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Emerald|Lab Grown|IGI

0.51ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG787649830

Shape and cutting style on the report: Emerald cut

Certificate IGI LG787649830

Diamond specifications and retailer prices

From HK$871 HKD
$111 USD
As of October 27, 2026
Save HK$6,298 HKD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,955 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787649830 or 787649830. Listed at 18 retailers as of October 27, 2026, with a 723% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787649830
Dimensions5.63 × 3.80 × 2.36 mm
L/W Ratio1.48
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
5.63 mm3.80 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG787649830
Side View
Table 61.0%Crown 33.8°Girdle: MediumPavilion 34.9°Culet: LargeDepth 62.1%

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 27
Current: HK$9,955 HKD|Low: HK$965 HKD|High: HK$10,214 HKD|Avg: HK$4,048 HKD|-2.4%
MOH London
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 29, 2026
Retailer 11HK$965 HKD
Retailer 7HK$1,012 HKD
Retailer 3HK$1,609 HKD
Retailer 9HK$1,648 HKD
Retailer 6HK$2,151 HKD
Retailer 2HK$2,457 HKD
Retailer 12HK$2,880 HKD
Retailer 8HK$2,887 HKD
Retailer 4HK$5,205 HKD
Retailer 5HK$6,218 HKD
Retailer 13HK$7,169 HKD
Retailer 10HK$9,730 HKD
MOH LondonHK$9,955 HKD

40 data points across 13 retailers

18 retailersHK$871 HKD to HK$7,169 HKD

A
Cheapest Retailer
-
HK$871 HKD
$111 USD
A
Retailer 2
-
HK$965 HKD
$123 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,012 HKD
$129 USD
View
A
Retailer 4
-
HK$1,146 HKD
$146 USD
View
A
Retailer 5
-
HK$1,146 HKD
$146 USD
View
A
Retailer 6
-
HK$1,609 HKD
$205 USD
View
A
Retailer 7
-
HK$1,648 HKD
$210 USD
View
B+
Retailer 8
-
HK$2,151 HKD
ZAR 4,429 ZAR
View
B+
Retailer 9
-
HK$2,457 HKD
£247 GBP
View
B
Retailer 10
-
HK$2,660 HKD
$339 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
HK$2,880 HKD
$367 USD
View
B
Retailer 12
-
HK$2,887 HKD
$368 USD
View
B
Retailer 13
-
HK$3,829 HKD
$488 USD
View
B
Retailer 14
-
HK$5,205 HKD
$663 USD
View
B
Retailer 15
-
HK$6,218 HKD
£624 GBP
View
B
Retailer 16
-
HK$7,169 HKD
$914 USD
View
B
Retailer 17
-
HK$9,730 HKD
$1,240 USD
View
Price under review
Most Expensive
B
MOH London
LG787649830 · Oct 26
HK$9,955 HKD
£999 GBP
View
Price under review
17 more retailers have this diamond
Prices start from HK$871 HKDSave up to HK$6,298 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
0.51ct Emerald
HK$871 HKD