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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG835608021

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835608021

Diamond specifications and retailer prices

From €277 EUR
$310 USD
As of October 27, 2026
Save €2,381 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,658 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835608021 or 835608021. Listed at 21 retailers as of October 27, 2026, with prices from €277 to €2,658, a €2,381 spread on the same certified stone. Brilliant Earth lists it at €2,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835608021
Dimensions6.66 × 7.89 × 4.72 mm
L/W Ratio1.18
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
6.66 mm7.89 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835608021
Side View
Table 57.0%Crown 38.3°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 59.8%

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 27
Current: €2,658 EUR|Low: €260 EUR|High: €2,658 EUR|Avg: €903 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 6€277 EUR
Retailer 7€344 EUR
Retailer 17€346 EUR
Retailer 14€357 EUR
Retailer 12€383 EUR
Retailer 3€483 EUR
Retailer 2€562 EUR
Retailer 19€591 EUR
Retailer 15€615 EUR
Retailer 9€642 EUR
Retailer 18€801 EUR
Retailer 8€913 EUR
Retailer 5€1,056 EUR
Retailer 16€1,153 EUR
Retailer 10€1,322 EUR
Retailer 4€1,380 EUR
Retailer 13€1,387 EUR
Retailer 11€2,118 EUR
Brilliant Earth€2,658 EUR

27 data points across 19 retailers

21 retailers€277 EUR to €2,658 EUR

A
Cheapest Retailer
-
€277 EUR
$310 USD
Retailer 2
-
€337 EUR
$377 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
€344 EUR
$384 USD
View
A
Retailer 4
-
€346 EUR
$386 USD
View
A
Retailer 5
-
€357 EUR
£314 GBP
View
A
Retailer 6
-
€383 EUR
$428 USD
View
Final sale: no returns
A
Retailer 7
-
€483 EUR
$540 USD
View
A
Retailer 8
-
€562 EUR
$628 USD
View
A
Retailer 9
-
€591 EUR
ZAR 10,664 ZAR
View
A
Retailer 10
-
€615 EUR
£541 GBP
View
A
Retailer 11
-
€642 EUR
$717 USD
View
A
Retailer 12
-
€801 EUR
A$1,377 AUD
View
A
Retailer 13
-
€913 EUR
$1,020 USD
View
B+
Retailer 14
-
€1,056 EUR
$1,180 USD
View
Retailer 15
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€1,132 EUR
$1,265 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
€1,153 EUR
$1,288 USD
View
B+
Retailer 17
-
€1,322 EUR
$1,477 USD
View
B+
Retailer 18
-
€1,380 EUR
£1,214 GBP
View
B+
Retailer 19
-
€1,387 EUR
$1,550 USD
View
Retailer 20
-
€2,118 EUR
A$3,641 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21696528A · Oct 28
€2,658 EUR
$2,970 USD
View
20 more retailers have this diamond
Prices start from €277 EURSave up to €2,381 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
€277 EUR