CaratHunter
Plans
Heart|Lab Grown|IGI

1.58ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG674535774

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG674535774

Diamond specifications and retailer prices

From $325 USD
As of October 29, 2026
Save $2,685 USD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,010 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart 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 LG674535774 or 674535774. Listed at 8 retailers as of October 29, 2026, with prices from $325 to $3,010, a $2,685 spread on the same certified stone. Brilliant Earth lists it at $3,010. 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 angle35.9°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674535774
Dimensions8.26 × 7.13 × 4.81 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
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
8.26 mm7.13 mm1.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674535774
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 58.2%

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 29
Current: $3,010 USD|Low: $237 USD|High: $3,100 USD|Avg: $1,133 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$325 USD
Retailer 4$550 USD
Retailer 2$635 USD
Retailer 6$1,157 USD
Retailer 7$1,228 USD
Retailer 3$1,450 USD
Brilliant Earth$3,010 USD

43 data points across 7 retailers

8 retailers$325 USD to $3,010 USD

A
Cheapest Retailer
-
$325 USD
Final sale: no returns
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$635 USD
£500 GBP
View
A
Retailer 4
-
$1,134 USD
View
A
Retailer 5
-
$1,157 USD
SGD 1,564 SGD
View
B+
Retailer 6
-
$1,228 USD
View
B+
Retailer 7
-
$1,450 USD
£1,142 GBP
View
Most Expensive
B
Brilliant Earth
15002048A · Oct 28
$3,010 USD
View
7 more retailers have this diamond
Prices start from $325 USDSave up to $2,685 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 Heart
$325 USD