CaratHunter
Plans
Heart|Lab Grown|IGI

1.58ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG526266743

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG526266743

Diamond specifications and retailer prices

From $322 USD
As of November 1, 2026
Save $1,748 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,070 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526266743 or 526266743. Listed at 9 retailers as of October 31, 2026, with prices from $322 to $2,070, a $1,748 spread on the same certified stone. Do Amore Diamonds lists it at $2,070. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526266743
Dimensions7.20 × 7.95 × 4.86 mm
L/W Ratio1.10
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
7.20 mm7.95 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526266743
Side View
Table 62.5%Crown 41.6°Girdle: MED-STKPavilion 44°Culet: NoneDepth 61.1%

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: Nov 1
Current: $2,070 USD|Low: $179 USD|High: $2,070 USD|Avg: $710 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$179 USD
Retailer 10$322 USD
Retailer 11$359 USD
Retailer 8$389 USD
Retailer 12$395 USD
Retailer 3$445 USD
Retailer 6$473 USD
Retailer 9$612 USD
Retailer 5$619 USD
Retailer 7$862 USD
Retailer 2$1,182 USD
Retailer 4$1,358 USD
Do Amore Diamonds$2,070 USD

16 data points across 13 retailers

9 retailers$322 USD to $2,070 USD

A
Cheapest Retailer
-
$322 USD
B+
Retailer 2
-
$359 USD
View
A
Retailer 3
-
$389 USD
View
A
Retailer 4
-
$395 USD
View
A
Retailer 5
-
$473 USD
€450 EUR
View
B+
Retailer 6
-
$612 USD
View
B
Retailer 7
-
$862 USD
View
B
Retailer 8
-
$1,182 USD
£931 GBP
View
Most Expensive
B
Do Amore Diamonds
27-300243FD5 · Oct 31
$2,070 USD
View
8 more retailers have this diamond
Prices start from $322 USDSave up to $1,748 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
$322 USD