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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG523291787

Shape and cutting style on the report: Emerald cut

Certificate IGI LG523291787

Diamond specifications and retailer prices

From HK$1,106 HKD
$141 USD
As of October 29, 2026
Save HK$5,350 HKD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$7,375 HKD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523291787 or 523291787. Listed at 17 retailers as of October 29, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523291787
Dimensions6.56 × 4.86 × 3.22 mm
L/W Ratio1.35
Culet sizeLong
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
6.56 mm4.86 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523291787
Side View
Table 69.0%Crown 29.3°Girdle: MediumPavilion 44.2°Culet: LNGDepth 66.3%

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: Oct 29
Current: HK$7,375 HKD|Low: HK$1,067 HKD|High: HK$7,610 HKD|Avg: HK$3,044 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10HK$1,106 HKD
Retailer 4HK$1,240 HKD
Retailer 11HK$1,373 HKD
Retailer 12HK$1,373 HKD
Retailer 3HK$1,867 HKD
Retailer 2HK$2,355 HKD
Retailer 5HK$2,589 HKD
Retailer 9HK$2,611 HKD
Retailer 7HK$2,628 HKD
Retailer 6HK$3,272 HKD
Retailer 13HK$3,295 HKD
Retailer 8HK$6,457 HKD
Brilliant EarthHK$7,375 HKD

44 data points across 13 retailers

17 retailersHK$1,106 HKD to HK$6,457 HKD

A
Cheapest Retailer
-
HK$1,106 HKD
$141 USD
A
Retailer 2
-
HK$1,240 HKD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,287 HKD
$164 USD
View
A
Retailer 4
-
HK$1,373 HKD
$175 USD
View
A
Retailer 5
-
HK$1,373 HKD
$175 USD
View
B+
Retailer 6
-
HK$1,867 HKD
$238 USD
View
A
Retailer 7
-
HK$2,355 HKD
£236 GBP
View
B+
Retailer 8
-
HK$2,589 HKD
$330 USD
View
A
Retailer 9
-
HK$2,611 HKD
£262 GBP
View
B+
Retailer 10
-
HK$2,628 HKD
€319 EUR
View
B+
Retailer 11
-
HK$3,272 HKD
$417 USD
View
B+
Retailer 12
-
HK$3,295 HKD
$420 USD
View
B+
Retailer 13
-
HK$4,045 HKD
£406 GBP
View
B+
Retailer 14
-
HK$4,417 HKD
$563 USD
View
B
Retailer 15
-
HK$4,855 HKD
$619 USD
View
B
Retailer 16
-
HK$6,457 HKD
£648 GBP
View
Most Expensive
Brilliant Earth
16211415A · Oct 15
HK$7,375 HKD
$940 USD
View
Price last confirmed 16 days ago
16 more retailers have this diamond
Prices start from HK$1,106 HKDSave up to HK$5,350 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
1.00ct Emerald
HK$1,106 HKD