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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG685557009

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG685557009

Diamond specifications and retailer prices

From $648 USD
As of October 28, 2026
Save $1,041 USD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,352 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.5ct lab-grown heart diamond

This 1.5ct 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 LG685557009 or 685557009. Listed at 8 retailers as of October 27, 2026, with a 161% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685557009
Dimensions6.92 × 7.59 × 6.92 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
6.92 mm7.59 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685557009
Side View
Table 61.0%Crown 41.2°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.2%

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: $2,352 USD|Low: $609 USD|High: $3,050 USD|Avg: $1,372 USD|-0.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$616 USD
Retailer 5$648 USD
Retailer 6$657 USD
Retailer 2$712 USD
Retailer 9$1,012 USD
Retailer 8$1,330 USD
Retailer 3$1,604 USD
Retailer 10$1,655 USD
Novita Diamonds$2,352 USD
Retailer 7$3,050 USD

43 data points across 10 retailers

8 retailers$648 USD to $1,689 USD

A
Cheapest Retailer
-
$648 USD
A
Retailer 2
-
$657 USD
View
A
Retailer 3
-
$712 USD
£561 GBP
View
A
Retailer 4
-
$1,012 USD
View
B+
Retailer 5
-
$1,330 USD
View
B+
Retailer 6
-
$1,604 USD
£1,263 GBP
View
B+
Retailer 7
-
$1,689 USD
View
Most Expensive
Novita Diamonds
cert_685557009 · Oct 8
$2,352 USD
A$3,619 AUD
View
Price last confirmed 22 days ago
7 more retailers have this diamond
Prices start from $648 USDSave up to $1,041 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
1.50ct Heart
$648 USD