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Emerald|Lab Grown|IGI

0.51ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG553217872

Shape and cutting style on the report: Emerald cut

Certificate IGI LG553217872

Diamond specifications and retailer prices

From HK$816 HKD
As of November 6, 2026
Save HK$2,816 HKD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,316 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG553217872 or 553217872. Listed at 15 retailers as of November 4, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553217872
Dimensions5.46 × 3.88 × 2.44 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.46 mm3.88 mm0.51 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG553217872
Side View
Table 70.0%Crown 32.7°Girdle: MediumPavilion 36.4°Culet: LNGDepth 62.9%

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 6
Current: HK$9,316 HKD|Low: HK$785 HKD|High: HK$9,455 HKD|Avg: HK$2,593 HKD|-0.3%
MOH London
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
November 6, 2026
Retailer 14HK$816 HKD
Retailer 10HK$910 HKD
Retailer 8HK$949 HKD
Retailer 3HK$1,083 HKD
Retailer 6HK$1,083 HKD
Retailer 9HK$1,294 HKD
Retailer 4HK$2,032 HKD
Retailer 2HK$2,252 HKD
Retailer 12HK$2,699 HKD
Retailer 15HK$2,730 HKD
Retailer 7HK$2,824 HKD
Retailer 5HK$3,601 HKD
Retailer 11HK$3,617 HKD
Retailer 13HK$3,632 HKD
MOH LondonHK$9,316 HKD

45 data points across 15 retailers

15 retailersHK$816 HKD to HK$3,632 HKD

B+
Cheapest Retailer
-
HK$816 HKD
B+
Retailer 2
-
HK$910 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$949 HKD
View
B+
Retailer 4
-
HK$1,083 HKD
View
Retailer 5
-
HK$1,083 HKD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
HK$1,294 HKD
View
B
Retailer 7
-
HK$2,032 HKD
View
B
Retailer 8
-
HK$2,252 HKD
View
B
Retailer 9
-
HK$2,699 HKD
View
B
Retailer 10
-
HK$2,730 HKD
View
B
Retailer 11
-
HK$2,824 HKD
View
B
Retailer 12
-
HK$3,601 HKD
View
C
Retailer 13
-
HK$3,617 HKD
View
B
Retailer 14
-
HK$3,632 HKD
View
Most Expensive
MOH London
LG553217872 · Nov 5
HK$9,316 HKD
£935 GBP
View
Price under review
14 more retailers have this diamond
Prices start from HK$816 HKDSave up to HK$2,816 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 Emerald
HK$816 HKD