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Emerald|Lab Grown|IGI

2.51ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG783639750

Shape and cutting style on the report: Emerald cut

Certificate IGI LG783639750

Diamond specifications and retailer prices

From HK$5,453 HKD
$695 USD
As of October 30, 2026
Save HK$47,349 HKD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$52,802 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.51ct lab-grown emerald diamond

This 2.51ct 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 LG783639750 or 783639750. Listed at 24 retailers as of October 26, 2026, with prices from HK$5,453 to HK$52,802, a HK$47,349 spread on the same certified stone. Brilliant Earth lists it at HK$52,802. 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

2.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783639750
Dimensions9.36 × 6.08 × 9.36 mm
L/W Ratio1.54
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm6.08 mm2.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783639750
Side View
Table 62.0%Crown 37.9°Girdle: STK-THKPavilion 38.4°Culet: LargeDepth 66.8%

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$52,802 HKD|Low: HK$5,233 HKD|High: HK$52,802 HKD|Avg: HK$15,660 HKD|+8.5%
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
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 17HK$5,453 HKD
Retailer 8HK$5,931 HKD
Retailer 4HK$6,096 HKD
Retailer 15HK$6,324 HKD
Retailer 19HK$6,324 HKD
Retailer 18HK$7,728 HKD
Retailer 21HK$9,117 HKD
Retailer 16HK$10,129 HKD
Retailer 5HK$10,286 HKD
Retailer 10HK$11,055 HKD
Retailer 2HK$15,014 HKD
Retailer 13HK$15,574 HKD
Retailer 11HK$15,606 HKD
Retailer 6HK$17,778 HKD
Retailer 12HK$19,011 HKD
Retailer 3HK$19,661 HKD
Retailer 22HK$21,568 HKD
Retailer 7HK$21,752 HKD
Retailer 9HK$21,804 HKD
Retailer 14HK$24,514 HKD
Retailer 20HK$24,960 HKD
Brilliant EarthHK$52,802 HKD

30 data points across 22 retailers

24 retailersHK$5,453 HKD to HK$52,802 HKD

A
Cheapest Retailer
-
HK$5,453 HKD
$695 USD
A
Retailer 2
-
HK$5,931 HKD
$756 USD
View
A
Retailer 3
-
HK$6,096 HKD
$777 USD
View
Final sale: no returns
Retailer 4
-
HK$6,120 HKD
$780 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$6,324 HKD
$806 USD
View
Retailer 6
-
HK$6,324 HKD
$806 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
HK$7,728 HKD
$985 USD
View
A
Retailer 8
-
HK$9,117 HKD
$1,162 USD
View
A
Retailer 9
-
HK$10,129 HKD
£1,017 GBP
View
A
Retailer 10
-
HK$10,286 HKD
$1,311 USD
View
A
Retailer 11
-
HK$11,055 HKD
€1,342 EUR
View
Retailer 12
-
HK$15,014 HKD
A$2,944 AUD
View
A
Retailer 13
-
HK$15,574 HKD
$1,985 USD
View
Retailer 14
-
HK$15,606 HKD
ZAR 32,134 ZAR
View
Price last confirmed 11 days ago
A
Retailer 15
-
HK$17,778 HKD
$2,266 USD
View
Retailer 16
-
HK$19,011 HKD
£1,908 GBP
View
Price last confirmed 9 days ago
A
Retailer 17
-
HK$19,661 HKD
$2,506 USD
View
A
Retailer 18
-
HK$19,771 HKD
$2,520 USD
View
A
Retailer 19
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HK$21,568 HKD
$2,749 USD
View
B+
Retailer 20
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HK$21,752 HKD
$2,773 USD
View
A
Retailer 21
-
HK$21,804 HKD
$2,779 USD
View
Retailer 22
-
HK$24,514 HKD
A$4,807 AUD
View
Price last confirmed 22 days ago
B+
Retailer 23
-
HK$24,960 HKD
£2,505 GBP
View
Most Expensive
B
Brilliant Earth
20845324A · Oct 26
HK$52,802 HKD
$6,730 USD
View
23 more retailers have this diamond
Prices start from HK$5,453 HKDSave up to HK$47,349 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
2.51ct Emerald
HK$5,453 HKD