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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG812620843

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812620843

Diamond specifications and retailer prices

From €223 EUR
$249 USD
As of October 30, 2026
Save €1,057 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,280 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct 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 LG812620843 or 812620843. Listed at 19 retailers as of October 30, 2026, with prices from €223 to €1,280, a €1,057 spread on the same certified stone. Brilliant Earth lists it at €1,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620843
Dimensions6.54 × 6.95 × 3.99 mm
L/W Ratio1.06
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
6.54 mm6.95 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620843
Side View
Table 57.0%Crown 36.4°Girdle: STK-VTKPavilion 37.5°Culet: NoneDepth 57.4%

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: Oct 30
Current: €1,280 EUR|Low: €167 EUR|High: €1,468 EUR|Avg: €641 EUR|-12.8%
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€223 EUR
Retailer 6€262 EUR
Retailer 13€349 EUR
Retailer 7€414 EUR
Retailer 10€425 EUR
Retailer 2€461 EUR
Retailer 14€535 EUR
Retailer 12€543 EUR
Retailer 11€604 EUR
Retailer 8€641 EUR
Retailer 3€843 EUR
Retailer 9€997 EUR
Retailer 5€1,134 EUR
Brilliant Earth€1,280 EUR

40 data points across 14 retailers

19 retailers€223 EUR to €1,280 EUR

Retailer 1
-
€200 EUR
$223 USD
Price last confirmed 23 days ago
A
Retailer 2
-
€223 EUR
$249 USD
View
Final sale: no returns
Retailer 3
-
€238 EUR
$266 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€248 EUR
$277 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€248 EUR
$277 USD
View
Price last confirmed 20 days ago
Retailer 6
-
€259 EUR
$289 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
€349 EUR
$390 USD
View
A
Retailer 8
-
€414 EUR
View
A
Retailer 9
-
€425 EUR
ZAR 7,674 ZAR
View
A
Retailer 10
-
€461 EUR
£406 GBP
View
B+
Retailer 11
-
€535 EUR
$598 USD
View
B+
Retailer 12
-
€543 EUR
$607 USD
View
B+
Retailer 13
-
€604 EUR
A$1,038 AUD
View
B+
Retailer 14
-
€641 EUR
$716 USD
View
Retailer 15
-
€796 EUR
$889 USD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
€843 EUR
$942 USD
View
B
Retailer 17
-
€997 EUR
£877 GBP
View
B
Retailer 18
-
€1,134 EUR
$1,267 USD
View
Most Expensive
B
Brilliant Earth
20896351A · Oct 31
€1,280 EUR
$1,430 USD
View
18 more retailers have this diamond
Prices start from €223 EURSave up to €1,057 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
1.05ct Heart
€223 EUR