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 $268 USD
As of October 30, 2026
Save $3,120 USD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,540 USD 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 30, 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
Color
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 30
Current: $3,540 USD|Low: $260 USD|High: $3,540 USD|Avg: $907 USD
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 31, 2026
Retailer 17$268 USD
Retailer 7$300 USD
Retailer 16$311 USD
Retailer 8$333 USD
Retailer 9$333 USD
Retailer 6$446 USD
Retailer 15$490 USD
Retailer 14$631 USD
Retailer 2$651 USD
Retailer 18$671 USD
Retailer 5$827 USD
Retailer 13$854 USD
Retailer 3$946 USD
Retailer 10$1,181 USD
Retailer 11$1,280 USD
Retailer 4$1,346 USD
Retailer 12$1,481 USD
Retailer 19$2,380 USD
Brilliant Earth$3,540 USD

35 data points across 19 retailers

21 retailers$268 USD to $3,388 USD

A
Cheapest Retailer
-
$268 USD
A
Retailer 2
-
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$311 USD
View
A
Retailer 4
-
$333 USD
View
A
Retailer 5
-
$333 USD
View
B+
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$631 USD
ZAR 10,200 ZAR
View
A
Retailer 9
-
$651 USD
£513 GBP
View
A
Retailer 10
-
$671 USD
View
A
Retailer 11
-
$827 USD
View
A
Retailer 12
-
$854 USD
A$1,314 AUD
View
A
Retailer 13
-
$946 USD
View
B+
Retailer 14
-
$1,181 USD
View
B+
Retailer 15
-
$1,280 USD
View
B+
Retailer 16
-
$1,346 USD
View
B+
Retailer 17
-
$1,481 USD
£1,166 GBP
View
B
Retailer 18
-
$2,380 USD
View
B
Retailer 19
-
$2,910 USD
View
B
Retailer 20
-
$3,388 USD
View
Most Expensive
Brilliant Earth
14384852Y · Oct 16
$3,540 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from $268 USDSave up to $3,120 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
$268 USD