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Emerald|Lab Grown|IGI

2.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG816641137

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816641137

Diamond specifications and retailer prices

From HK$5,453 HKD
$695 USD
As of November 1, 2026
Save HK$16,352 HKD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$39,307 HKD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816641137 or 816641137. Listed at 19 retailers as of October 31, 2026, with a 300% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816641137
Dimensions10.23 × 6.36 × 3.70 mm
L/W Ratio1.61
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.23 mm6.36 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816641137
Side View
Table 65.0%Crown 33.1°Girdle: MED-STKPavilion 39.9°Culet: LargeDepth 58.2%

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: Nov 1
Current: HK$39,307 HKD|Low: HK$5,453 HKD|High: HK$39,307 HKD|Avg: HK$15,191 HKD
Rare Carat
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
November 2, 2026
Retailer 10HK$5,453 HKD
Retailer 17HK$5,931 HKD
Retailer 5HK$6,096 HKD
Retailer 8HK$6,324 HKD
Retailer 11HK$6,465 HKD
Retailer 14HK$7,728 HKD
Retailer 18HK$9,117 HKD
Retailer 2HK$10,130 HKD
Retailer 15HK$10,286 HKD
Retailer 12HK$15,014 HKD
Retailer 19HK$15,574 HKD
Retailer 13HK$16,313 HKD
Retailer 7HK$17,778 HKD
Retailer 3HK$19,049 HKD
Retailer 4HK$19,609 HKD
Retailer 6HK$21,568 HKD
Retailer 9HK$21,804 HKD
Retailer 16HK$24,860 HKD
Rare CaratHK$39,307 HKD

33 data points across 19 retailers

19 retailersHK$5,453 HKD to HK$21,804 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
A
Retailer 4
-
HK$6,324 HKD
$806 USD
View
Retailer 5
-
HK$6,465 HKD
$824 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$7,728 HKD
$985 USD
View
A
Retailer 7
-
HK$9,117 HKD
$1,162 USD
View
A
Retailer 8
-
HK$10,130 HKD
£1,017 GBP
View
A
Retailer 9
-
HK$10,286 HKD
$1,311 USD
View
A
Retailer 10
-
HK$15,014 HKD
A$2,944 AUD
View
A
Retailer 11
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HK$15,574 HKD
$1,985 USD
View
A
Retailer 12
-
HK$16,313 HKD
ZAR 33,590 ZAR
View
A
Retailer 13
-
HK$17,778 HKD
$2,266 USD
View
A
Retailer 14
-
HK$19,049 HKD
$2,428 USD
View
A
Retailer 15
-
HK$19,609 HKD
£1,968 GBP
View
A
Retailer 16
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HK$21,568 HKD
$2,749 USD
View
A
Retailer 17
-
HK$21,804 HKD
$2,779 USD
View
Retailer 18
-
HK$24,860 HKD
£2,495 GBP
View
Price last confirmed 8 days ago
Most Expensive
Rare Carat
KR18-27A · Oct 7
HK$39,307 HKD
$5,010 USD
View
Price last confirmed 26 days ago
18 more retailers have this diamond
Prices start from HK$5,453 HKDSave up to HK$16,352 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