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Oval|Lab Grown|IGI

4.50ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG745516776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG745516776

Diamond specifications and retailer prices

From HK$4,739 HKD
$604 USD
As of October 29, 2026
Save HK$24,996 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$29,735 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG745516776 or 745516776. Listed at 19 retailers as of October 29, 2026, with prices from HK$4,739 to HK$29,735, a HK$24,996 spread on the same certified stone. Brilliant Earth lists it at HK$29,735. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745516776
Dimensions12.78 × 9.04 × 5.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.78 mm9.04 mm4.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745516776
Side View
Table 57.0%Crown 36.7°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.0%

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$29,735 HKD|Low: HK$4,551 HKD|High: HK$29,735 HKD|Avg: HK$12,609 HKD
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 3HK$4,739 HKD
Retailer 12HK$4,920 HKD
Retailer 4HK$5,304 HKD
Retailer 18HK$5,304 HKD
Retailer 6HK$5,876 HKD
Retailer 10HK$5,876 HKD
Retailer 14HK$6,904 HKD
Retailer 19HK$7,806 HKD
Retailer 15HK$8,839 HKD
Retailer 8HK$9,046 HKD
Retailer 2HK$9,196 HKD
Retailer 17HK$12,569 HKD
Retailer 7HK$14,358 HKD
Retailer 9HK$15,456 HKD
Retailer 5HK$18,573 HKD
Retailer 11HK$19,000 HKD
Retailer 13HK$25,647 HKD
Retailer 16HK$26,048 HKD
Brilliant EarthHK$29,735 HKD

38 data points across 19 retailers

19 retailersHK$4,739 HKD to HK$29,735 HKD

A
Cheapest Retailer
-
HK$4,739 HKD
$604 USD
A
Retailer 2
-
HK$4,920 HKD
£494 GBP
View
A
Retailer 3
-
HK$5,304 HKD
$676 USD
View
Final sale: no returns
A
Retailer 4
-
HK$5,304 HKD
$676 USD
View
Retailer 5
-
HK$5,876 HKD
$749 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$5,876 HKD
$749 USD
View
A
Retailer 7
-
HK$6,904 HKD
$880 USD
View
B+
Retailer 8
-
HK$7,806 HKD
$995 USD
View
A
Retailer 9
-
HK$8,839 HKD
€1,073 EUR
View
B+
Retailer 10
-
HK$9,046 HKD
$1,153 USD
View
B+
Retailer 11
-
HK$9,196 HKD
£923 GBP
View
B+
Retailer 12
-
HK$12,569 HKD
$1,602 USD
View
B+
Retailer 13
-
HK$14,358 HKD
$1,830 USD
View
B
Retailer 14
-
HK$15,456 HKD
$1,970 USD
View
B
Retailer 15
-
HK$18,573 HKD
$2,367 USD
View
B
Retailer 16
-
HK$19,000 HKD
$2,422 USD
View
B
Retailer 17
-
HK$25,647 HKD
£2,574 GBP
View
Retailer 18
-
HK$26,048 HKD
$3,320 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18205689A · Oct 29
HK$29,735 HKD
$3,790 USD
View
18 more retailers have this diamond
Prices start from HK$4,739 HKDSave up to HK$24,996 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$4,739 HKD