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Heart|Lab Grown|IGI

1.56ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG677570628

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677570628

Diamond specifications and retailer prices

From €210 EUR
$235 USD
As of October 30, 2026
Save €854 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,889 EUR at Brilliant Earth · As of October 22, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677570628 or 677570628. Listed at 18 retailers as of October 30, 2026, with a 406% 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

1.56
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570628
Dimensions7.19 × 8.19 × 4.71 mm
L/W Ratio1.14
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
7.19 mm8.19 mm1.56 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570628
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 57.5%

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: €1,889 EUR|Low: €202 EUR|High: €1,987 EUR|Avg: €554 EUR|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 15€210 EUR
Retailer 14€235 EUR
Retailer 6€244 EUR
Retailer 3€261 EUR
Retailer 12€261 EUR
Retailer 10€292 EUR
Retailer 5€441 EUR
Retailer 2€451 EUR
Retailer 7€488 EUR
Retailer 9€493 EUR
Retailer 11€678 EUR
Retailer 4€840 EUR
Retailer 8€1,047 EUR
Retailer 13€1,062 EUR
Brilliant Earth€1,889 EUR

42 data points across 15 retailers

18 retailers€210 EUR to €1,064 EUR

A
Cheapest Retailer
-
€210 EUR
$235 USD
A
Retailer 2
-
€235 EUR
$263 USD
View
Final sale: no returns
A
Retailer 3
-
€244 EUR
$273 USD
View
A
Retailer 4
-
€261 EUR
$292 USD
View
Retailer 5
-
€261 EUR
$292 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€292 EUR
£257 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€441 EUR
$493 USD
View
A
Retailer 8
-
€451 EUR
ZAR 8,137 ZAR
View
B+
Retailer 9
-
€488 EUR
$545 USD
View
B+
Retailer 10
-
€493 EUR
£434 GBP
View
B+
Retailer 11
-
€494 EUR
$552 USD
View
B
Retailer 12
-
€678 EUR
$757 USD
View
B
Retailer 13
-
€840 EUR
$938 USD
View
B
Retailer 14
-
€886 EUR
$990 USD
View
B
Retailer 15
-
€1,047 EUR
£921 GBP
View
B
Retailer 16
-
€1,062 EUR
$1,187 USD
View
B
Retailer 17
-
€1,064 EUR
$1,189 USD
View
Most Expensive
Brilliant Earth
14978249A · Oct 22
€1,889 EUR
$2,110 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from €210 EURSave up to €854 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
€210 EUR