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Emerald|Lab Grown|IGI

1.45ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG551277266

Shape and cutting style on the report: Emerald cut

Certificate IGI LG551277266

Diamond specifications and retailer prices

From HK$1,726 HKD
As of November 4, 2026
Save HK$9,728 HKD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$11,454 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown emerald diamond

This 1.45ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG551277266 or 551277266. Listed at 10 retailers as of November 4, 2026, with prices from HK$1,726 to HK$11,454, a HK$9,728 spread on the same certified stone. Brilliant Earth lists it at HK$11,454. 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

1.45
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551277266
Dimensions7.59 × 5.50 × 3.56 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.59 mm5.50 mm1.45 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551277266
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 37.9°Culet: LargeDepth 64.7%

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: Nov 4
Current: HK$11,454 HKD|Low: HK$1,546 HKD|High: HK$13,651 HKD|Avg: HK$5,717 HKD|-16.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 8HK$1,546 HKD
Retailer 6HK$1,726 HKD
Retailer 10HK$1,891 HKD
Retailer 9HK$3,389 HKD
Retailer 7HK$3,915 HKD
Retailer 2HK$6,190 HKD
Retailer 11HK$6,582 HKD
Retailer 5HK$6,747 HKD
Retailer 4HK$8,967 HKD
Retailer 3HK$9,289 HKD
Brilliant EarthHK$11,454 HKD

16 data points across 11 retailers

10 retailersHK$1,726 HKD to HK$11,454 HKD

Retailer 1
-
HK$1,546 HKD
Price last confirmed 44 days ago
B+
Retailer 2
-
HK$1,726 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,891 HKD
View
Price last confirmed 46 days ago
B+
Retailer 4
-
HK$3,915 HKD
View
B
Retailer 5
-
HK$6,190 HKD
View
B
Retailer 6
-
HK$6,582 HKD
View
Retailer 7
-
HK$6,747 HKD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$8,967 HKD
View
B
Retailer 9
-
HK$9,289 HKD
View
Most Expensive
C
Brilliant Earth
11438317A · Nov 4
HK$11,454 HKD
$1,460 USD
View
9 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$9,728 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+
1.45ct Emerald
HK$1,726 HKD