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Heart|Lab Grown|IGI

1.18ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG830624066

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830624066

Diamond specifications and retailer prices

From €280 EUR
$313 USD
As of October 30, 2026
Save €1,635 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,915 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.18ct lab-grown heart diamond

This 1.18ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624066 or 830624066. Listed at 17 retailers as of October 30, 2026, with prices from €280 to €1,915, a €1,635 spread on the same certified stone. Brilliant Earth lists it at €1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624066
Dimensions7.38 × 6.52 × 4.16 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
7.38 mm6.52 mm1.18 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624066
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.4%

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: €1,915 EUR|Low: €280 EUR|High: €2,238 EUR|Avg: €855 EUR|-14.4%
Brilliant Earth
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
November 1, 2026
Retailer 15€280 EUR
Retailer 14€325 EUR
Retailer 7€341 EUR
Retailer 4€347 EUR
Retailer 5€347 EUR
Retailer 12€488 EUR
Retailer 3€565 EUR
Retailer 10€597 EUR
Retailer 2€619 EUR
Retailer 16€694 EUR
Retailer 13€855 EUR
Retailer 6€1,117 EUR
Retailer 17€1,158 EUR
Retailer 9€1,296 EUR
Retailer 11€1,394 EUR
Retailer 8€1,481 EUR
Brilliant Earth€1,915 EUR

43 data points across 17 retailers

17 retailers€280 EUR to €1,915 EUR

A
Cheapest Retailer
-
€280 EUR
$313 USD
A
Retailer 2
-
€325 EUR
$363 USD
View
A
Retailer 3
-
€341 EUR
$381 USD
View
Final sale: no returns
A
Retailer 4
-
€347 EUR
$388 USD
View
A
Retailer 5
-
€347 EUR
$388 USD
View
A
Retailer 6
-
€488 EUR
$545 USD
View
A
Retailer 7
-
€565 EUR
$631 USD
View
B+
Retailer 8
-
€597 EUR
ZAR 10,775 ZAR
View
B+
Retailer 9
-
€619 EUR
£545 GBP
View
B+
Retailer 10
-
€694 EUR
$775 USD
View
B+
Retailer 11
-
€855 EUR
$955 USD
View
B+
Retailer 12
-
€1,117 EUR
$1,248 USD
View
B+
Retailer 13
-
€1,158 EUR
$1,294 USD
View
B
Retailer 14
-
€1,296 EUR
SGD 1,957 SGD
View
B
Retailer 15
-
€1,394 EUR
£1,226 GBP
View
B
Retailer 16
-
€1,481 EUR
$1,655 USD
View
Most Expensive
B
Brilliant Earth
21433734A · Oct 31
€1,915 EUR
$2,140 USD
View
16 more retailers have this diamond
Prices start from €280 EURSave up to €1,635 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
1.18ct Heart
€280 EUR