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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG831621335

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831621335

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 27, 2026
Save $4,501 AUD (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,854 AUD at Brilliant Earth · As of October 29, 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 LG831621335 or 831621335. Listed at 13 retailers as of October 27, 2026, with prices from $353 to $4,854, a $4,501 spread on the same certified stone. Brilliant Earth lists it at $4,854. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621335
Dimensions7.63 × 5.58 × 3.54 mm
L/W Ratio1.37
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm5.58 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621335
Side View
Table 65.0%Crown 33.9°Girdle: Slightly ThickPavilion 37.1°Culet: LargeDepth 63.4%

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: $4,854 AUD|Low: $353 AUD|High: $5,067 AUD|Avg: $1,540 AUD|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$353 AUD
Retailer 8$712 AUD
Retailer 4$733 AUD
Retailer 7$849 AUD
Retailer 5$1,021 AUD
Retailer 9$1,214 AUD
Retailer 3$1,406 AUD
Retailer 2$1,763 AUD
Retailer 10$3,167 AUD
Brilliant Earth$4,854 AUD

27 data points across 10 retailers

13 retailers$353 AUD to $4,854 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
A
Retailer 2
-
$400 AUD
$281 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$464 AUD
$326 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$712 AUD
$500 USD
View
A
Retailer 5
-
$733 AUD
$515 USD
View
A
Retailer 6
-
$849 AUD
€568 EUR
View
A
Retailer 7
-
$1,021 AUD
View
A
Retailer 8
-
$1,214 AUD
$853 USD
View
A
Retailer 9
-
$1,406 AUD
$988 USD
View
B+
Retailer 10
-
$1,593 AUD
$1,119 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$1,763 AUD
£975 GBP
View
B
Retailer 12
-
$3,167 AUD
$2,225 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21497275A · Oct 29
$4,854 AUD
$3,410 USD
View
12 more retailers have this diamond
Prices start from $353 AUDSave up to $4,501 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
$353 AUD