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Heart|Lab Grown|IGI

1.07ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG818661949

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818661949

Diamond specifications and retailer prices

From €306 EUR
$342 USD
As of October 30, 2026
Save €1,065 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,419 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.07ct lab-grown heart diamond

This 1.07ct 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 LG818661949 or 818661949. Listed at 18 retailers as of October 30, 2026, with a 348% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661949
Dimensions6.48 × 6.98 × 4.04 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
6.48 mm6.98 mm1.07 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661949
Side View
Table 56.0%Crown 34.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €868 EUR|Low: €284 EUR|High: €1,745 EUR|Avg: €881 EUR|-23.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3€306 EUR
Retailer 5€441 EUR
Retailer 10€479 EUR
Retailer 7€557 EUR
Retailer 9€584 EUR
Retailer 13€588 EUR
Retailer 6€603 EUR
Retailer 12€618 EUR
Retailer 2€764 EUR
Retailer 1€868 EUR
Retailer 4€1,134 EUR
Retailer 8€1,369 EUR
Retailer 11€1,372 EUR

35 data points across 13 retailers

18 retailers€306 EUR to €1,372 EUR

A
Cheapest Retailer
-
€306 EUR
$342 USD
Final sale: no returns
Retailer 2
-
€356 EUR
$398 USD
View
Price last confirmed 22 days ago
Retailer 3
-
€398 EUR
$445 USD
View
Price last confirmed 32 days ago
Retailer 4
-
€436 EUR
$487 USD
View
Price last confirmed 36 days ago
Retailer 5
-
€441 EUR
$493 USD
View
Price last confirmed 28 days ago
Retailer 6
-
€441 EUR
$493 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
€479 EUR
$535 USD
View
B+
Retailer 8
-
€557 EUR
View
B+
Retailer 9
-
€584 EUR
ZAR 10,538 ZAR
View
B+
Retailer 10
-
€588 EUR
$657 USD
View
B+
Retailer 11
-
€603 EUR
£530 GBP
View
B+
Retailer 12
-
€618 EUR
$690 USD
View
B+
Retailer 13
-
€764 EUR
$853 USD
View
B+
Retailer 14
-
€868 EUR
$970 USD
View
B
Retailer 15
-
€1,134 EUR
$1,267 USD
View
B
Retailer 16
-
€1,369 EUR
£1,204 GBP
View
B
Retailer 17
-
€1,372 EUR
$1,532 USD
View
Most Expensive
NZ Jewellers
662c456a-e8dc-47f6-9f17-c812da81bd98 · Sep 30
€1,419 EUR
$1,585 USD
View
Price last confirmed 30 days ago
17 more retailers have this diamond
Prices start from €306 EURSave up to €1,065 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
1.07ct Heart
€306 EUR