Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG729508350

Shape and cutting style on the report: Emerald cut

Certificate IGI LG729508350

Diamond specifications and retailer prices

From $246 USD
As of October 30, 2026
Save $2,484 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,730 USD at Brilliant Earth · As of October 30, 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 LG729508350 or 729508350. Listed at 14 retailers as of October 30, 2026, with prices from $246 to $2,730, a $2,484 spread on the same certified stone. Brilliant Earth lists it at $2,730. 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 angle32.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729508350
Dimensions7.92 × 5.49 × 3.63 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.49 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729508350
Side View
Table 58.0%Crown 32.8°Girdle: MediumPavilion 39.7°Culet: LargeDepth 66.1%

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: $2,730 USD|Low: $215 USD|High: $3,650 USD|Avg: $1,156 USD|-25.2%
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
October 30, 2026
Retailer 3$246 USD
Retailer 16$285 USD
Retailer 6$301 USD
Retailer 15$513 USD
Retailer 13$556 USD
Retailer 8$650 USD
Retailer 9$783 USD
Retailer 12$860 USD
Retailer 5$905 USD
Retailer 10$1,012 USD
Retailer 4$1,082 USD
Retailer 2$1,355 USD
Retailer 7$1,478 USD
Retailer 11$2,140 USD
Retailer 14$2,360 USD
Brilliant Earth$2,730 USD

30 data points across 16 retailers

14 retailers$246 USD to $2,730 USD

A
Cheapest Retailer
-
$246 USD
A
Retailer 2
-
$285 USD
View
A
Retailer 3
-
$301 USD
View
Final sale: no returns
A
Retailer 4
-
$513 USD
View
A
Retailer 5
-
$556 USD
View
A
Retailer 6
-
$783 USD
A$1,204 AUD
View
A
Retailer 7
-
$860 USD
View
A
Retailer 8
-
$1,012 USD
View
Retailer 9
-
$1,047 USD
View
Price last confirmed 44 days ago
B+
Retailer 10
-
$1,082 USD
View
B+
Retailer 11
-
$1,355 USD
£1,067 GBP
View
Retailer 12
-
$2,140 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,360 USD
View
Most Expensive
B
Brilliant Earth
21405886Y · Oct 30
$2,730 USD
View
13 more retailers have this diamond
Prices start from $246 USDSave up to $2,484 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
$246 USD