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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564049

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564049

Diamond specifications and retailer prices

From $337 USD
As of October 28, 2026
Save $2,623 USD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,960 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG722564049 or 722564049. Listed at 8 retailers as of October 28, 2026, with prices from $337 to $2,960, a $2,623 spread on the same certified stone. Brilliant Earth lists it at $2,960. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564049
Dimensions8.02 × 6.93 × 4.75 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
8.02 mm6.93 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564049
Side View
Table 60.0%Crown 35.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.2%

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 28
Current: $2,960 USD|Low: $337 USD|High: $3,050 USD|Avg: $1,290 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$337 USD
Retailer 5$570 USD
Retailer 2$663 USD
Retailer 8$1,100 USD
Retailer 7$1,198 USD
Retailer 4$1,292 USD
Retailer 3$1,507 USD
Brilliant Earth$2,960 USD

42 data points across 8 retailers

8 retailers$337 USD to $2,960 USD

A
Cheapest Retailer
-
$337 USD
Final sale: no returns
A
Retailer 2
-
$570 USD
View
A
Retailer 3
-
$663 USD
£522 GBP
View
A
Retailer 4
-
$1,100 USD
View
A
Retailer 5
-
$1,198 USD
SGD 1,619 SGD
View
B+
Retailer 6
-
$1,292 USD
View
B+
Retailer 7
-
$1,507 USD
£1,187 GBP
View
Most Expensive
B
Brilliant Earth
15964493A · Oct 28
$2,960 USD
View
7 more retailers have this diamond
Prices start from $337 USDSave up to $2,623 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
1.55ct Heart
$337 USD