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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 $3,963 USD
As of October 27, 2026
Save $13,234 USD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $17,197 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 27, 2026, with prices from $3,963 to $17,197, a $13,234 spread on the same certified stone. With Clarity lists it at $17,197. 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
Color
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 27
Current: $10,673 USD|Low: $3,805 USD|High: $17,197 USD|Avg: $8,045 USD|+1.9%
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
Retailer 18
Retailer 19
With Clarity
October 29, 2026
Retailer 19$3,963 USD
Retailer 7$4,153 USD
Retailer 8$4,350 USD
Retailer 9$4,438 USD
Retailer 2$4,597 USD
Retailer 4$4,597 USD
Retailer 18$4,655 USD
Retailer 5$4,682 USD
Retailer 16$5,383 USD
Retailer 13$5,427 USD
Retailer 3$5,745 USD
Retailer 12$6,034 USD
Retailer 14$6,778 USD
Retailer 17$9,900 USD
Retailer 1$10,673 USD
Retailer 15$11,096 USD
Retailer 10$13,391 USD
Retailer 6$15,698 USD
Retailer 11$16,303 USD
With Clarity$17,197 USD

37 data points across 20 retailers

20 retailers$3,963 USD to $17,197 USD

A
Cheapest Retailer
-
$3,963 USD
A
Retailer 2
-
$4,153 USD
View
A
Retailer 3
-
$4,350 USD
View
B+
Retailer 4
-
$4,438 USD
View
Final sale: no returns
Retailer 5
-
$4,597 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$4,597 USD
View
B+
Retailer 7
-
$4,655 USD
View
A
Retailer 8
-
$4,682 USD
View
B+
Retailer 9
-
$5,383 USD
View
B+
Retailer 10
-
$5,427 USD
HK$42,400 HKD
View
B+
Retailer 11
-
$5,745 USD
View
B+
Retailer 12
-
$6,034 USD
£4,751 GBP
View
B+
Retailer 13
-
$6,778 USD
View
B+
Retailer 14
-
$9,900 USD
£7,795 GBP
View
B+
Retailer 15
-
$10,673 USD
ZAR 172,430 ZAR
View
B
Retailer 16
-
$11,096 USD
View
B
Retailer 17
-
$13,391 USD
View
B
Retailer 18
-
$15,698 USD
SGD 21,214 SGD
View
B
Retailer 19
-
$16,303 USD
View
Most Expensive
B
With Clarity
826659203 · Oct 30
$17,197 USD
View
19 more retailers have this diamond
Prices start from $3,963 USDSave up to $13,234 USD

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
$3,963 USD