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Heart|Lab Grown|IGI

1.16ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681473

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681473

Diamond specifications and retailer prices

From €260 EUR
$290 USD
As of October 30, 2026
Save €2,041 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,300 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown heart diamond

This 1.16ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681473 or 818681473. Listed at 11 retailers as of October 30, 2026, with prices from €260 to €2,300, a €2,041 spread on the same certified stone. Do Amore Diamonds lists it at €2,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681473
Dimensions6.40 × 7.18 × 4.40 mm
L/W Ratio1.12
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
6.40 mm7.18 mm1.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681473
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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: €2,300 EUR|Low: €260 EUR|High: €3,366 EUR|Avg: €1,200 EUR|-31.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7€260 EUR
Retailer 11€301 EUR
Retailer 2€470 EUR
Retailer 3€521 EUR
Retailer 9€529 EUR
Retailer 12€813 EUR
Retailer 8€987 EUR
Retailer 10€1,140 EUR
Retailer 6€1,429 EUR
Retailer 5€1,889 EUR
Retailer 4€2,140 EUR
Do Amore Diamonds€2,300 EUR

24 data points across 12 retailers

11 retailers€260 EUR to €2,300 EUR

A
Cheapest Retailer
-
€260 EUR
$290 USD
A
Retailer 2
-
€301 EUR
$336 USD
View
A
Retailer 3
-
€470 EUR
$525 USD
View
A
Retailer 4
-
€521 EUR
$582 USD
View
A
Retailer 5
-
€529 EUR
$591 USD
View
B+
Retailer 6
-
€813 EUR
A$1,398 AUD
View
B
Retailer 7
-
€987 EUR
$1,103 USD
View
B+
Retailer 8
-
€1,140 EUR
$1,274 USD
View
B
Retailer 9
-
€1,429 EUR
£1,257 GBP
View
B
Retailer 10
-
€1,889 EUR
$2,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-E1364BCC6 · Oct 31
€2,300 EUR
$2,570 USD
View
10 more retailers have this diamond
Prices start from €260 EURSave up to €2,041 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
1.16ct Heart
€260 EUR