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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

EX • E/FL • IGI LG780663551

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780663551

Diamond specifications and retailer prices

From $929 AUD
HK$5,100 HKD
As of October 30, 2026
Save $3,769 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,698 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663551 or 780663551. Listed at 13 retailers as of October 30, 2026, with prices from $929 to $4,698, a $3,769 spread on the same certified stone. Brilliant Earth lists it at $4,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663551
Dimensions7.61 × 5.38 × 3.65 mm
L/W Ratio1.41
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
7.61 mm5.38 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663551
Side View
Table 62.0%Crown 32.8°Girdle: Slightly ThickPavilion 40.2°Culet: LargeDepth 67.8%

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 30
Current: $4,698 AUD|Low: $527 AUD|High: $5,438 AUD|Avg: $1,969 AUD|-13.6%
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
October 30, 2026
Retailer 6$527 AUD
Retailer 10$929 AUD
Retailer 4$1,146 AUD
Retailer 12$1,147 AUD
Retailer 7$1,251 AUD
Retailer 2$1,343 AUD
Retailer 8$1,393 AUD
Retailer 3$1,526 AUD
Retailer 14$1,892 AUD
Retailer 13$2,650 AUD
Retailer 5$2,795 AUD
Retailer 9$2,981 AUD
Retailer 11$3,034 AUD
Brilliant Earth$4,698 AUD

42 data points across 14 retailers

13 retailers$929 AUD to $4,698 AUD

A
Cheapest Retailer
-
$929 AUD
HK$5,100 HKD
A
Retailer 2
-
$1,146 AUD
$805 USD
View
A
Retailer 3
-
$1,147 AUD
$806 USD
View
A
Retailer 4
-
$1,251 AUD
€837 EUR
View
A
Retailer 5
-
$1,343 AUD
£743 GBP
View
A
Retailer 6
-
$1,393 AUD
ZAR 15,810 ZAR
View
B+
Retailer 7
-
$1,526 AUD
$1,072 USD
View
B+
Retailer 8
-
$1,892 AUD
$1,329 USD
View
B
Retailer 9
-
$2,650 AUD
$1,862 USD
View
B
Retailer 10
-
$2,795 AUD
$1,963 USD
View
B
Retailer 11
-
$2,981 AUD
£1,649 GBP
View
B
Retailer 12
-
$3,034 AUD
$2,131 USD
View
Most Expensive
B
Brilliant Earth
19088160A · Oct 30
$4,698 AUD
$3,300 USD
View
12 more retailers have this diamond
Prices start from $929 AUDSave up to $3,769 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
1.51ct Emerald
$929 AUD