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Heart|Lab Grown|IGI

1.56ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836612427

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612427

Diamond specifications and retailer prices

From $676 USD
As of October 30, 2026
Save $3,676 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,352 USD 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612427 or 836612427. Listed at 20 retailers as of October 30, 2026, with prices from $676 to $4,352, a $3,676 spread on the same certified stone. With Clarity lists it at $4,352. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612427
Dimensions7.01 × 7.92 × 4.76 mm
L/W Ratio1.13
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
7.01 mm7.92 mm1.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612427
Side View
Table 58.0%Crown 39.4°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,254 USD|Low: $676 USD|High: $4,990 USD|Avg: $1,877 USD|-3.3%
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
November 2, 2026
Retailer 8$676 USD
Retailer 5$735 USD
Retailer 19$784 USD
Retailer 11$811 USD
Retailer 9$854 USD
Retailer 13$886 USD
Retailer 2$960 USD
Retailer 7$1,028 USD
Retailer 4$1,198 USD
Retailer 1$1,254 USD
Retailer 18$1,275 USD
Retailer 17$1,440 USD
Retailer 14$1,758 USD
Retailer 3$2,203 USD
Retailer 15$2,582 USD
Retailer 6$2,703 USD
Retailer 10$3,065 USD
Retailer 12$3,301 USD
Retailer 16$3,610 USD
With Clarity$4,352 USD

21 data points across 20 retailers

20 retailers$676 USD to $4,352 USD

A
Cheapest Retailer
-
$676 USD
A
Retailer 2
-
$735 USD
View
A
Retailer 3
-
$784 USD
View
Retailer 4
-
$811 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$854 USD
View
Final sale: no returns
A
Retailer 6
-
$886 USD
£697 GBP
View
A
Retailer 7
-
$960 USD
View
A
Retailer 8
-
$1,028 USD
View
B+
Retailer 9
-
$1,198 USD
View
A
Retailer 10
-
$1,254 USD
£988 GBP
View
B+
Retailer 11
-
$1,275 USD
View
B+
Retailer 12
-
$1,440 USD
ZAR 23,269 ZAR
View
B+
Retailer 13
-
$1,758 USD
View
B+
Retailer 14
-
$2,203 USD
View
B
Retailer 15
-
$2,582 USD
View
B
Retailer 16
-
$2,703 USD
View
B
Retailer 17
-
$3,065 USD
SGD 4,142 SGD
View
B
Retailer 18
-
$3,301 USD
£2,599 GBP
View
B
Retailer 19
-
$3,610 USD
View
Most Expensive
B
With Clarity
836612427 · Nov 2
$4,352 USD
View
19 more retailers have this diamond
Prices start from $676 USDSave up to $3,676 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
1.56ct Heart
$676 USD