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Heart|Lab Grown|IGI

1.57ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG794612078

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG794612078

Diamond specifications and retailer prices

From €598 EUR
$668 USD
As of October 30, 2026
Save €2,589 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,187 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown heart diamond

This 1.57ct 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 LG794612078 or 794612078. Listed at 19 retailers as of October 30, 2026, with prices from €598 to €3,187, a €2,589 spread on the same certified stone. Brilliant Earth lists it at €3,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794612078
Dimensions8.59 × 7.07 × 4.39 mm
L/W Ratio1.21
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
8.59 mm7.07 mm1.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794612078
Side View
Table 64.0%Crown 36.1°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 51.1%

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: €3,187 EUR|Low: €598 EUR|High: €4,502 EUR|Avg: €1,668 EUR|-29.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 7€598 EUR
Retailer 3€651 EUR
Retailer 16€694 EUR
Retailer 11€704 EUR
Retailer 2€757 EUR
Retailer 17€850 EUR
Retailer 6€913 EUR
Retailer 19€1,080 EUR
Retailer 13€1,109 EUR
Retailer 15€1,130 EUR
Retailer 14€1,275 EUR
Retailer 9€1,551 EUR
Retailer 18€1,950 EUR
Retailer 8€2,283 EUR
Retailer 4€2,392 EUR
Retailer 10€2,722 EUR
Retailer 5€2,895 EUR
Retailer 12€2,921 EUR
Brilliant Earth€3,187 EUR

33 data points across 19 retailers

19 retailers€598 EUR to €3,187 EUR

A
Cheapest Retailer
-
€598 EUR
$668 USD
A
Retailer 2
-
€651 EUR
$727 USD
View
A
Retailer 3
-
€694 EUR
$775 USD
View
Retailer 4
-
€704 EUR
$786 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€757 EUR
$846 USD
View
Final sale: no returns
A
Retailer 6
-
€850 EUR
$950 USD
View
A
Retailer 7
-
€913 EUR
$1,020 USD
View
A
Retailer 8
-
€1,080 EUR
$1,207 USD
View
B+
Retailer 9
-
€1,109 EUR
£976 GBP
View
B+
Retailer 10
-
€1,130 EUR
$1,262 USD
View
B+
Retailer 11
-
€1,275 EUR
ZAR 23,004 ZAR
View
B+
Retailer 12
-
€1,551 EUR
$1,733 USD
View
B+
Retailer 13
-
€1,950 EUR
$2,178 USD
View
B+
Retailer 14
-
€2,283 EUR
$2,551 USD
View
B+
Retailer 15
-
€2,392 EUR
$2,672 USD
View
B
Retailer 16
-
€2,722 EUR
SGD 4,110 SGD
View
B
Retailer 17
-
€2,895 EUR
$3,234 USD
View
B
Retailer 18
-
€2,921 EUR
£2,570 GBP
View
Most Expensive
B
Brilliant Earth
21420019A · Oct 31
€3,187 EUR
$3,560 USD
View
18 more retailers have this diamond
Prices start from €598 EURSave up to €2,589 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
1.57ct Heart
€598 EUR