Heart|Lab Grown|IGI

1.51ct F VVS1 Heart Lab Grown Diamond

EX • F/VVS1 • IGI LG647475470

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647475470

Diamond specifications and retailer prices

From €224 EUR
$251 USD
As of November 2, 2026
Save €2,086 EUR (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,310 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG647475470 or 647475470. Listed at 23 retailers as of October 27, 2026, with prices from €224 to €2,310, a €2,086 spread on the same certified stone. Queensmith lists it at €2,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647475470
Dimensions6.99 × 8.03 × 4.70 mm
L/W Ratio1.15
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
6.99 mm8.03 mm1.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647475470
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 58.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €523 EUR|Low: €215 EUR|High: €2,024 EUR|Avg: €628 EUR|+3.6%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 3, 2026
Retailer 3€224 EUR
Retailer 10€250 EUR
Retailer 6€259 EUR
Retailer 4€277 EUR
Retailer 7€277 EUR
Retailer 9€374 EUR
Retailer 17€419 EUR
Retailer 13€479 EUR
Retailer 1€523 EUR
Retailer 15€538 EUR
Retailer 8€580 EUR
Retailer 18€646 EUR
Retailer 12€707 EUR
Retailer 5€892 EUR
Retailer 2€900 EUR
Retailer 16€1,109 EUR
Retailer 11€1,111 EUR
Retailer 14€1,649 EUR

42 data points across 18 retailers

23 retailers€224 EUR to €2,310 EUR

A
Cheapest Retailer
-
€224 EUR
$251 USD
A
Retailer 2
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€250 EUR
$280 USD
View
Final sale: no returns
A
Retailer 3
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€259 EUR
$291 USD
View
A
Retailer 4
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€277 EUR
$311 USD
View
Retailer 5
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€277 EUR
$311 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
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€374 EUR
$420 USD
View
A
Retailer 7
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€419 EUR
$470 USD
View
A
Retailer 8
-
€479 EUR
ZAR 8,676 ZAR
View
B+
Retailer 9
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€523 EUR
£462 GBP
View
B+
Retailer 10
-
€538 EUR
A$928 AUD
View
B+
Retailer 11
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€555 EUR
$622 USD
View
B+
Retailer 12
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€580 EUR
$650 USD
View
B+
Retailer 13
-
€646 EUR
A$1,115 AUD
View
B+
Retailer 14
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€707 EUR
$793 USD
View
B
Retailer 15
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€892 EUR
$1,000 USD
View
B
Retailer 16
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€900 EUR
$1,010 USD
View
B
Retailer 17
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€937 EUR
$1,052 USD
View
Retailer 18
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€1,092 EUR
$1,225 USD
View
Price last confirmed 7 days ago
B
Retailer 19
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€1,109 EUR
A$1,914 AUD
View
B
Retailer 20
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€1,111 EUR
£981 GBP
View
B
Retailer 21
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€1,209 EUR
$1,356 USD
View
B
Retailer 22
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€1,649 EUR
$1,850 USD
View
Most Expensive
B
Queensmith
LG647475470 · Oct 27
€2,310 EUR
£2,040 GBP
View
22 more retailers have this diamond
Prices start from €224 EURSave up to €2,086 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
€224 EUR