Emerald|Lab Grown|IGI

0.51ct E FL Emerald Lab Grown Diamond

VG • E/FL • IGI LG786676866

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786676866

Diamond specifications and retailer prices

From $198 AUD
$139 USD
As of October 27, 2026
Save $948 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,236 AUD at Flawless Fine Jewelry · As of September 22, 2026
View at Flawless Fine Jewelry

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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG786676866 or 786676866. Listed at 19 retailers as of October 27, 2026, with a 479% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786676866
Dimensions5.59 × 3.74 × 2.56 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.59 mm3.74 mm0.51 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786676866
Side View
Table 74.0%Crown 40.8°Girdle: MED-STKPavilion 43.3°Culet: LargeDepth 68.4%

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: $863 AUD|Low: $198 AUD|High: $1,179 AUD|Avg: $563 AUD|+3.6%
Retailer 1
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
October 29, 2026
Retailer 7$198 AUD
Retailer 16$219 AUD
Retailer 5$229 AUD
Retailer 12$243 AUD
Retailer 3$245 AUD
Retailer 18$330 AUD
Retailer 11$416 AUD
Retailer 2$421 AUD
Retailer 15$442 AUD
Retailer 9$471 AUD
Retailer 8$673 AUD
Retailer 6$675 AUD
Retailer 14$769 AUD
Retailer 4$789 AUD
Retailer 17$833 AUD
Retailer 1$863 AUD
Retailer 10$897 AUD
Retailer 13$1,146 AUD

29 data points across 18 retailers

19 retailers$198 AUD to $1,146 AUD

A
Cheapest Retailer
-
$198 AUD
$139 USD
A
Retailer 2
-
$219 AUD
$154 USD
View
Final sale: no returns
A
Retailer 3
-
$229 AUD
$161 USD
View
A
Retailer 4
-
$243 AUD
$171 USD
View
A
Retailer 5
-
$245 AUD
$172 USD
View
A
Retailer 6
-
$330 AUD
$232 USD
View
A
Retailer 7
-
$416 AUD
£230 GBP
View
A
Retailer 8
-
$421 AUD
€282 EUR
View
A
Retailer 9
-
$442 AUD
ZAR 5,015 ZAR
View
A
Retailer 10
-
$471 AUD
$331 USD
View
B+
Retailer 11
-
$673 AUD
$473 USD
View
B+
Retailer 12
-
$675 AUD
SGD 641 SGD
View
B
Retailer 13
-
$769 AUD
$540 USD
View
B
Retailer 14
-
$789 AUD
$554 USD
View
B
Retailer 15
-
$833 AUD
$585 USD
View
B
Retailer 16
-
$863 AUD
$606 USD
View
B
Retailer 17
-
$897 AUD
$630 USD
View
B
Retailer 18
-
$1,146 AUD
£634 GBP
View
Most Expensive
B
Flawless Fine Jewelry
78EE227EA · Sep 22
$1,236 AUD
£684 GBP
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $198 AUDSave up to $948 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
$198 AUD