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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG629487592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629487592

Diamond specifications and retailer prices

From $479 USD
As of October 30, 2026
Save $2,366 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,980 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG629487592 or 629487592. Listed at 24 retailers as of October 27, 2026, with a 494% 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629487592
Dimensions7.27 × 7.81 × 4.59 mm
L/W Ratio1.07
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
7.27 mm7.81 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629487592
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.8%

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: $3,980 USD|Low: $459 USD|High: $3,980 USD|Avg: $1,238 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
October 30, 2026
Retailer 15$479 USD
Retailer 14$535 USD
Retailer 6$536 USD
Retailer 3$593 USD
Retailer 7$593 USD
Retailer 2$629 USD
Retailer 12$735 USD
Retailer 8$985 USD
Retailer 9$1,001 USD
Retailer 11$1,020 USD
Retailer 13$1,383 USD
Retailer 5$1,908 USD
Retailer 10$2,192 USD
Retailer 4$2,220 USD
Brilliant Earth$3,980 USD

34 data points across 15 retailers

24 retailers$479 USD to $2,845 USD

A
Cheapest Retailer
-
$479 USD
A
Retailer 2
-
$535 USD
View
Final sale: no returns
A
Retailer 3
-
$536 USD
View
Retailer 4
-
$593 USD
View
Price last confirmed 14 days ago
A
Retailer 5
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$593 USD
View
A
Retailer 6
-
$629 USD
£496 GBP
View
A
Retailer 7
-
$653 USD
HK$5,100 HKD
View
A
Retailer 8
-
$735 USD
View
A
Retailer 9
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$795 USD
View
A
Retailer 10
-
$827 USD
View
A
Retailer 11
-
$985 USD
£776 GBP
View
A
Retailer 12
-
$1,001 USD
€953 EUR
View
A
Retailer 13
-
$1,020 USD
ZAR 16,476 ZAR
View
A
Retailer 14
-
$1,059 USD
View
B+
Retailer 15
-
$1,383 USD
View
B+
Retailer 16
-
$1,884 USD
SGD 2,546 SGD
View
B+
Retailer 17
-
$1,908 USD
View
B+
Retailer 18
-
$1,936 USD
View
B
Retailer 19
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$2,083 USD
View
B+
Retailer 20
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$2,192 USD
£1,726 GBP
View
B
Retailer 21
-
$2,220 USD
View
B
Retailer 22
-
$2,586 USD
View
B
Retailer 23
-
$2,845 USD
£2,240 GBP
View
Most Expensive
Brilliant Earth
14264918A · Oct 16
$3,980 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from $479 USDSave up to $2,366 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
$479 USD