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Emerald|Lab Grown|IGI

2.56ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG789628731

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789628731

Diamond specifications and retailer prices

From HK$3,742 HKD
$477 USD
As of October 30, 2026
Save HK$14,067 HKD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,810 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.56ct lab-grown emerald diamond

This 2.56ct lab-grown emerald sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789628731 or 789628731. Listed at 15 retailers as of October 30, 2026, with prices from HK$3,742 to HK$17,810, a HK$14,067 spread on the same certified stone. Brilliant Earth lists it at HK$17,810. 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

2.56
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789628731
Dimensions9.29 × 6.30 × 4.28 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm6.30 mm2.56 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789628731
Side View
Table 70.0%Crown 31.9°Girdle: STK-THKPavilion 37.6°Culet: LargeDepth 67.9%

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 30
Current: HK$17,810 HKD|Low: HK$3,593 HKD|High: HK$34,600 HKD|Avg: HK$10,621 HKD|-43.8%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 11HK$3,742 HKD
Retailer 13HK$4,182 HKD
Retailer 5HK$4,190 HKD
Retailer 4HK$4,637 HKD
Retailer 14HK$4,637 HKD
Retailer 9HK$5,727 HKD
Retailer 6HK$6,810 HKD
Retailer 15HK$7,234 HKD
Retailer 2HK$7,697 HKD
Retailer 10HK$12,467 HKD
Retailer 3HK$14,907 HKD
Retailer 7HK$15,134 HKD
Retailer 12HK$16,291 HKD
Retailer 8HK$17,128 HKD
Brilliant EarthHK$17,810 HKD

40 data points across 15 retailers

15 retailersHK$3,742 HKD to HK$17,810 HKD

A
Cheapest Retailer
-
HK$3,742 HKD
$477 USD
A
Retailer 2
-
HK$4,182 HKD
$533 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,190 HKD
$534 USD
View
Retailer 4
-
HK$4,637 HKD
$591 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$4,637 HKD
$591 USD
View
A
Retailer 6
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 7
-
HK$6,810 HKD
$868 USD
View
B+
Retailer 8
-
HK$7,234 HKD
$922 USD
View
B+
Retailer 9
-
HK$7,697 HKD
£772 GBP
View
B
Retailer 10
-
HK$12,467 HKD
$1,589 USD
View
B
Retailer 11
-
HK$14,907 HKD
$1,900 USD
View
B
Retailer 12
-
HK$15,134 HKD
$1,929 USD
View
B
Retailer 13
-
HK$16,291 HKD
$2,076 USD
View
B
Retailer 14
-
HK$17,128 HKD
£1,719 GBP
View
Most Expensive
B
Brilliant Earth
21067411A · Oct 30
HK$17,810 HKD
$2,270 USD
View
14 more retailers have this diamond
Prices start from HK$3,742 HKDSave up to HK$14,067 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
2.56ct Emerald
HK$3,742 HKD