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Emerald|Lab Grown|IGI

0.51ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG758555865

Shape and cutting style on the report: Emerald cut

Certificate IGI LG758555865

Diamond specifications and retailer prices

From HK$941 HKD
$120 USD
As of November 1, 2026
Save HK$3,249 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$9,725 HKD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758555865 or 758555865. Listed at 14 retailers as of October 31, 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. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758555865
Dimensions5.34 × 3.71 × 2.63 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.34 mm3.71 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758555865
Side View
Table 64.0%Crown 37.5°Girdle: ThickPavilion 40.7°Culet: LargeDepth 70.9%

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: Nov 1
Current: HK$9,725 HKD|Low: HK$902 HKD|High: HK$9,835 HKD|Avg: HK$2,759 HKD
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
November 2, 2026
Retailer 10HK$941 HKD
Retailer 4HK$1,091 HKD
Retailer 3HK$1,240 HKD
Retailer 12HK$1,240 HKD
Retailer 11HK$1,648 HKD
Retailer 8HK$1,687 HKD
Retailer 6HK$1,961 HKD
Retailer 7HK$2,101 HKD
Retailer 2HK$2,395 HKD
Retailer 5HK$3,546 HKD
Retailer 13HK$3,742 HKD
Retailer 9HK$4,174 HKD
MOH LondonHK$9,725 HKD

45 data points across 13 retailers

14 retailersHK$941 HKD to HK$4,190 HKD

A
Cheapest Retailer
-
HK$941 HKD
$120 USD
A
Retailer 2
-
HK$1,091 HKD
$139 USD
View
B+
Retailer 3
-
HK$1,240 HKD
$158 USD
View
Retailer 4
-
HK$1,240 HKD
$158 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$1,648 HKD
$210 USD
View
B+
Retailer 6
-
HK$1,961 HKD
$250 USD
View
B+
Retailer 7
-
HK$2,101 HKD
€255 EUR
View
B
Retailer 8
-
HK$2,395 HKD
£240 GBP
View
B
Retailer 9
-
HK$3,269 HKD
SGD 563 SGD
View
B
Retailer 10
-
HK$3,546 HKD
$452 USD
View
B
Retailer 11
-
HK$3,742 HKD
$477 USD
View
B
Retailer 12
-
HK$4,174 HKD
$532 USD
View
B
Retailer 13
-
HK$4,190 HKD
$534 USD
View
Most Expensive
MOH London
LG758555865 · Nov 1
HK$9,725 HKD
£976 GBP
View
Price under review
13 more retailers have this diamond
Prices start from HK$941 HKDSave up to HK$3,249 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 Emerald
HK$941 HKD