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Emerald|Lab Grown|IGI

1.73ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG512205087

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512205087

Diamond specifications and retailer prices

From HK$10,670 HKD
$1,360 USD
As of October 29, 2026
Save HK$32,365 HKD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$43,035 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 LG512205087 or 512205087. Listed at 12 retailers as of October 29, 2026, with prices from HK$10,670 to HK$43,035, a HK$32,365 spread on the same certified stone. MOH London lists it at HK$43,035. 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 angle26.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205087
Dimensions8.72 × 5.66 × 3.52 mm
L/W Ratio1.54
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
8.72 mm5.66 mm1.73 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205087
Side View
Table 64.5%Crown 26.6°Girdle: THN-MEDPavilion 35.3°Culet: LNGDepth 62.2%

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 29
Current: HK$43,035 HKD|Low: HK$10,670 HKD|High: HK$43,373 HKD|Avg: HK$22,818 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
Retailer 15
October 29, 2026
Retailer 9HK$10,670 HKD
Retailer 8HK$12,922 HKD
Retailer 14HK$14,059 HKD
Retailer 15HK$14,467 HKD
Retailer 10HK$14,985 HKD
Retailer 13HK$14,985 HKD
Retailer 3HK$16,319 HKD
Retailer 7HK$16,389 HKD
Retailer 5HK$20,132 HKD
Retailer 11HK$23,553 HKD
Retailer 2HK$25,844 HKD
Retailer 12HK$28,095 HKD
Retailer 4HK$41,246 HKD
Retailer 6HK$42,915 HKD
MOH LondonHK$43,035 HKD

18 data points across 15 retailers

12 retailersHK$10,670 HKD to HK$43,035 HKD

B+
Cheapest Retailer
-
HK$10,670 HKD
$1,360 USD
B
Retailer 2
-
HK$12,922 HKD
$1,647 USD
View
B+
Retailer 3
-
HK$14,059 HKD
$1,792 USD
View
B
Retailer 4
-
HK$14,467 HKD
$1,844 USD
View
Final sale: no returns
B
Retailer 5
-
HK$14,985 HKD
$1,910 USD
View
Retailer 6
-
HK$14,985 HKD
$1,910 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$16,319 HKD
$2,080 USD
View
B
Retailer 8
-
HK$23,553 HKD
$3,002 USD
View
B
Retailer 9
-
HK$25,844 HKD
$3,294 USD
View
B
Retailer 10
-
HK$28,095 HKD
$3,581 USD
View
B
Retailer 11
-
HK$41,246 HKD
$5,257 USD
View
Most Expensive
B
MOH London
LG512205087 · Oct 29
HK$43,035 HKD
£4,319 GBP
View
11 more retailers have this diamond
Prices start from HK$10,670 HKDSave up to HK$32,365 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$10,670 HKD