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Emerald|Lab Grown|IGI

2.57ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG812621964

Shape and cutting style on the report: Emerald cut

Certificate IGI LG812621964

Diamond specifications and retailer prices

From HK$7,061 HKD
$900 USD
As of October 30, 2026
Save HK$35,149 HKD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$42,210 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.57ct lab-grown emerald diamond

This 2.57ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621964 or 812621964. Listed at 20 retailers as of October 30, 2026, with prices from HK$7,061 to HK$42,210, a HK$35,149 spread on the same certified stone. Brilliant Earth lists it at HK$42,210. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621964
Dimensions9.71 × 6.42 × 4.11 mm
L/W Ratio1.51
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
9.71 mm6.42 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621964
Side View
Table 64.0%Crown 30.3°Girdle: MediumPavilion 41°Culet: LargeDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$42,210 HKD|Low: HK$5,037 HKD|High: HK$50,212 HKD|Avg: HK$19,345 HKD|-15.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 8HK$7,061 HKD
Retailer 6HK$7,218 HKD
Retailer 5HK$7,312 HKD
Retailer 2HK$8,709 HKD
Retailer 3HK$11,000 HKD
Retailer 13HK$11,226 HKD
Retailer 14HK$11,657 HKD
Retailer 12HK$15,723 HKD
Retailer 18HK$17,354 HKD
Retailer 7HK$18,678 HKD
Retailer 15HK$18,873 HKD
Retailer 4HK$20,807 HKD
Retailer 9HK$22,718 HKD
Retailer 16HK$22,886 HKD
Retailer 11HK$24,482 HKD
Retailer 10HK$25,308 HKD
Retailer 17HK$27,461 HKD
Retailer 19HK$35,973 HKD
Brilliant EarthHK$42,210 HKD

40 data points across 19 retailers

20 retailersHK$7,061 HKD to HK$42,210 HKD

Retailer 1
-
HK$6,308 HKD
$804 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$7,061 HKD
$900 USD
View
Final sale: no returns
Retailer 3
-
HK$7,312 HKD
$932 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$7,312 HKD
$932 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
HK$8,709 HKD
$1,110 USD
View
A
Retailer 6
-
HK$11,000 HKD
$1,402 USD
View
A
Retailer 7
-
HK$11,226 HKD
£1,127 GBP
View
A
Retailer 8
-
HK$11,657 HKD
€1,415 EUR
View
A
Retailer 9
-
HK$15,723 HKD
$2,004 USD
View
Retailer 10
-
HK$17,354 HKD
A$3,403 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
HK$18,678 HKD
$2,381 USD
View
A
Retailer 12
-
HK$18,873 HKD
ZAR 38,862 ZAR
View
Retailer 13
-
HK$20,571 HKD
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
HK$20,807 HKD
$2,652 USD
View
B+
Retailer 15
-
HK$22,886 HKD
$2,917 USD
View
B+
Retailer 16
-
HK$24,482 HKD
$3,120 USD
View
B+
Retailer 17
-
HK$25,308 HKD
$3,226 USD
View
B+
Retailer 18
-
HK$27,461 HKD
£2,756 GBP
View
Retailer 19
-
HK$35,973 HKD
$4,585 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21017846A · Oct 30
HK$42,210 HKD
$5,380 USD
View
19 more retailers have this diamond
Prices start from HK$7,061 HKDSave up to HK$35,149 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
2.57ct Emerald
HK$7,061 HKD