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Emerald|Lab Grown|IGI

0.51ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG538298126

Shape and cutting style on the report: Emerald cut

Certificate IGI LG538298126

Diamond specifications and retailer prices

From HK$973 HKD
$124 USD
As of October 27, 2026
Save HK$3,138 HKD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$10,153 HKD at MOH London · As of October 21, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538298126 or 538298126. Listed at 11 retailers as of October 26, 2026, with a 323% 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle22.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298126
Dimensions5.85 × 3.75 × 2.40 mm
L/W Ratio1.56
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
5.85 mm3.75 mm0.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538298126
Side View
Table 67.5%Crown 22.7°Girdle: Slightly ThickPavilion 40.2°Culet: LNGDepth 64.0%

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 27
Current: HK$10,153 HKD|Low: HK$934 HKD|High: HK$10,222 HKD|Avg: HK$3,258 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
Retailer 13
October 18, 2026
Retailer 6HK$973 HKD
Retailer 12HK$1,130 HKD
Retailer 8HK$1,287 HKD
Retailer 11HK$1,287 HKD
Retailer 9HK$2,330 HKD
Retailer 3HK$2,711 HKD
Retailer 7HK$2,824 HKD
Retailer 13HK$2,997 HKD
Retailer 10HK$3,891 HKD
Retailer 2HK$4,111 HKD
Retailer 5HK$4,161 HKD
Retailer 4HK$4,550 HKD
MOH LondonHK$10,153 HKD

12 data points across 13 retailers

11 retailersHK$973 HKD to HK$4,111 HKD

A
Cheapest Retailer
-
HK$973 HKD
$124 USD
A
Retailer 2
-
HK$1,130 HKD
$144 USD
View
A
Retailer 3
-
HK$1,287 HKD
$164 USD
View
A
Retailer 4
-
HK$1,287 HKD
$164 USD
View
B+
Retailer 5
-
HK$2,330 HKD
$297 USD
View
B+
Retailer 6
-
HK$2,711 HKD
View
B+
Retailer 7
-
HK$2,824 HKD
$360 USD
View
B+
Retailer 8
-
HK$2,997 HKD
$382 USD
View
B
Retailer 9
-
HK$3,891 HKD
$496 USD
View
B
Retailer 10
-
HK$4,111 HKD
$524 USD
View
Most Expensive
B
MOH London
LG538298126 · Oct 21
HK$10,153 HKD
£1,019 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from HK$973 HKDSave up to HK$3,138 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$973 HKD