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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG825689925

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825689925

Diamond specifications and retailer prices

From €307 EUR
$343 USD
As of October 30, 2026
Save €2,727 EUR (90%) vs most expensive(unlock to see where)
22 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 LG825689925 or 825689925. Listed at 22 retailers as of October 30, 2026, with prices from €307 to €3,034, a €2,727 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825689925
Dimensions7.83 × 6.80 × 4.87 mm
L/W Ratio1.15
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
7.83 mm6.80 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825689925
Side View
Table 61.0%Crown 39.7°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 62.2%

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: €3,034 EUR|Low: €307 EUR|High: €3,078 EUR|Avg: €934 EUR|-1.5%
Novita Diamonds
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 6€307 EUR
Retailer 11€344 EUR
Retailer 21€356 EUR
Retailer 4€380 EUR
Retailer 5€380 EUR
Retailer 18€424 EUR
Retailer 19€519 EUR
Retailer 15€526 EUR
Retailer 17€654 EUR
Retailer 13€683 EUR
Retailer 16€884 EUR
Retailer 9€917 EUR
Retailer 20€1,116 EUR
Retailer 14€1,214 EUR
Retailer 12€1,218 EUR
Retailer 7€1,224 EUR
Retailer 10€1,262 EUR
Retailer 3€1,341 EUR
Retailer 8€1,477 EUR
Retailer 2€1,526 EUR
Novita Diamonds€3,034 EUR

36 data points across 21 retailers

22 retailers€307 EUR to €3,034 EUR

A
Cheapest Retailer
-
€307 EUR
$343 USD
A
Retailer 2
-
€344 EUR
$384 USD
View
Final sale: no returns
A
Retailer 3
-
€356 EUR
$398 USD
View
A
Retailer 4
-
€380 EUR
$425 USD
View
A
Retailer 5
-
€380 EUR
$425 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€424 EUR
HK$3,700 HKD
View
A
Retailer 7
-
€519 EUR
$580 USD
View
A
Retailer 8
-
€526 EUR
$588 USD
View
A
Retailer 9
-
€654 EUR
ZAR 11,806 ZAR
View
A
Retailer 10
-
€683 EUR
£601 GBP
View
A
Retailer 11
-
€884 EUR
A$1,519 AUD
View
A
Retailer 12
-
€917 EUR
$1,024 USD
View
B+
Retailer 13
-
€1,116 EUR
$1,247 USD
View
B+
Retailer 14
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€1,214 EUR
$1,356 USD
View
B+
Retailer 15
-
€1,218 EUR
SGD 1,839 SGD
View
B+
Retailer 16
-
€1,224 EUR
$1,367 USD
View
B+
Retailer 17
-
€1,262 EUR
$1,410 USD
View
B+
Retailer 18
-
€1,341 EUR
$1,498 USD
View
B+
Retailer 19
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€1,477 EUR
$1,650 USD
View
B+
Retailer 20
-
€1,526 EUR
£1,342 GBP
View
B
Retailer 21
-
€2,546 EUR
£2,240 GBP
View
Most Expensive
B
Novita Diamonds
cert_825689925 · Oct 31
€3,034 EUR
A$5,214 AUD
View
21 more retailers have this diamond
Prices start from €307 EURSave up to €2,727 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
€307 EUR