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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG769629117

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG769629117

Diamond specifications and retailer prices

From $384 USD
As of October 30, 2026
Save $3,026 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,410 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG769629117 or 769629117. Listed at 21 retailers as of October 30, 2026, with prices from $384 to $3,410, a $3,026 spread on the same certified stone. Do Amore Diamonds lists it at $3,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769629117
Dimensions6.83 × 7.86 × 4.69 mm
L/W Ratio1.15
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
6.83 mm7.86 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769629117
Side View
Table 58.0%Crown 38.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 59.7%

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: $3,410 USD|Low: $368 USD|High: $3,410 USD|Avg: $1,180 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$384 USD
Retailer 9$428 USD
Retailer 20$430 USD
Retailer 3$476 USD
Retailer 6$476 USD
Retailer 17$625 USD
Retailer 18$653 USD
Retailer 4$720 USD
Retailer 11$757 USD
Retailer 8$808 USD
Retailer 13$865 USD
Retailer 2$905 USD
Retailer 15$1,223 USD
Retailer 19$1,334 USD
Retailer 12$1,687 USD
Retailer 5$1,771 USD
Retailer 7$1,779 USD
Retailer 14$1,839 USD
Retailer 10$1,872 USD
Retailer 16$1,938 USD
Do Amore Diamonds$3,410 USD

44 data points across 21 retailers

21 retailers$384 USD to $3,410 USD

A
Cheapest Retailer
-
$384 USD
A
Retailer 2
-
$428 USD
View
Final sale: no returns
A
Retailer 3
-
$430 USD
View
Retailer 4
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$476 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$476 USD
View
A
Retailer 6
-
$625 USD
View
A
Retailer 7
-
$653 USD
HK$5,100 HKD
View
A
Retailer 8
-
$720 USD
View
A
Retailer 9
-
$757 USD
View
A
Retailer 10
-
$808 USD
View
A
Retailer 11
-
$865 USD
£681 GBP
View
A
Retailer 12
-
$905 USD
ZAR 14,624 ZAR
View
B+
Retailer 13
-
$1,223 USD
A$1,881 AUD
View
B+
Retailer 14
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$1,334 USD
View
B+
Retailer 15
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$1,687 USD
View
B+
Retailer 16
-
$1,771 USD
View
B+
Retailer 17
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$1,779 USD
View
B+
Retailer 18
-
$1,839 USD
View
B+
Retailer 19
-
$1,872 USD
SGD 2,530 SGD
View
B+
Retailer 20
-
$1,938 USD
£1,526 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F25455095 · Nov 1
$3,410 USD
View
20 more retailers have this diamond
Prices start from $384 USDSave up to $3,026 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
1.51ct Heart
$384 USD