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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811631743

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811631743

Diamond specifications and retailer prices

From €499 EUR
$558 USD
As of October 30, 2026
Save €3,940 EUR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,440 EUR 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811631743 or 811631743. Listed at 12 retailers as of October 30, 2026, with prices from €499 to €4,440, a €3,940 spread on the same certified stone. Do Amore Diamonds lists it at €4,440. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811631743
Dimensions7.52 × 7.25 × 4.54 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
7.52 mm7.25 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811631743
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,440 EUR|Low: €499 EUR|High: €4,878 EUR|Avg: €1,813 EUR|-9.0%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 1, 2026
Retailer 15€499 EUR
Retailer 3€559 EUR
Retailer 9€561 EUR
Retailer 7€623 EUR
Retailer 2€723 EUR
Retailer 17€822 EUR
Retailer 16€954 EUR
Retailer 12€958 EUR
Retailer 6€1,078 EUR
Retailer 5€1,386 EUR
Retailer 18€1,481 EUR
Retailer 10€1,656 EUR
Retailer 19€1,798 EUR
Retailer 4€2,733 EUR
Retailer 14€2,984 EUR
Retailer 13€2,999 EUR
Retailer 11€3,057 EUR
Retailer 8€3,139 EUR
Do Amore Diamonds€4,440 EUR

22 data points across 19 retailers

12 retailers€499 EUR to €4,440 EUR

A
Cheapest Retailer
-
€499 EUR
$558 USD
A
Retailer 2
-
€559 EUR
$625 USD
View
A
Retailer 3
-
€723 EUR
£636 GBP
View
A
Retailer 4
-
€822 EUR
$918 USD
View
A
Retailer 5
-
€954 EUR
$1,066 USD
View
B+
Retailer 6
-
€958 EUR
$1,070 USD
View
B+
Retailer 7
-
€1,481 EUR
$1,655 USD
View
B+
Retailer 8
-
€1,798 EUR
$2,009 USD
View
B
Retailer 9
-
€2,733 EUR
$3,053 USD
View
B
Retailer 10
-
€2,984 EUR
£2,625 GBP
View
B
Retailer 11
-
€2,999 EUR
$3,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-B78631E99 · Nov 1
€4,440 EUR
$4,960 USD
View
11 more retailers have this diamond
Prices start from €499 EURSave up to €3,940 EUR

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
€499 EUR