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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG791632659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791632659

Diamond specifications and retailer prices

From €217 EUR
$242 USD
As of November 1, 2026
Save €1,108 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,325 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791632659 or 791632659. Listed at 19 retailers as of October 31, 2026, with prices from €217 to €1,325, a €1,108 spread on the same certified stone. Brilliant Earth lists it at €1,325. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791632659
Dimensions6.23 × 7.09 × 4.12 mm
L/W Ratio1.14
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
6.23 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791632659
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.1%

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: Nov 1
Current: €1,325 EUR|Low: €171 EUR|High: €1,486 EUR|Avg: €649 EUR|-10.8%
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
November 1, 2026
Retailer 4€217 EUR
Retailer 6€268 EUR
Retailer 12€340 EUR
Retailer 2€416 EUR
Retailer 8€447 EUR
Retailer 14€519 EUR
Retailer 13€520 EUR
Retailer 11€578 EUR
Retailer 10€588 EUR
Retailer 9€620 EUR
Retailer 3€821 EUR
Retailer 7€965 EUR
Retailer 5€1,117 EUR
Brilliant Earth€1,325 EUR

38 data points across 14 retailers

19 retailers€217 EUR to €1,325 EUR

Retailer 1
-
€194 EUR
$217 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€217 EUR
$242 USD
View
Final sale: no returns
Retailer 3
-
€239 EUR
$267 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€241 EUR
$269 USD
View
Price last confirmed 20 days ago
Retailer 5
-
€241 EUR
$269 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€264 EUR
$295 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
€340 EUR
$380 USD
View
A
Retailer 8
-
€416 EUR
ZAR 7,503 ZAR
View
A
Retailer 9
-
€447 EUR
£393 GBP
View
A
Retailer 10
-
€519 EUR
$580 USD
View
A
Retailer 11
-
€520 EUR
$581 USD
View
B+
Retailer 12
-
€578 EUR
$646 USD
View
B+
Retailer 13
-
€588 EUR
A$1,011 AUD
View
B+
Retailer 14
-
€620 EUR
$693 USD
View
Retailer 15
-
€774 EUR
$865 USD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
€821 EUR
$918 USD
View
B+
Retailer 17
-
€965 EUR
£849 GBP
View
B
Retailer 18
-
€1,117 EUR
$1,248 USD
View
Most Expensive
B
Brilliant Earth
18984687A · Oct 31
€1,325 EUR
$1,480 USD
View
18 more retailers have this diamond
Prices start from €217 EURSave up to €1,108 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
1.09ct Heart
€217 EUR