CaratHunter
Plans
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 $158 AUD
$111 USD
As of October 27, 2026
Save $1,143 AUD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,806 AUD 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: $1,806 AUD|Low: $175 AUD|High: $1,853 AUD|Avg: $734 AUD|-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 11$175 AUD
Retailer 7$184 AUD
Retailer 3$292 AUD
Retailer 9$299 AUD
Retailer 6$390 AUD
Retailer 2$446 AUD
Retailer 12$522 AUD
Retailer 8$524 AUD
Retailer 4$944 AUD
Retailer 5$1,128 AUD
Retailer 13$1,301 AUD
Retailer 10$1,765 AUD
MOH London$1,806 AUD

40 data points across 13 retailers

18 retailers$158 AUD to $1,301 AUD

A
Cheapest Retailer
-
$158 AUD
$111 USD
A
Retailer 2
-
$175 AUD
$123 USD
View
Final sale: no returns
A
Retailer 3
-
$184 AUD
$129 USD
View
A
Retailer 4
-
$208 AUD
$146 USD
View
A
Retailer 5
-
$208 AUD
$146 USD
View
A
Retailer 6
-
$292 AUD
$205 USD
View
A
Retailer 7
-
$299 AUD
$210 USD
View
B+
Retailer 8
-
$390 AUD
ZAR 4,429 ZAR
View
B+
Retailer 9
-
$446 AUD
£247 GBP
View
B
Retailer 10
-
$483 AUD
$339 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$522 AUD
$367 USD
View
B
Retailer 12
-
$524 AUD
$368 USD
View
B
Retailer 13
-
$695 AUD
$488 USD
View
B
Retailer 14
-
$944 AUD
$663 USD
View
B
Retailer 15
-
$1,128 AUD
£624 GBP
View
B
Retailer 16
-
$1,301 AUD
$914 USD
View
B
Retailer 17
-
$1,765 AUD
$1,240 USD
View
Price under review
Most Expensive
B
MOH London
LG787649830 · Oct 26
$1,806 AUD
£999 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $158 AUDSave up to $1,143 AUD

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
$158 AUD