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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG754561307

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754561307

Diamond specifications and retailer prices

From €566 EUR
$632 USD
As of November 1, 2026
Save €2,468 EUR (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,034 EUR at Novita Diamonds · As of October 31, 2026
View at Novita 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 LG754561307 or 754561307. Listed at 9 retailers as of October 31, 2026, with prices from €566 to €3,034, a €2,468 spread on the same certified stone. Novita Diamonds lists it at €3,034. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754561307
Dimensions6.91 × 8.16 × 4.52 mm
L/W Ratio1.18
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
6.91 mm8.16 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754561307
Side View
Table 54.0%Crown 36.4°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 55.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €3,034 EUR|Low: €566 EUR|High: €3,078 EUR|Avg: €1,450 EUR|+1.5%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€566 EUR
Retailer 7€640 EUR
Retailer 2€761 EUR
Retailer 8€928 EUR
Retailer 9€1,387 EUR
Retailer 6€1,470 EUR
Retailer 3€1,644 EUR
Retailer 5€2,820 EUR
Novita Diamonds€3,034 EUR

46 data points across 9 retailers

9 retailers€566 EUR to €3,034 EUR

A
Cheapest Retailer
-
€566 EUR
$632 USD
A
Retailer 2
-
€640 EUR
$715 USD
View
A
Retailer 3
-
€761 EUR
£669 GBP
View
A
Retailer 4
-
€928 EUR
$1,037 USD
View
B+
Retailer 5
-
€1,387 EUR
$1,549 USD
View
B+
Retailer 6
-
€1,470 EUR
$1,642 USD
View
B+
Retailer 7
-
€1,644 EUR
£1,446 GBP
View
Retailer 8
-
€2,820 EUR
$3,150 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Novita Diamonds
cert_754561307 · Oct 31
€3,034 EUR
A$5,214 AUD
View
8 more retailers have this diamond
Prices start from €566 EURSave up to €2,468 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
€566 EUR