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Heart|Lab Grown|IGI

1.56ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG653411680

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG653411680

Diamond specifications and retailer prices

From €765 EUR
$855 USD
As of October 30, 2026
Save €3,481 EUR (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,246 EUR at With Clarity · As of November 2, 2026
View at With Clarity

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG653411680 or 653411680. Listed at 21 retailers as of October 30, 2026, with prices from €765 to €4,246, a €3,481 spread on the same certified stone. With Clarity lists it at €4,246. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653411680
Dimensions7.36 × 8.05 × 4.80 mm
L/W Ratio1.09
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
7.36 mm8.05 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG653411680
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 41.4°Culet: NoneDepth 59.6%

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: €1,364 EUR|Low: €752 EUR|High: €4,246 EUR|Avg: €1,848 EUR|-3.8%
Retailer 1
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
Retailer 16
Retailer 17
With Clarity
November 2, 2026
Retailer 6€765 EUR
Retailer 2€832 EUR
Retailer 10€856 EUR
Retailer 14€887 EUR
Retailer 3€1,043 EUR
Retailer 15€1,096 EUR
Retailer 4€1,127 EUR
Retailer 8€1,271 EUR
Retailer 1€1,364 EUR
Retailer 12€1,411 EUR
Retailer 16€1,631 EUR
Retailer 13€1,860 EUR
Retailer 17€2,495 EUR
Retailer 5€2,777 EUR
Retailer 7€3,077 EUR
Retailer 11€3,326 EUR
Retailer 9€4,082 EUR
With Clarity€4,246 EUR

34 data points across 18 retailers

21 retailers€765 EUR to €4,246 EUR

A
Cheapest Retailer
-
€765 EUR
$855 USD
A
Retailer 2
-
€832 EUR
$930 USD
View
A
Retailer 3
-
€856 EUR
$956 USD
View
Final sale: no returns
A
Retailer 4
-
€887 EUR
$991 USD
View
Retailer 5
-
€909 EUR
$1,015 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€1,043 EUR
$1,165 USD
View
B+
Retailer 7
-
€1,096 EUR
$1,224 USD
View
B+
Retailer 8
-
€1,127 EUR
$1,259 USD
View
B+
Retailer 9
-
€1,271 EUR
$1,420 USD
View
B+
Retailer 10
-
€1,364 EUR
£1,200 GBP
View
B+
Retailer 11
-
€1,411 EUR
View
B+
Retailer 12
-
€1,631 EUR
ZAR 29,441 ZAR
View
B+
Retailer 13
-
€1,860 EUR
$2,078 USD
View
Retailer 14
-
€1,957 EUR
$2,186 USD
View
Price last confirmed 27 days ago
B
Retailer 15
-
€2,495 EUR
$2,787 USD
View
B
Retailer 16
-
€2,628 EUR
$2,936 USD
View
B
Retailer 17
-
€2,777 EUR
$3,102 USD
View
B
Retailer 18
-
€3,077 EUR
$3,438 USD
View
B
Retailer 19
-
€3,326 EUR
£2,926 GBP
View
B
Retailer 20
-
€4,082 EUR
$4,560 USD
View
Most Expensive
B
With Clarity
653411680 · Nov 2
€4,246 EUR
$4,744 USD
View
20 more retailers have this diamond
Prices start from €765 EURSave up to €3,481 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
€765 EUR