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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

VG • D/IF • IGI LG843639220

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843639220

Diamond specifications and retailer prices

From €422 EUR
$472 USD
As of October 30, 2026
Save €2,611 EUR (86%) vs most expensive(unlock to see where)
21 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 very-good cut grade and certified by IGI LG843639220 or 843639220. Listed at 21 retailers as of October 30, 2026, with prices from €422 to €3,034, a €2,611 spread on the same certified stone. Novita Diamonds lists it at €3,034. 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
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843639220
Dimensions6.86 × 8.02 × 4.60 mm
L/W Ratio1.17
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
6.86 mm8.02 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843639220
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 57.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €3,034 EUR|Low: €422 EUR|High: €3,034 EUR|Avg: €1,100 EUR
Novita Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 6€422 EUR
Retailer 4€473 EUR
Retailer 7€473 EUR
Retailer 10€524 EUR
Retailer 20€524 EUR
Retailer 13€553 EUR
Retailer 16€627 EUR
Retailer 14€703 EUR
Retailer 9€801 EUR
Retailer 15€868 EUR
Retailer 19€899 EUR
Retailer 8€957 EUR
Retailer 17€1,216 EUR
Retailer 18€1,219 EUR
Retailer 12€1,626 EUR
Retailer 21€1,683 EUR
Retailer 11€1,709 EUR
Retailer 3€1,844 EUR
Retailer 2€1,922 EUR
Retailer 5€2,546 EUR
Novita Diamonds€3,034 EUR

21 data points across 21 retailers

21 retailers€422 EUR to €3,034 EUR

A
Cheapest Retailer
-
€422 EUR
$472 USD
A
Retailer 2
-
€473 EUR
$528 USD
View
Final sale: no returns
A
Retailer 3
-
€473 EUR
$528 USD
View
Retailer 4
-
€524 EUR
$585 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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€524 EUR
$585 USD
View
A
Retailer 6
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€553 EUR
£487 GBP
View
A
Retailer 7
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€627 EUR
$700 USD
View
A
Retailer 8
-
€703 EUR
$785 USD
View
A
Retailer 9
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€801 EUR
$895 USD
View
A
Retailer 10
-
€868 EUR
£764 GBP
View
A
Retailer 11
-
€899 EUR
ZAR 16,232 ZAR
View
B+
Retailer 12
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€957 EUR
$1,069 USD
View
B+
Retailer 13
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€1,216 EUR
$1,359 USD
View
B+
Retailer 14
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€1,219 EUR
A$2,095 AUD
View
B
Retailer 15
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€1,626 EUR
$1,817 USD
View
B
Retailer 16
-
€1,683 EUR
$1,880 USD
View
B
Retailer 17
-
€1,709 EUR
$1,909 USD
View
B
Retailer 18
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€1,844 EUR
$2,060 USD
View
B
Retailer 19
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€1,922 EUR
£1,691 GBP
View
B
Retailer 20
-
€2,546 EUR
£2,240 GBP
View
Most Expensive
B
Novita Diamonds
cert_843639220 · Oct 31
€3,034 EUR
A$5,214 AUD
View
20 more retailers have this diamond
Prices start from €422 EURSave up to €2,611 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
€422 EUR