Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG818654467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818654467

Diamond specifications and retailer prices

From $564 USD
As of November 4, 2026
Save $4,446 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,010 USD at Do Amore Diamonds · As of November 4, 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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818654467 or 818654467. Listed at 13 retailers as of November 4, 2026, with prices from $564 to $5,010, a $4,446 spread on the same certified stone. Do Amore Diamonds lists it at $5,010. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654467
Dimensions7.61 × 7.31 × 4.77 mm
L/W Ratio1.04
Girdle conditionFaceted
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
7.61 mm7.31 mm1.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654467
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 4
Current: $5,010 USD|Low: $564 USD|High: $7,210 USD|Avg: $2,262 USD|-30.5%
Do Amore Diamonds
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
November 5, 2026
Retailer 9$564 USD
Retailer 13$632 USD
Retailer 14$840 USD
Retailer 3$875 USD
Retailer 10$1,077 USD
Retailer 7$1,237 USD
Retailer 4$1,558 USD
Retailer 11$1,736 USD
Retailer 12$2,031 USD
Retailer 6$2,589 USD
Retailer 2$3,035 USD
Retailer 8$3,350 USD
Retailer 5$3,933 USD
Do Amore Diamonds$5,010 USD

27 data points across 14 retailers

13 retailers$564 USD to $5,010 USD

A
Cheapest Retailer
-
$564 USD
A
Retailer 2
-
$632 USD
View
A
Retailer 3
-
$840 USD
View
A
Retailer 4
-
$875 USD
View
A
Retailer 5
-
$1,077 USD
View
B+
Retailer 6
-
$1,237 USD
View
B+
Retailer 7
-
$1,558 USD
View
B+
Retailer 8
-
$1,736 USD
View
B
Retailer 9
-
$2,031 USD
View
Retailer 10
-
$2,589 USD
View
Price last confirmed 88 days ago
B
Retailer 11
-
$3,035 USD
View
B
Retailer 12
-
$3,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-4206B6745 · Nov 4
$5,010 USD
View
12 more retailers have this diamond
Prices start from $564 USDSave up to $4,446 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
$564 USD