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Oval|Lab Grown|IGI

4.50ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG744514788

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744514788

Diamond specifications and retailer prices

From HK$25,538 HKD
$3,255 USD
As of October 29, 2026
Save HK$150,206 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$175,744 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514788 or 744514788. Listed at 18 retailers as of October 29, 2026, with prices from HK$25,538 to HK$175,744, a HK$150,206 spread on the same certified stone. Do Amore Diamonds lists it at HK$175,744. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514788
Dimensions13.06 × 9.33 × 5.64 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.06 mm9.33 mm4.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514788
Side View
Table 56.0%Crown 34.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.5%

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$175,744 HKD|Low: HK$25,067 HKD|High: HK$207,126 HKD|Avg: HK$59,209 HKD|-15.2%
Do Amore Diamonds
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
Retailer 18
October 30, 2026
Retailer 13HK$25,538 HKD
Retailer 11HK$27,318 HKD
Retailer 3HK$27,789 HKD
Retailer 15HK$28,535 HKD
Retailer 17HK$30,873 HKD
Retailer 10HK$33,721 HKD
Retailer 9HK$39,385 HKD
Retailer 16HK$40,860 HKD
Retailer 18HK$40,860 HKD
Retailer 14HK$45,991 HKD
Retailer 5HK$53,720 HKD
Retailer 7HK$58,097 HKD
Retailer 12HK$70,416 HKD
Retailer 6HK$72,538 HKD
Retailer 4HK$81,077 HKD
Retailer 2HK$86,224 HKD
Retailer 8HK$101,142 HKD
Do Amore DiamondsHK$175,744 HKD

37 data points across 18 retailers

18 retailersHK$25,538 HKD to HK$175,744 HKD

A
Cheapest Retailer
-
HK$25,538 HKD
$3,255 USD
A
Retailer 2
-
HK$27,318 HKD
£2,742 GBP
View
A
Retailer 3
-
HK$27,789 HKD
$3,542 USD
View
A
Retailer 4
-
HK$28,535 HKD
$3,637 USD
View
A
Retailer 5
-
HK$30,873 HKD
$3,935 USD
View
A
Retailer 6
-
HK$33,721 HKD
$4,298 USD
View
Final sale: no returns
A
Retailer 7
-
HK$39,385 HKD
$5,020 USD
View
A
Retailer 8
-
HK$40,860 HKD
$5,208 USD
View
A
Retailer 9
-
HK$40,860 HKD
$5,208 USD
View
A
Retailer 10
-
HK$45,991 HKD
$5,862 USD
View
Retailer 11
-
HK$53,720 HKD
€6,521 EUR
View
Price last confirmed 7 days ago
Retailer 12
-
HK$58,097 HKD
$7,405 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$70,416 HKD
£7,067 GBP
View
Retailer 14
-
HK$72,538 HKD
A$14,224 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
HK$81,077 HKD
$10,334 USD
View
B+
Retailer 16
-
HK$86,224 HKD
$10,990 USD
View
Retailer 17
-
HK$101,142 HKD
A$19,833 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-15CCFC341 · Oct 30
HK$175,744 HKD
$22,400 USD
View
17 more retailers have this diamond
Prices start from HK$25,538 HKDSave up to HK$150,206 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
4.50ct Oval
HK$25,538 HKD