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Oval|Lab Grown|IGI

4.71ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG734521857

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG734521857

Diamond specifications and retailer prices

From HK$4,323 HKD
$551 USD
As of October 29, 2026
Save HK$26,903 HKD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$33,109 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.71ct lab-grown oval diamond

This 4.71ct 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 LG734521857 or 734521857. Listed at 16 retailers as of October 29, 2026, with a 622% 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

4.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734521857
Dimensions14.63 × 9.08 × 5.47 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.63 mm9.08 mm4.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734521857
Side View
Table 56.0%Crown 34.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.2%

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$33,109 HKD|Low: HK$4,150 HKD|High: HK$61,196 HKD|Avg: HK$13,491 HKD|-1.5%
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
Retailer 17
October 31, 2026
Retailer 17HK$4,323 HKD
Retailer 11HK$4,485 HKD
Retailer 7HK$4,841 HKD
Retailer 3HK$5,359 HKD
Retailer 6HK$5,359 HKD
Retailer 13HK$6,394 HKD
Retailer 9HK$8,058 HKD
Retailer 4HK$8,262 HKD
Retailer 2HK$8,350 HKD
Retailer 15HK$8,666 HKD
Retailer 12HK$11,260 HKD
Retailer 16HK$13,824 HKD
Retailer 5HK$14,091 HKD
Retailer 8HK$15,417 HKD
Retailer 14HK$23,376 HKD
Retailer 10HK$31,226 HKD
Rare CaratHK$33,109 HKD

39 data points across 17 retailers

16 retailersHK$4,323 HKD to HK$31,226 HKD

A
Cheapest Retailer
-
HK$4,323 HKD
$551 USD
A
Retailer 2
-
HK$4,485 HKD
£450 GBP
View
A
Retailer 3
-
HK$4,841 HKD
$617 USD
View
Retailer 4
-
HK$5,359 HKD
$683 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$5,359 HKD
$683 USD
View
A
Retailer 6
-
HK$6,394 HKD
$815 USD
View
A
Retailer 7
-
HK$8,058 HKD
$1,027 USD
View
B+
Retailer 8
-
HK$8,262 HKD
$1,053 USD
View
A
Retailer 9
-
HK$8,350 HKD
£838 GBP
View
B+
Retailer 10
-
HK$11,260 HKD
A$2,208 AUD
View
B+
Retailer 11
-
HK$13,824 HKD
$1,762 USD
View
B+
Retailer 12
-
HK$14,091 HKD
$1,796 USD
View
B+
Retailer 13
-
HK$15,417 HKD
$1,965 USD
View
B
Retailer 14
-
HK$23,376 HKD
£2,346 GBP
View
B
Retailer 15
-
HK$31,226 HKD
$3,980 USD
View
Most Expensive
Rare Carat
AAA00803 · Oct 21
HK$33,109 HKD
$4,220 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from HK$4,323 HKDSave up to HK$26,903 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
4.71ct Oval
HK$4,323 HKD