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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG774656019

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774656019

Diamond specifications and retailer prices

From $820 USD
As of October 30, 2026
Save $3,729 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,549 USD at With Clarity · As of October 31, 2026
View at With Clarity

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG774656019 or 774656019. Listed at 23 retailers as of October 30, 2026, with prices from $820 to $4,549, a $3,729 spread on the same certified stone. With Clarity lists it at $4,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774656019
Dimensions6.71 × 7.89 × 4.80 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm7.89 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774656019
Side View
Table 60.0%Crown 36.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 60.8%

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 30
Current: $1,076 USD|Low: $788 USD|High: $3,611 USD|Avg: $1,832 USD|-1.3%
Retailer 1
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
November 1, 2026
Retailer 6$820 USD
Retailer 9$893 USD
Retailer 3$918 USD
Retailer 7$952 USD
Retailer 10$952 USD
Retailer 1$1,076 USD
Retailer 17$1,130 USD
Retailer 18$1,362 USD
Retailer 16$1,396 USD
Retailer 11$1,461 USD
Retailer 15$1,749 USD
Retailer 14$1,944 USD
Retailer 12$2,369 USD
Retailer 8$2,676 USD
Retailer 5$2,978 USD
Retailer 4$3,173 USD
Retailer 13$3,489 USD
Retailer 2$3,586 USD

37 data points across 18 retailers

23 retailers$820 USD to $4,549 USD

A
Cheapest Retailer
-
$820 USD
A
Retailer 2
-
$893 USD
View
A
Retailer 3
-
$918 USD
View
Final sale: no returns
A
Retailer 4
-
$952 USD
View
Retailer 5
-
$952 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,076 USD
£847 GBP
View
A
Retailer 7
-
$1,130 USD
View
B+
Retailer 8
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$1,175 USD
View
B+
Retailer 9
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$1,259 USD
View
B+
Retailer 10
-
$1,362 USD
View
B+
Retailer 11
-
$1,396 USD
A$2,148 AUD
View
B+
Retailer 12
-
$1,461 USD
£1,151 GBP
View
B+
Retailer 13
-
$1,749 USD
ZAR 28,261 ZAR
View
B+
Retailer 14
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$1,944 USD
View
B
Retailer 15
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$2,310 USD
View
B
Retailer 16
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$2,369 USD
A$3,645 AUD
View
B
Retailer 17
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$2,676 USD
View
B
Retailer 18
-
$2,978 USD
View
B
Retailer 19
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$3,173 USD
View
B
Retailer 20
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$3,295 USD
View
B
Retailer 21
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$3,489 USD
A$5,368 AUD
View
Retailer 22
-
$3,586 USD
£2,824 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
With Clarity
774656019 · Oct 31
$4,549 USD
View
22 more retailers have this diamond
Prices start from $820 USDSave up to $3,729 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
$820 USD