Heart|Lab Grown|IGI

1.16ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663659

Diamond specifications and retailer prices

From €303 EUR
£267 GBP
As of October 30, 2026
Save €1,908 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,211 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG846663659 or 846663659. Listed at 10 retailers as of October 30, 2026, with prices from €303 to €2,211, a €1,908 spread on the same certified stone. Brilliant Earth lists it at €2,211. 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 angle33°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663659
Dimensions6.70 × 7.24 × 4.23 mm
L/W Ratio1.08
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
6.70 mm7.24 mm1.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663659
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 58.4%

Caratlytics Score

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A+
Exceptional
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: €2,211 EUR|Low: €303 EUR|High: €2,211 EUR|Avg: €841 EUR|+16.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8€303 EUR
Retailer 7€489 EUR
Retailer 3€497 EUR
Retailer 10€538 EUR
Retailer 4€686 EUR
Retailer 5€901 EUR
Retailer 2€1,157 EUR
Retailer 9€1,182 EUR
Retailer 6€1,448 EUR
Brilliant Earth€2,211 EUR

6 data points across 10 retailers

10 retailers€303 EUR to €2,211 EUR

A+
Cheapest Retailer
-
€303 EUR
£267 GBP
A
Retailer 2
-
€489 EUR
$546 USD
View
A
Retailer 3
-
€497 EUR
$555 USD
View
A
Retailer 4
-
€538 EUR
View
B+
Retailer 5
-
€686 EUR
$766 USD
View
B+
Retailer 6
-
€901 EUR
$1,007 USD
View
B
Retailer 7
-
€1,157 EUR
$1,293 USD
View
B
Retailer 8
-
€1,182 EUR
£1,040 GBP
View
B
Retailer 9
-
€1,448 EUR
$1,618 USD
View
Most Expensive
B
Brilliant Earth
22319254A · Oct 31
€2,211 EUR
$2,470 USD
View
9 more retailers have this diamond
Prices start from €303 EURSave up to €1,908 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
€303 EUR