CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG512222185

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512222185

Diamond specifications and retailer prices

From HK$4,338 HKD
As of November 4, 2026
Save HK$4,840 HKD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$9,179 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512222185 or 512222185. Listed at 2 retailers as of November 4, 2026, with prices from HK$4,338 to HK$9,179, a HK$4,840 spread on the same certified stone. Brilliant Earth lists it at HK$9,179. 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

1.51
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512222185
Dimensions7.42 × 5.41 × 3.72 mm
L/W Ratio1.37
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
7.42 mm5.41 mm1.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512222185
Side View
Table 65.0%Crown 25.9°Girdle: Slightly ThickPavilion 39.6°Culet: LNGDepth 68.8%

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 4
Current: HK$9,179 HKD|Low: HK$4,213 HKD|High: HK$9,179 HKD|Avg: HK$6,879 HKD|+7.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
September 23, 2026
Retailer 2HK$4,338 HKD
Retailer 3HK$5,484 HKD
Retailer 4HK$6,300 HKD
Brilliant EarthHK$9,179 HKD

14 data points across 4 retailers

2 retailersHK$4,338 HKD to HK$9,179 HKD

A
Cheapest Retailer
-
HK$4,338 HKD
Most Expensive
B+
Brilliant Earth
11704603Y · Nov 4
HK$9,179 HKD
$1,170 USD
View
1 more retailer has this diamond
Prices start from HK$4,338 HKDSave up to HK$4,840 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
1.51ct Emerald
HK$4,338 HKD