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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 HK$4,394 HKD
$560 USD
As of October 29, 2026
Save HK$19,391 HKD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$58,529 HKD 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: HK$58,529 HKD|Low: HK$4,394 HKD|High: HK$60,333 HKD|Avg: HK$15,547 HKD|-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 31, 2026
Retailer 10HK$4,394 HKD
Retailer 4HK$4,919 HKD
Retailer 11HK$5,453 HKD
Retailer 7HK$6,512 HKD
Retailer 12HK$8,403 HKD
Retailer 2HK$8,502 HKD
Retailer 3HK$8,669 HKD
Retailer 6HK$11,872 HKD
Retailer 9HK$12,263 HKD
Retailer 5HK$23,784 HKD
Retailer 8HK$25,852 HKD
Brilliant EarthHK$58,529 HKD

42 data points across 12 retailers

18 retailersHK$4,394 HKD to HK$23,784 HKD

A
Cheapest Retailer
-
HK$4,394 HKD
$560 USD
A
Retailer 2
-
HK$4,919 HKD
$627 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,919 HKD
$627 USD
View
A
Retailer 4
-
HK$5,453 HKD
$695 USD
View
Retailer 5
-
HK$5,453 HKD
$695 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$6,512 HKD
$830 USD
View
B+
Retailer 7
-
HK$8,403 HKD
$1,071 USD
View
A
Retailer 8
-
HK$8,502 HKD
£853 GBP
View
A
Retailer 9
-
HK$8,669 HKD
$1,105 USD
View
B+
Retailer 10
-
HK$11,872 HKD
A$2,328 AUD
View
B+
Retailer 11
-
HK$12,263 HKD
$1,563 USD
View
Retailer 12
-
HK$13,024 HKD
$1,660 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
HK$14,334 HKD
$1,827 USD
View
B+
Retailer 14
-
HK$14,350 HKD
$1,829 USD
View
B
Retailer 15
-
HK$17,670 HKD
$2,252 USD
View
B
Retailer 16
-
HK$23,784 HKD
£2,387 GBP
View
Retailer 17
-
HK$25,852 HKD
$3,295 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
15507194A · Oct 28
HK$58,529 HKD
$7,460 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$4,394 HKDSave up to HK$19,391 HKD

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
HK$4,394 HKD