Heart|Lab Grown|IGI

1.01ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG818657414

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818657414

Diamond specifications and retailer prices

From $512 USD
€488 EUR
As of October 29, 2026
Save $828 USD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,340 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818657414 or 818657414. Listed at 8 retailers as of October 28, 2026, with prices from $512 to $1,340, a $828 spread on the same certified stone. Brilliant Earth lists it at $1,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657414
Dimensions6.75 × 6.08 × 3.90 mm
L/W Ratio1.11
Girdle conditionFaceted
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
6.75 mm6.08 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657414
Side View
Table 70.0%Crown 37.9°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 57.8%

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 29
Current: $1,340 USD|Low: $468 USD|High: $1,380 USD|Avg: $853 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$512 USD
Retailer 6$526 USD
Retailer 7$580 USD
Retailer 2$599 USD
Retailer 4$1,044 USD
Retailer 8$1,062 USD
Retailer 5$1,261 USD
Brilliant Earth$1,340 USD

43 data points across 8 retailers

8 retailers$512 USD to $1,340 USD

A
Cheapest Retailer
-
$512 USD
€488 EUR
A
Retailer 2
-
$526 USD
View
B+
Retailer 3
-
$580 USD
View
B+
Retailer 4
-
$599 USD
£472 GBP
View
B
Retailer 5
-
$1,044 USD
A$1,606 AUD
View
B
Retailer 6
-
$1,062 USD
View
B
Retailer 7
-
$1,261 USD
£993 GBP
View
Most Expensive
B
Brilliant Earth
20989369A · Oct 28
$1,340 USD
View
7 more retailers have this diamond
Prices start from $512 USDSave up to $828 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
1.01ct Heart
$512 USD