Heart|Lab Grown|IGI

1.20ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG834614894

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834614894

Diamond specifications and retailer prices

From $297 USD
As of October 27, 2026
Save $2,013 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,310 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.2ct lab-grown heart diamond

This 1.2ct 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 LG834614894 or 834614894. Listed at 20 retailers as of October 27, 2026, with prices from $297 to $2,310, a $2,013 spread on the same certified stone. Brilliant Earth lists it at $2,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834614894
Dimensions6.38 × 7.38 × 4.35 mm
L/W Ratio1.16
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
6.38 mm7.38 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834614894
Side View
Table 65.0%Crown 39.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.9%

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 27
Current: $2,310 USD|Low: $285 USD|High: $2,310 USD|Avg: $842 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 3$297 USD
Retailer 19$345 USD
Retailer 12$368 USD
Retailer 20$368 USD
Retailer 13$392 USD
Retailer 8$406 USD
Retailer 17$525 USD
Retailer 7$604 USD
Retailer 15$633 USD
Retailer 16$649 USD
Retailer 6$691 USD
Retailer 10$791 USD
Retailer 14$899 USD
Retailer 18$1,132 USD
Retailer 4$1,184 USD
Retailer 11$1,232 USD
Retailer 5$1,237 USD
Retailer 2$1,485 USD
Retailer 9$1,504 USD
Brilliant Earth$2,310 USD

30 data points across 20 retailers

20 retailers$297 USD to $2,310 USD

A
Cheapest Retailer
-
$297 USD
A
Retailer 2
-
$345 USD
View
A
Retailer 3
-
$368 USD
View
A
Retailer 4
-
$368 USD
View
A
Retailer 5
-
$392 USD
£309 GBP
View
A
Retailer 6
-
$406 USD
View
Final sale: no returns
A
Retailer 7
-
$525 USD
View
A
Retailer 8
-
$604 USD
View
A
Retailer 9
-
$633 USD
ZAR 10,227 ZAR
View
A
Retailer 10
-
$649 USD
£511 GBP
View
A
Retailer 11
-
$691 USD
View
B+
Retailer 12
-
$791 USD
View
B+
Retailer 13
-
$899 USD
A$1,383 AUD
View
B+
Retailer 14
-
$1,132 USD
View
B+
Retailer 15
-
$1,184 USD
View
B+
Retailer 16
-
$1,232 USD
View
B
Retailer 17
-
$1,237 USD
A$1,903 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$1,485 USD
£1,169 GBP
View
B+
Retailer 19
-
$1,504 USD
View
Most Expensive
B
Brilliant Earth
21696587A · Oct 28
$2,310 USD
View
19 more retailers have this diamond
Prices start from $297 USDSave up to $2,013 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
1.20ct Heart
$297 USD