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 $248 USD
As of October 27, 2026
Save $3,162 USD (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,410 USD at Brilliant Earth · As of October 28, 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 $248 to $3,410, a $3,162 spread on the same certified stone. Brilliant Earth lists it at $3,410. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,410 USD|Low: $248 USD|High: $3,560 USD|Avg: $1,082 USD|-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$248 USD
Retailer 8$500 USD
Retailer 4$515 USD
Retailer 7$596 USD
Retailer 5$717 USD
Retailer 9$853 USD
Retailer 3$988 USD
Retailer 2$1,238 USD
Retailer 10$2,225 USD
Brilliant Earth$3,410 USD

27 data points across 10 retailers

13 retailers$248 USD to $3,410 USD

A
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$281 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$326 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$500 USD
View
A
Retailer 5
-
$515 USD
View
A
Retailer 6
-
$596 USD
€568 EUR
View
A
Retailer 7
-
$717 USD
A$1,103 AUD
View
A
Retailer 8
-
$853 USD
View
A
Retailer 9
-
$988 USD
View
B+
Retailer 10
-
$1,119 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$1,238 USD
£975 GBP
View
B
Retailer 12
-
$2,225 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21497275A · Oct 28
$3,410 USD
View
12 more retailers have this diamond
Prices start from $248 USDSave up to $3,162 USD

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
$248 USD