573 AUD
Retailer 6$2,154 AUD
Retailer 9$2,225 AUD
Retailer 5$4,316 AUD
Retailer 8$4,691 AUD
Brilliant Earth$10,620 AUD

41 data points across 12 retailers

18 retailers$797 AUD to $4,316 AUD

A
Cheapest Retailer
-
$797 AUD
$560 USD
A
Retailer 2
-
$893 AUD
$627 USD
View
Final sale: no returns
A
Retailer 3
-
$893 AUD
$627 USD
View
A
Retailer 4
-
$989 AUD
$695 USD
View
Retailer 5
-
$989 AUD
$695 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,182 AUD
$830 USD
View
B+
Retailer 7
-
$1,525 AUD
$1,071 USD
View
A
Retailer 8
-
$1,543 AUD
£853 GBP
View
A
Retailer 9
-
$1,573 AUD
$1,105 USD
View
B+
Retailer 10
-
$2,154 AUD
View
B+
Retailer 11
-
$2,225 AUD
$1,563 USD
View
Retailer 12
-
$2,363 AUD
$1,660 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
$2,601 AUD
$1,827 USD
View
B+
Retailer 14
-
$2,604 AUD
$1,829 USD
View
B
Retailer 15
-
$3,206 AUD
$2,252 USD
View
B
Retailer 16
-
$4,316 AUD
£2,387 GBP
View
Retailer 17
-
$4,691 AUD
$3,295 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
15507194A · Oct 28
$10,620 AUD
$7,460 USD
View
Price under review
17 more retailers have this diamond
Prices start from $797 AUDSave up to $3,518 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
4.52ct Oval
$797 AUD