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Heart|Lab Grown|IGI

1.56ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG778640156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778640156

Diamond specifications and retailer prices

From €226 EUR
$253 USD
As of October 30, 2026
Save €1,277 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,504 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778640156 or 778640156. Listed at 22 retailers as of October 28, 2026, with prices from €226 to €1,504, a €1,277 spread on the same certified stone. Brilliant Earth lists it at €1,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640156
Dimensions7.31 × 8.08 × 4.61 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm8.08 mm1.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640156
Side View
Table 56.0%Crown 29.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 57.1%

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: €1,504 EUR|Low: €218 EUR|High: €1,504 EUR|Avg: €634 EUR
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 4€226 EUR
Retailer 12€253 EUR
Retailer 9€262 EUR
Retailer 5€281 EUR
Retailer 14€281 EUR
Retailer 18€425 EUR
Retailer 15€460 EUR
Retailer 7€469 EUR
Retailer 17€482 EUR
Retailer 10€518 EUR
Retailer 13€535 EUR
Retailer 8€589 EUR
Retailer 19€654 EUR
Retailer 3€705 EUR
Retailer 6€902 EUR
Retailer 20€931 EUR
Retailer 11€948 EUR
Retailer 2€1,060 EUR
Retailer 16€1,131 EUR
Retailer 21€1,198 EUR
Brilliant Earth€1,504 EUR

34 data points across 21 retailers

22 retailers€226 EUR to €1,504 EUR

A
Cheapest Retailer
-
€226 EUR
$253 USD
A
Retailer 2
-
€253 EUR
$283 USD
View
Final sale: no returns
A
Retailer 3
-
€262 EUR
$293 USD
View
A
Retailer 4
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€281 EUR
$314 USD
View
A
Retailer 5
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€281 EUR
$314 USD
View
A
Retailer 6
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€425 EUR
$475 USD
View
A
Retailer 7
-
€460 EUR
View
A
Retailer 8
-
€469 EUR
$524 USD
View
A
Retailer 9
-
€482 EUR
ZAR 8,703 ZAR
View
A
Retailer 10
-
€518 EUR
$579 USD
View
B+
Retailer 11
-
€535 EUR
£470 GBP
View
B+
Retailer 12
-
€589 EUR
$658 USD
View
B+
Retailer 13
-
€654 EUR
A$1,124 AUD
View
B+
Retailer 14
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€705 EUR
$788 USD
View
B
Retailer 15
-
€902 EUR
$1,008 USD
View
B+
Retailer 16
-
€931 EUR
SGD 1,406 SGD
View
B
Retailer 17
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€948 EUR
$1,059 USD
View
B+
Retailer 18
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€1,060 EUR
$1,184 USD
View
B+
Retailer 19
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€1,105 EUR
$1,234 USD
View
B
Retailer 20
-
€1,131 EUR
£995 GBP
View
B
Retailer 21
-
€1,198 EUR
$1,338 USD
View
Most Expensive
B
Brilliant Earth
21417846A · Oct 28
€1,504 EUR
$1,680 USD
View
21 more retailers have this diamond
Prices start from €226 EURSave up to €1,277 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
1.56ct Heart
€226 EUR