CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG818671749

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671749

Diamond specifications and retailer prices

From €295 EUR
$330 USD
As of October 30, 2026
Save €1,047 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,369 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG818671749 or 818671749. Listed at 18 retailers as of October 30, 2026, with a 354% 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

1.03
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671749
Dimensions6.42 × 6.95 × 4.05 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
6.42 mm6.95 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671749
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.3%

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: €535 EUR|Low: €273 EUR|High: €1,685 EUR|Avg: €848 EUR|-19.7%
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€295 EUR
Retailer 5€426 EUR
Retailer 10€464 EUR
Retailer 7€465 EUR
Retailer 1€535 EUR
Retailer 13€550 EUR
Retailer 11€564 EUR
Retailer 6€582 EUR
Retailer 2€735 EUR
Retailer 8€836 EUR
Retailer 4€1,098 EUR
Retailer 9€1,322 EUR
Retailer 12€1,342 EUR

35 data points across 13 retailers

18 retailers€295 EUR to €1,342 EUR

A
Cheapest Retailer
-
€295 EUR
$330 USD
Final sale: no returns
Retailer 2
-
€344 EUR
$384 USD
View
Price last confirmed 23 days ago
Retailer 3
-
€385 EUR
$430 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€421 EUR
$470 USD
View
Price last confirmed 36 days ago
Retailer 5
-
€426 EUR
$476 USD
View
Price last confirmed 28 days ago
Retailer 6
-
€426 EUR
$476 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€464 EUR
$518 USD
View
A
Retailer 8
-
€465 EUR
$520 USD
View
B+
Retailer 9
-
€535 EUR
View
B+
Retailer 10
-
€550 EUR
$614 USD
View
B+
Retailer 11
-
€564 EUR
ZAR 10,180 ZAR
View
B+
Retailer 12
-
€582 EUR
£512 GBP
View
B+
Retailer 13
-
€735 EUR
$821 USD
View
B+
Retailer 14
-
€836 EUR
$934 USD
View
B
Retailer 15
-
€1,098 EUR
$1,227 USD
View
B
Retailer 16
-
€1,322 EUR
£1,163 GBP
View
B
Retailer 17
-
€1,342 EUR
$1,499 USD
View
Most Expensive
NZ Jewellers
ca505065-b642-429d-9b7e-5c9be786a09c · Sep 30
€1,369 EUR
$1,530 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from €295 EURSave up to €1,047 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
1.03ct Heart
€295 EUR