Emerald|Lab Grown|IGI

1.58ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG684509107

Shape and cutting style on the report: Emerald cut

Certificate IGI LG684509107

Diamond specifications and retailer prices

From $287 USD
As of October 30, 2026
Save $1,050 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,610 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.58ct lab-grown emerald diamond

This 1.58ct 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 LG684509107 or 684509107. Listed at 10 retailers as of October 29, 2026, with a 366% 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

1.58
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684509107
Dimensions7.81 × 7.81 × 5.53 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm7.81 mm1.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684509107
Side View
Table 65.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: LargeDepth 68.0%

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 30
Current: $3,610 USD|Low: $257 USD|High: $3,610 USD|Avg: $973 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
October 30, 2026
Retailer 8$287 USD
Retailer 6$321 USD
Retailer 13$332 USD
Retailer 2$586 USD
Retailer 4$627 USD
Retailer 11$772 USD
Retailer 12$1,067 USD
Retailer 9$1,203 USD
Retailer 7$1,323 USD
Retailer 10$1,337 USD
Retailer 3$1,370 USD
Retailer 5$1,417 USD
Brilliant Earth$3,610 USD

16 data points across 13 retailers

10 retailers$287 USD to $1,337 USD

A
Cheapest Retailer
-
$287 USD
A
Retailer 2
-
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$332 USD
View
A
Retailer 4
-
$586 USD
View
A
Retailer 5
-
$772 USD
A$1,187 AUD
View
B+
Retailer 6
-
$1,067 USD
View
B+
Retailer 7
-
$1,203 USD
View
B+
Retailer 8
-
$1,323 USD
A$2,035 AUD
View
B+
Retailer 9
-
$1,337 USD
£1,053 GBP
View
Most Expensive
Brilliant Earth
21605510A · Oct 16
$3,610 USD
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from $287 USDSave up to $1,050 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
1.58ct Emerald
$287 USD