Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG846631693

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846631693

Diamond specifications and retailer prices

From €195 EUR
$218 USD
As of October 30, 2026
Save €924 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,817 EUR at Brilliant Earth · As of October 23, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846631693 or 846631693. Listed at 22 retailers as of October 30, 2026, with a 473% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846631693
Dimensions7.01 × 7.84 × 4.83 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.01 mm7.84 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846631693
Side View
Table 56.0%Crown 32.1°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.6%

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: €1,817 EUR|Low: €195 EUR|High: €1,817 EUR|Avg: €654 EUR
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 16€195 EUR
Retailer 6€218 EUR
Retailer 4€242 EUR
Retailer 15€261 EUR
Retailer 14€280 EUR
Retailer 20€283 EUR
Retailer 18€324 EUR
Retailer 11€416 EUR
Retailer 21€447 EUR
Retailer 22€456 EUR
Retailer 9€481 EUR
Retailer 13€536 EUR
Retailer 2€626 EUR
Retailer 10€652 EUR
Retailer 5€729 EUR
Retailer 8€776 EUR
Retailer 3€824 EUR
Retailer 17€879 EUR
Retailer 12€883 EUR
Retailer 7€973 EUR
Retailer 19€1,119 EUR
Brilliant Earth€1,817 EUR

14 data points across 22 retailers

22 retailers€195 EUR to €1,119 EUR

A
Cheapest Retailer
-
€195 EUR
$218 USD
A
Retailer 2
-
€218 EUR
$244 USD
View
Final sale: no returns
A
Retailer 3
-
€242 EUR
$270 USD
View
A
Retailer 4
-
€261 EUR
$292 USD
View
A
Retailer 5
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€280 EUR
$313 USD
View
A
Retailer 6
-
€283 EUR
£249 GBP
View
B+
Retailer 7
-
€324 EUR
$362 USD
View
A
Retailer 8
-
€416 EUR
$465 USD
View
A
Retailer 9
-
€447 EUR
£393 GBP
View
A
Retailer 10
-
€456 EUR
$509 USD
View
A
Retailer 11
-
€481 EUR
ZAR 8,675 ZAR
View
B+
Retailer 12
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€536 EUR
$599 USD
View
B+
Retailer 13
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€626 EUR
$699 USD
View
B+
Retailer 14
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€652 EUR
A$1,121 AUD
View
B+
Retailer 15
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€729 EUR
$814 USD
View
B+
Retailer 16
-
€776 EUR
$867 USD
View
B+
Retailer 17
-
€824 EUR
$920 USD
View
B+
Retailer 18
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€879 EUR
$982 USD
View
B
Retailer 19
-
€883 EUR
A$1,518 AUD
View
B
Retailer 20
-
€973 EUR
£856 GBP
View
B
Retailer 21
-
€1,119 EUR
$1,250 USD
View
Most Expensive
Brilliant Earth
22180546A · Oct 23
€1,817 EUR
$2,030 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from €195 EURSave up to €924 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
€195 EUR