Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG763620346

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG763620346

Diamond specifications and retailer prices

From €276 EUR
$308 USD
As of October 30, 2026
18 retailers carry this diamond
Most expensive: €1,262 EUR at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG763620346 or 763620346. Listed at 18 retailers as of October 30, 2026. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763620346
Dimensions6.20 × 6.99 × 4.07 mm
L/W Ratio1.13
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
6.20 mm6.99 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763620346
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,262 EUR|Low: €131 EUR|High: €1,298 EUR|Avg: €571 EUR|-2.8%
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
Retailer 15
October 22, 2026
Retailer 7€131 EUR
Retailer 15€229 EUR
Retailer 2€276 EUR
Retailer 14€322 EUR
Retailer 13€394 EUR
Retailer 5€490 EUR
Retailer 4€508 EUR
Retailer 10€533 EUR
Retailer 8€543 EUR
Retailer 3€559 EUR
Retailer 11€739 EUR
Retailer 12€930 EUR
Retailer 9€982 EUR
Retailer 6€1,087 EUR
Brilliant Earth€1,262 EUR

26 data points across 15 retailers

18 retailers

Retailer 1
-
€185 EUR
$207 USD
Price last confirmed 23 days ago
Retailer 2
-
€215 EUR
$240 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€226 EUR
$253 USD
View
Price last confirmed 36 days ago
Retailer 4
-
€229 EUR
$256 USD
View
Price last confirmed 28 days ago
Retailer 5
-
€229 EUR
$256 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€276 EUR
$308 USD
View
Final sale: no returns
Retailer 7
-
€322 EUR
$360 USD
View
Price last confirmed 11 days ago
Retailer 8
-
€394 EUR
ZAR 7,110 ZAR
View
Price last confirmed 23 days ago
Retailer 9
-
€413 EUR
£363 GBP
View
Price last confirmed 19 days ago
Retailer 10
-
€490 EUR
$548 USD
View
Price last confirmed 12 days ago
Retailer 11
-
€533 EUR
£469 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
€543 EUR
$607 USD
View
Price last confirmed 8 days ago
Retailer 13
-
€737 EUR
$823 USD
View
Price last confirmed 31 days ago
Retailer 14
-
€739 EUR
$826 USD
View
Price last confirmed 15 days ago
Retailer 15
-
€930 EUR
£818 GBP
View
Price last confirmed 21 days ago
Retailer 16
-
€982 EUR
$1,098 USD
View
Price last confirmed 9 days ago
Retailer 17
-
€1,087 EUR
$1,214 USD
View
Price last confirmed 20 days ago
Most Expensive
Brilliant Earth
17397469A · Oct 18
€1,262 EUR
$1,410 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from €276 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
€276 EUR