Heart|Lab Grown|IGI

3.56ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG826659203

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826659203

Diamond specifications and retailer prices

From €3,547 EUR
$3,963 USD
As of October 30, 2026
Save €11,045 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €14,593 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.56ct lab-grown heart diamond

This 3.56ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG826659203 or 826659203. Listed at 20 retailers as of October 30, 2026, with prices from €3,547 to €14,593, a €11,045 spread on the same certified stone. Taylor and Hart lists it at €14,593. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826659203
Dimensions9.52 × 10.84 × 6.18 mm
L/W Ratio1.14
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
9.52 mm10.84 mm3.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826659203
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 57.0%

Caratlytics Score

How it works →
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: €3,718 EUR|Low: €3,406 EUR|High: €15,393 EUR|Avg: €7,179 EUR|-34.8%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 4€3,547 EUR
Retailer 9€3,717 EUR
Retailer 1€3,718 EUR
Retailer 10€3,894 EUR
Retailer 5€4,115 EUR
Retailer 7€4,115 EUR
Retailer 3€4,167 EUR
Retailer 8€4,191 EUR
Retailer 17€4,526 EUR
Retailer 12€4,994 EUR
Retailer 6€5,142 EUR
Retailer 15€5,457 EUR
Retailer 19€6,067 EUR
Retailer 2€8,861 EUR
Retailer 16€9,258 EUR
Retailer 18€9,554 EUR
Retailer 11€11,986 EUR
Retailer 14€13,098 EUR
Retailer 13€14,349 EUR
Taylor and Hart€14,593 EUR

38 data points across 20 retailers

20 retailers€3,547 EUR to €14,593 EUR

A
Cheapest Retailer
-
€3,547 EUR
$3,963 USD
A
Retailer 2
-
€3,717 EUR
$4,153 USD
View
A
Retailer 3
-
€3,718 EUR
$4,154 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,894 EUR
$4,350 USD
View
Retailer 5
-
€4,115 EUR
$4,597 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€4,115 EUR
$4,597 USD
View
B+
Retailer 7
-
€4,167 EUR
$4,655 USD
View
B+
Retailer 8
-
€4,191 EUR
$4,682 USD
View
B+
Retailer 9
-
€4,526 EUR
HK$39,500 HKD
View
B+
Retailer 10
-
€4,994 EUR
£4,393 GBP
View
B+
Retailer 11
-
€5,142 EUR
$5,745 USD
View
B+
Retailer 12
-
€5,457 EUR
$6,097 USD
View
B+
Retailer 13
-
€6,067 EUR
$6,778 USD
View
B+
Retailer 14
-
€8,861 EUR
£7,795 GBP
View
B+
Retailer 15
-
€9,258 EUR
$10,343 USD
View
B+
Retailer 16
-
€9,554 EUR
ZAR 172,430 ZAR
View
B
Retailer 17
-
€11,986 EUR
$13,391 USD
View
B
Retailer 18
-
€13,098 EUR
SGD 19,775 SGD
View
B
Retailer 19
-
€14,349 EUR
$16,031 USD
View
Most Expensive
B
Taylor and Hart
4FDC3DR · Oct 30
€14,593 EUR
$16,303 USD
View
19 more retailers have this diamond
Prices start from €3,547 EURSave up to €11,045 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
3.56ct Heart
€3,547 EUR