Emerald|Lab Grown|IGI

1.58ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG831638773

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831638773

Diamond specifications and retailer prices

From $271 USD
As of October 30, 2026
Save $1,150 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,640 USD at Brilliant Earth · As of October 22, 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 LG831638773 or 831638773. Listed at 20 retailers as of October 30, 2026, with a 424% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831638773
Dimensions8.04 × 5.52 × 3.43 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.52 mm1.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831638773
Side View
Table 68.0%Crown 39.1°Girdle: MediumPavilion 38°Culet: LargeDepth 62.1%

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: $3,640 USD|Low: $304 USD|High: $3,640 USD|Avg: $922 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
October 30, 2026
Retailer 4$304 USD
Retailer 5$315 USD
Retailer 15$452 USD
Retailer 13$495 USD
Retailer 12$578 USD
Retailer 2$591 USD
Retailer 9$603 USD
Retailer 11$783 USD
Retailer 14$1,034 USD
Retailer 7$1,081 USD
Retailer 6$1,091 USD
Retailer 8$1,132 USD
Retailer 16$1,294 USD
Retailer 10$1,355 USD
Retailer 3$1,421 USD
Brilliant Earth$3,640 USD

41 data points across 16 retailers

20 retailers$271 USD to $1,421 USD

A
Cheapest Retailer
-
$271 USD
A
Retailer 2
-
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$315 USD
View
A
Retailer 4
-
$336 USD
View
A
Retailer 5
-
$336 USD
View
B+
Retailer 6
-
$452 USD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$578 USD
ZAR 9,338 ZAR
View
A
Retailer 9
-
$591 USD
£465 GBP
View
A
Retailer 10
-
$603 USD
€574 EUR
View
A
Retailer 11
-
$783 USD
A$1,204 AUD
View
B+
Retailer 12
-
$1,034 USD
View
B+
Retailer 13
-
$1,081 USD
View
B+
Retailer 14
-
$1,081 USD
SGD 1,461 SGD
View
B+
Retailer 15
-
$1,091 USD
View
B+
Retailer 16
-
$1,132 USD
View
B+
Retailer 17
-
$1,294 USD
View
B+
Retailer 18
-
$1,355 USD
£1,067 GBP
View
B+
Retailer 19
-
$1,421 USD
View
Most Expensive
Brilliant Earth
21450206A · Oct 22
$3,640 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $271 USDSave up to $1,150 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
$271 USD