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Oval|Lab Grown|IGI

0.51ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG843636789

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843636789

Diamond specifications and retailer prices

From HK$807 HKD
As of October 31, 2026
Save HK$5,543 HKD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$6,350 HKD at MOH London · As of November 2, 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 LG843636789 or 843636789. Listed at 11 retailers as of October 31, 2026, with prices from HK$807 to HK$6,350, a HK$5,543 spread on the same certified stone. MOH London lists it at HK$6,350. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843636789
Dimensions6.57 × 4.48 × 2.76 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm4.48 mm0.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843636789
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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$6,350 HKD|Low: HK$784 HKD|High: HK$6,380 HKD|Avg: HK$2,432 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12HK$784 HKD
Retailer 7HK$807 HKD
Retailer 4HK$1,176 HKD
Retailer 2HK$1,591 HKD
Retailer 5HK$1,630 HKD
Retailer 9HK$2,038 HKD
Retailer 10HK$2,085 HKD
Retailer 8HK$2,116 HKD
Retailer 3HK$2,461 HKD
Retailer 6HK$2,774 HKD
Retailer 11HK$3,096 HKD
MOH LondonHK$6,350 HKD

13 data points across 12 retailers

11 retailersHK$807 HKD to HK$6,350 HKD

A
Cheapest Retailer
-
HK$807 HKD
B+
Retailer 2
-
HK$1,176 HKD
View
A
Retailer 3
-
HK$1,591 HKD
View
A
Retailer 4
-
HK$1,630 HKD
View
A
Retailer 5
-
HK$2,038 HKD
View
A
Retailer 6
-
HK$2,085 HKD
View
A
Retailer 7
-
HK$2,116 HKD
View
B+
Retailer 8
-
HK$2,461 HKD
View
B+
Retailer 9
-
HK$2,774 HKD
View
B
Retailer 10
-
HK$3,096 HKD
View
Most Expensive
B
MOH London
LG843636789 · Nov 2
HK$6,350 HKD
£638 GBP
View
10 more retailers have this diamond
Prices start from HK$807 HKDSave up to HK$5,543 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
0.51ct Oval
HK$807 HKD