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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

VG • D/IF • IGI LG835670046

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835670046

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of October 30, 2026
Save €1,236 EUR (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,557 EUR at MOH London · As of November 1, 2026
View at MOH London

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 LG835670046 or 835670046. Listed at 20 retailers as of October 30, 2026, with prices from €321 to €1,557, a €1,236 spread on the same certified stone. MOH London lists it at €1,557. 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 angle34.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835670046
Dimensions7.26 × 8.02 × 4.44 mm
L/W Ratio1.10
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
7.26 mm8.02 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835670046
Side View
Table 61.0%Crown 34.9°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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,557 EUR|Low: €321 EUR|High: €1,565 EUR|Avg: €823 EUR|-0.5%
MOH London
Retailer 2
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Retailer 19
Retailer 20
November 1, 2026
Retailer 10€321 EUR
Retailer 4€360 EUR
Retailer 6€372 EUR
Retailer 17€398 EUR
Retailer 2€421 EUR
Retailer 8€533 EUR
Retailer 5€562 EUR
Retailer 14€641 EUR
Retailer 3€685 EUR
Retailer 19€693 EUR
Retailer 13€718 EUR
Retailer 11€909 EUR
Retailer 9€921 EUR
Retailer 18€925 EUR
Retailer 16€984 EUR
Retailer 20€1,281 EUR
Retailer 12€1,317 EUR
Retailer 15€1,386 EUR
Retailer 7€1,523 EUR
MOH London€1,557 EUR

7 data points across 20 retailers

20 retailers€321 EUR to €1,557 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€360 EUR
$402 USD
View
Final sale: no returns
A
Retailer 3
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€372 EUR
$416 USD
View
A
Retailer 4
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€398 EUR
$445 USD
View
A
Retailer 5
-
€421 EUR
£371 GBP
View
A
Retailer 6
-
€533 EUR
$595 USD
View
A
Retailer 7
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€562 EUR
$628 USD
View
A
Retailer 8
-
€641 EUR
View
A
Retailer 9
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€685 EUR
ZAR 12,359 ZAR
View
A
Retailer 10
-
€693 EUR
$774 USD
View
A
Retailer 11
-
€718 EUR
£632 GBP
View
B+
Retailer 12
-
€909 EUR
$1,016 USD
View
B+
Retailer 13
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€921 EUR
$1,029 USD
View
B+
Retailer 14
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€925 EUR
A$1,590 AUD
View
B+
Retailer 15
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€984 EUR
$1,099 USD
View
B
Retailer 16
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€1,281 EUR
$1,431 USD
View
B+
Retailer 17
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€1,317 EUR
$1,472 USD
View
B+
Retailer 18
-
€1,386 EUR
$1,548 USD
View
B
Retailer 19
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€1,523 EUR
$1,701 USD
View
Most Expensive
B
MOH London
LG835670046 · Nov 1
€1,557 EUR
£1,370 GBP
View
19 more retailers have this diamond
Prices start from €321 EURSave up to €1,236 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
€321 EUR