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Oval|Lab Grown|IGI

0.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG436044371

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436044371

Diamond specifications and retailer prices

From HK$2,751 HKD
As of November 5, 2026
Save HK$3,378 HKD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$13,348 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436044371 or 436044371. Listed at 12 retailers as of November 5, 2026, with a 123% 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

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436044371
Dimensions6.16 × 4.61 × 2.82 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.16 mm4.61 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436044371
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$13,348 HKD|Low: HK$1,928 HKD|High: HK$13,507 HKD|Avg: HK$5,178 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$1,928 HKD
Retailer 6HK$2,751 HKD
Retailer 7HK$2,978 HKD
Retailer 10HK$3,080 HKD
Retailer 8HK$3,417 HKD
Retailer 11HK$3,417 HKD
Retailer 9HK$5,478 HKD
Retailer 4HK$6,082 HKD
Retailer 2HK$6,129 HKD
Retailer 5HK$10,016 HKD
MOH LondonHK$13,348 HKD

43 data points across 11 retailers

12 retailersHK$2,751 HKD to HK$6,129 HKD

B+
Cheapest Retailer
-
HK$2,751 HKD
B+
Retailer 2
-
HK$2,978 HKD
View
B+
Retailer 3
-
HK$3,080 HKD
View
Final sale: no returns
B
Retailer 4
-
HK$3,198 HKD
View
B+
Retailer 5
-
HK$3,417 HKD
View
Retailer 6
-
HK$3,417 HKD
View
Price last confirmed 12 days ago
B
Retailer 7
-
HK$5,478 HKD
View
B
Retailer 8
-
HK$6,082 HKD
View
B
Retailer 9
-
HK$6,129 HKD
View
Retailer 10
-
HK$10,016 HKD
View
Price under review
Retailer 11
-
HK$10,980 HKD
View
Price under review
Most Expensive
MOH London
LG436044371 · Nov 3
HK$13,348 HKD
£1,341 GBP
View
Price under review
11 more retailers have this diamond
Prices start from HK$2,751 HKDSave up to HK$3,378 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.

B+
0.51ct Oval
HK$2,751 HKD