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Oval|Lab Grown|IGI

4.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG647476972

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG647476972

Diamond specifications and retailer prices

From HK$5,139 HKD
$655 USD
As of October 29, 2026
Save HK$40,445 HKD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$45,584 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown oval diamond

This 4.51ct 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 LG647476972 or 647476972. Listed at 14 retailers as of October 29, 2026, with prices from HK$5,139 to HK$45,584, a HK$40,445 spread on the same certified stone. Do Amore Diamonds lists it at HK$45,584. 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

4.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647476972
Dimensions13.71 × 9.18 × 5.77 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.71 mm9.18 mm4.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647476972
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

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$45,584 HKD|Low: HK$5,139 HKD|High: HK$49,428 HKD|Avg: HK$18,822 HKD|-7.8%
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
October 29, 2026
Retailer 17HK$5,139 HKD
Retailer 13HK$5,586 HKD
Retailer 11HK$6,904 HKD
Retailer 12HK$8,235 HKD
Retailer 7HK$8,701 HKD
Retailer 8HK$9,424 HKD
Retailer 5HK$9,721 HKD
Retailer 14HK$11,439 HKD
Retailer 10HK$14,575 HKD
Retailer 15HK$15,213 HKD
Retailer 4HK$18,484 HKD
Retailer 16HK$23,728 HKD
Retailer 3HK$25,812 HKD
Retailer 2HK$25,956 HKD
Retailer 6HK$29,657 HKD
Do Amore DiamondsHK$45,584 HKD
Retailer 9HK$46,618 HKD

24 data points across 17 retailers

14 retailersHK$5,139 HKD to HK$45,584 HKD

A
Cheapest Retailer
-
HK$5,139 HKD
$655 USD
A
Retailer 2
-
HK$5,586 HKD
$712 USD
View
A
Retailer 3
-
HK$6,904 HKD
$880 USD
View
A
Retailer 4
-
HK$8,235 HKD
View
B+
Retailer 5
-
HK$9,721 HKD
$1,239 USD
View
B+
Retailer 6
-
HK$11,439 HKD
$1,458 USD
View
B+
Retailer 7
-
HK$14,575 HKD
A$2,858 AUD
View
B+
Retailer 8
-
HK$15,213 HKD
$1,939 USD
View
B
Retailer 9
-
HK$18,484 HKD
$2,356 USD
View
B
Retailer 10
-
HK$23,728 HKD
SGD 4,087 SGD
View
Retailer 11
-
HK$25,812 HKD
$3,290 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$25,956 HKD
£2,605 GBP
View
B
Retailer 13
-
HK$29,657 HKD
$3,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-AD6FE5D17 · Oct 30
HK$45,584 HKD
$5,810 USD
View
13 more retailers have this diamond
Prices start from HK$5,139 HKDSave up to HK$40,445 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
4.51ct Oval
HK$5,139 HKD