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Oval|Lab Grown|IGI

4.75ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG645423289

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645423289

Diamond specifications and retailer prices

From HK$6,198 HKD
$790 USD
As of October 31, 2026
Save HK$25,812 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$33,070 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.75ct lab-grown oval diamond

This 4.75ct 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 LG645423289 or 645423289. Listed at 15 retailers as of October 30, 2026, with a 416% 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

4.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423289
Dimensions13.87 × 9.56 × 5.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.87 mm9.56 mm4.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423289
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

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 31
Current: HK$33,070 HKD|Low: HK$4,150 HKD|High: HK$63,472 HKD|Avg: HK$14,344 HKD|-4.2%
Rare Carat
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 5HK$4,150 HKD
Retailer 14HK$4,317 HKD
Retailer 3HK$4,645 HKD
Retailer 6HK$5,076 HKD
Retailer 8HK$5,147 HKD
Retailer 10HK$6,198 HKD
Retailer 9HK$7,913 HKD
Retailer 15HK$7,963 HKD
Retailer 2HK$8,304 HKD
Retailer 4HK$8,466 HKD
Retailer 13HK$13,275 HKD
Retailer 16HK$13,526 HKD
Retailer 7HK$15,589 HKD
Retailer 12HK$21,592 HKD
Retailer 11HK$32,010 HKD
Rare CaratHK$33,070 HKD

36 data points across 16 retailers

15 retailersHK$6,198 HKD to HK$32,010 HKD

Retailer 1
-
HK$4,150 HKD
$529 USD
Price last confirmed 38 days ago
Retailer 2
-
HK$4,317 HKD
£433 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
HK$4,645 HKD
$592 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$5,076 HKD
$647 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
HK$6,198 HKD
$790 USD
View
A
Retailer 6
-
HK$7,913 HKD
£794 GBP
View
B+
Retailer 7
-
HK$7,963 HKD
$1,015 USD
View
A
Retailer 8
-
HK$8,304 HKD
€1,008 EUR
View
A
Retailer 9
-
HK$8,466 HKD
$1,079 USD
View
B+
Retailer 10
-
HK$13,275 HKD
$1,692 USD
View
Retailer 11
-
HK$13,526 HKD
$1,724 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
HK$15,589 HKD
$1,987 USD
View
B
Retailer 13
-
HK$21,592 HKD
£2,167 GBP
View
B
Retailer 14
-
HK$32,010 HKD
$4,080 USD
View
Most Expensive
Rare Carat
596534 · Oct 21
HK$33,070 HKD
$4,215 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from HK$6,198 HKDSave up to HK$25,812 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
4.75ct Oval
HK$6,198 HKD