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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG621447147

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621447147

Diamond specifications and retailer prices

From $381 AUD
$268 USD
As of October 27, 2026
Save $4,441 AUD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,039 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621447147 or 621447147. Listed at 21 retailers as of October 27, 2026, with a 1164% 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

1.55
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621447147
Dimensions7.69 × 5.47 × 3.67 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
7.69 mm5.47 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621447147
Side View
Table 65.0%Crown 33.9°Girdle: THN-MEDPavilion 39.9°Culet: LargeDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $5,039 AUD|Low: $370 AUD|High: $5,039 AUD|Avg: $1,294 AUD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 17$381 AUD
Retailer 7$427 AUD
Retailer 16$443 AUD
Retailer 8$474 AUD
Retailer 9$474 AUD
Retailer 6$635 AUD
Retailer 15$697 AUD
Retailer 14$899 AUD
Retailer 2$924 AUD
Retailer 18$955 AUD
Retailer 5$1,177 AUD
Retailer 13$1,216 AUD
Retailer 3$1,347 AUD
Retailer 10$1,681 AUD
Retailer 11$1,822 AUD
Retailer 4$1,916 AUD
Retailer 12$2,108 AUD
Retailer 19$3,388 AUD
Brilliant Earth$5,039 AUD

34 data points across 19 retailers

21 retailers$381 AUD to $4,822 AUD

A
Cheapest Retailer
-
$381 AUD
$268 USD
A
Retailer 2
-
$427 AUD
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$443 AUD
$311 USD
View
A
Retailer 4
-
$474 AUD
$333 USD
View
A
Retailer 5
-
$474 AUD
$333 USD
View
B+
Retailer 6
-
$635 AUD
$446 USD
View
A
Retailer 7
-
$697 AUD
$490 USD
View
A
Retailer 8
-
$899 AUD
ZAR 10,200 ZAR
View
A
Retailer 9
-
$924 AUD
£511 GBP
View
A
Retailer 10
-
$955 AUD
$671 USD
View
A
Retailer 11
-
$1,177 AUD
$827 USD
View
A
Retailer 12
-
$1,216 AUD
View
A
Retailer 13
-
$1,347 AUD
$946 USD
View
B+
Retailer 14
-
$1,681 AUD
$1,181 USD
View
B+
Retailer 15
-
$1,822 AUD
$1,280 USD
View
B+
Retailer 16
-
$1,916 AUD
$1,346 USD
View
B+
Retailer 17
-
$2,108 AUD
£1,166 GBP
View
B
Retailer 18
-
$3,388 AUD
$2,380 USD
View
B
Retailer 19
-
$4,142 AUD
$2,910 USD
View
B
Retailer 20
-
$4,822 AUD
$3,388 USD
View
Most Expensive
B
Brilliant Earth
14384852Y · Oct 16
$5,039 AUD
$3,540 USD
View
Price last confirmed 13 days ago
20 more retailers have this diamond
Prices start from $381 AUDSave up to $4,441 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
1.55ct Emerald
$381 AUD