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Heart|Lab Grown|IGI

1.51ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG506192604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG506192604

Diamond specifications and retailer prices

From $290 USD
As of October 30, 2026
Save $2,280 USD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $2,570 USD at Do Amore Diamonds · As of October 31, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG506192604 or 506192604. Listed at 31 retailers as of October 30, 2026, with prices from $290 to $2,570, a $2,280 spread on the same certified stone. Do Amore Diamonds lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506192604
Dimensions6.86 × 8.00 × 4.73 mm
L/W Ratio1.17
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
6.86 mm8.00 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506192604
Side View
Table 60.5%Crown 33.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,570 USD|Low: $290 USD|High: $3,341 USD|Avg: $1,224 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 3$290 USD
Retailer 6$347 USD
Retailer 20$510 USD
Retailer 10$525 USD
Retailer 4$560 USD
Retailer 8$619 USD
Retailer 18$681 USD
Retailer 13$707 USD
Retailer 5$784 USD
Retailer 9$897 USD
Retailer 17$924 USD
Retailer 19$1,103 USD
Retailer 16$1,292 USD
Retailer 7$1,380 USD
Retailer 11$1,436 USD
Retailer 12$1,536 USD
Retailer 2$1,588 USD
Retailer 15$1,990 USD
Retailer 14$2,181 USD
Do Amore Diamonds$2,570 USD

43 data points across 20 retailers

31 retailers$290 USD to $2,570 USD

A
Cheapest Retailer
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$290 USD
Retailer 2
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$290 USD
View
Price last confirmed 25 days ago
Retailer 3
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$290 USD
View
Price last confirmed 22 days ago
A
Retailer 4
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$347 USD
View
Final sale: no returns
Retailer 5
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$359 USD
View
Price last confirmed 22 days ago
Retailer 6
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$359 USD
View
Price last confirmed 30 days ago
A
Retailer 7
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$510 USD
View
A
Retailer 8
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$525 USD
HK$4,100 HKD
View
A
Retailer 9
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$560 USD
View
Retailer 10
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$612 USD
View
Price last confirmed 33 days ago
A
Retailer 11
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$619 USD
View
A
Retailer 12
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$681 USD
ZAR 11,001 ZAR
View
Retailer 13
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$685 USD
View
Price last confirmed 34 days ago
Retailer 14
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$699 USD
£550 GBP
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Price last confirmed 18 days ago
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Retailer 15
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$707 USD
£557 GBP
View
Retailer 16
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$749 USD
View
Price last confirmed 36 days ago
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Retailer 17
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$784 USD
View
A
Retailer 18
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$897 USD
View
A
Retailer 19
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$924 USD
A$1,421 AUD
View
B+
Retailer 20
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$1,103 USD
View
Retailer 21
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$1,274 USD
View
Price last confirmed 23 days ago
B+
Retailer 22
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$1,274 USD
View
B+
Retailer 23
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$1,292 USD
A$1,988 AUD
View
B+
Retailer 24
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$1,380 USD
View
B+
Retailer 25
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$1,436 USD
View
B+
Retailer 26
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$1,536 USD
SGD 2,075 SGD
View
B+
Retailer 27
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$1,588 USD
£1,250 GBP
View
B
Retailer 28
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$1,990 USD
View
B
Retailer 29
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$2,181 USD
A$3,355 AUD
View
Retailer 30
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$2,203 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Do Amore Diamonds
27-A9AF4A36A · Oct 31
$2,570 USD
View
30 more retailers have this diamond
Prices start from $290 USDSave up to $2,280 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
$290 USD