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Emerald|Lab Grown|IGI

1.73ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG508156151

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508156151

Diamond specifications and retailer prices

From HK$10,669 HKD
$1,360 USD
As of October 28, 2026
Save HK$32,362 HKD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$43,031 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown emerald diamond

This 1.73ct 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 LG508156151 or 508156151. Listed at 11 retailers as of October 28, 2026, with prices from HK$10,669 to HK$43,031, a HK$32,362 spread on the same certified stone. MOH London lists it at HK$43,031. 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

1.73
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle17.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156151
Dimensions8.21 × 5.87 × 3.66 mm
L/W Ratio1.40
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
8.21 mm5.87 mm1.73 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156151
Side View
Table 65.5%Crown 17.5°Girdle: MED-STKPavilion 35°Culet: LNGDepth 62.4%

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 28
Current: HK$43,031 HKD|Low: HK$10,669 HKD|High: HK$43,370 HKD|Avg: HK$21,362 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
Retailer 14
October 29, 2026
Retailer 8HK$10,669 HKD
Retailer 7HK$12,921 HKD
Retailer 13HK$14,058 HKD
Retailer 14HK$14,466 HKD
Retailer 9HK$14,984 HKD
Retailer 12HK$14,984 HKD
Retailer 3HK$16,318 HKD
Retailer 6HK$16,388 HKD
Retailer 4HK$20,131 HKD
Retailer 10HK$23,551 HKD
Retailer 2HK$25,842 HKD
Retailer 11HK$28,093 HKD
Retailer 5HK$42,912 HKD
MOH LondonHK$43,031 HKD

18 data points across 14 retailers

11 retailersHK$10,669 HKD to HK$43,031 HKD

B+
Cheapest Retailer
-
HK$10,669 HKD
$1,360 USD
B
Retailer 2
-
HK$12,921 HKD
$1,647 USD
View
B+
Retailer 3
-
HK$14,058 HKD
$1,792 USD
View
B+
Retailer 4
-
HK$14,466 HKD
$1,844 USD
View
Final sale: no returns
B
Retailer 5
-
HK$14,984 HKD
$1,910 USD
View
B
Retailer 6
-
HK$14,984 HKD
$1,910 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
HK$16,318 HKD
$2,080 USD
View
B
Retailer 8
-
HK$23,551 HKD
$3,002 USD
View
B
Retailer 9
-
HK$25,842 HKD
$3,294 USD
View
B
Retailer 10
-
HK$28,093 HKD
$3,581 USD
View
Most Expensive
B
MOH London
LG508156151 · Oct 29
HK$43,031 HKD
£4,319 GBP
View
10 more retailers have this diamond
Prices start from HK$10,669 HKDSave up to HK$32,362 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+
1.73ct Emerald
HK$10,669 HKD