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Emerald|Lab Grown|IGI

1.78ct G SI1 Emerald Lab Grown Diamond

GD • G/SI1 • IGI LG546230309

Shape and cutting style on the report: Emerald cut

Certificate IGI LG546230309

Diamond specifications and retailer prices

From HK$5,868 HKD
$748 USD
As of October 27, 2026
Save HK$21,003 HKD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$26,871 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG546230309 or 546230309. Listed at 7 retailers as of October 27, 2026, with prices from HK$5,868 to HK$26,871, a HK$21,003 spread on the same certified stone. MOH London lists it at HK$26,871. 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

1.78
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546230309
Dimensions8.73 × 5.84 × 3.60 mm
L/W Ratio1.49
Culet sizeLarge
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
8.73 mm5.84 mm1.78 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546230309
Side View
Table 66.5%Crown 36.5°Girdle: MediumPavilion 37.7°Culet: LargeDepth 61.6%

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: Oct 27
Current: HK$26,871 HKD|Low: HK$6,339 HKD|High: HK$27,090 HKD|Avg: HK$13,758 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4HK$6,339 HKD
Retailer 3HK$6,386 HKD
Retailer 7HK$8,198 HKD
Retailer 2HK$11,015 HKD
Retailer 8HK$11,232 HKD
Retailer 9HK$12,803 HKD
Retailer 6HK$19,498 HKD
Retailer 5HK$20,750 HKD
MOH LondonHK$26,871 HKD

10 data points across 9 retailers

7 retailersHK$5,868 HKD to HK$26,871 HKD

B+
Cheapest Retailer
-
HK$5,868 HKD
$748 USD
B+
Retailer 2
-
HK$6,386 HKD
$814 USD
View
B
Retailer 3
-
HK$6,810 HKD
$868 USD
View
B
Retailer 4
-
HK$11,015 HKD
$1,404 USD
View
C
Retailer 5
-
HK$19,142 HKD
$2,440 USD
View
C
Retailer 6
-
HK$20,750 HKD
CA$3,674 CAD
View
Most Expensive
C
MOH London
LG546230309 · Oct 29
HK$26,871 HKD
£2,697 GBP
View
6 more retailers have this diamond
Prices start from HK$5,868 HKDSave up to HK$21,003 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+
1.78ct Emerald
HK$5,868 HKD