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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG791632659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791632659

Diamond specifications and retailer prices

From $242 USD
As of October 30, 2026
Save $1,238 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,480 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct 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 LG791632659 or 791632659. Listed at 19 retailers as of October 28, 2026, with prices from $242 to $1,480, a $1,238 spread on the same certified stone. Brilliant Earth lists it at $1,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791632659
Dimensions6.23 × 7.09 × 4.12 mm
L/W Ratio1.14
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
6.23 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791632659
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.1%

Caratlytics Score

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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 30
Current: $1,480 USD|Low: $191 USD|High: $1,700 USD|Avg: $727 USD|-12.9%
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
October 30, 2026
Retailer 4$242 USD
Retailer 6$299 USD
Retailer 12$380 USD
Retailer 8$462 USD
Retailer 2$498 USD
Retailer 14$580 USD
Retailer 13$581 USD
Retailer 11$646 USD
Retailer 9$657 USD
Retailer 10$868 USD
Retailer 3$918 USD
Retailer 7$1,083 USD
Retailer 5$1,248 USD
Brilliant Earth$1,480 USD

38 data points across 14 retailers

19 retailers$242 USD to $1,480 USD

Retailer 1
-
$217 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$242 USD
View
Final sale: no returns
Retailer 3
-
$267 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$269 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$269 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$295 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$380 USD
View
A
Retailer 8
-
$462 USD
ZAR 7,466 ZAR
View
A
Retailer 9
-
$498 USD
£392 GBP
View
A
Retailer 10
-
$580 USD
View
A
Retailer 11
-
$581 USD
View
B+
Retailer 12
-
$646 USD
View
B+
Retailer 13
-
$657 USD
A$1,011 AUD
View
Retailer 14
-
$865 USD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
$868 USD
View
B+
Retailer 16
-
$918 USD
View
B+
Retailer 17
-
$1,083 USD
£853 GBP
View
B
Retailer 18
-
$1,248 USD
View
Most Expensive
B
Brilliant Earth
18984687A · Oct 28
$1,480 USD
View
18 more retailers have this diamond
Prices start from $242 USDSave up to $1,238 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
1.09ct Heart
$242 USD