Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG627471751

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG627471751

Diamond specifications and retailer prices

From €734 EUR
£646 GBP
As of October 29, 2026
17 retailers carry this diamond
Most expensive: €1,441 EUR at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant 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 LG627471751 or 627471751. Listed at 17 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627471751
Dimensions7.27 × 5.20 × 3.25 mm
L/W Ratio1.40
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
7.27 mm5.20 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627471751
Side View
Table 68.0%Crown 40.1°Girdle: THN-MEDPavilion 34.8°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: €1,441 EUR|Low: €157 EUR|High: €1,441 EUR|Avg: €641 EUR
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
Retailer 16
October 18, 2026
Retailer 3€157 EUR
Retailer 15€235 EUR
Retailer 16€327 EUR
Retailer 9€334 EUR
Retailer 2€378 EUR
Retailer 12€391 EUR
Retailer 10€481 EUR
Retailer 7€510 EUR
Retailer 4€772 EUR
Retailer 5€781 EUR
Retailer 11€907 EUR
Retailer 14€947 EUR
Retailer 6€1,003 EUR
Retailer 8€1,091 EUR
Retailer 13€1,343 EUR
Brilliant Earth€1,441 EUR

30 data points across 16 retailers

17 retailers

Retailer 1
-
€147 EUR
$164 USD
Price last confirmed 25 days ago
Retailer 2
-
€190 EUR
$212 USD
View
Price last confirmed 26 days ago
Retailer 3
-
€235 EUR
$263 USD
View
Price last confirmed 15 days ago
Retailer 4
-
€298 EUR
HK$2,600 HKD
View
Price last confirmed 57 days ago
Retailer 5
-
€327 EUR
ZAR 5,902 ZAR
View
Price last confirmed 17 days ago
Retailer 6
-
€334 EUR
£294 GBP
View
Price last confirmed 14 days ago
Retailer 7
-
€336 EUR
£295 GBP
View
Price last confirmed 17 days ago
Retailer 8
-
€378 EUR
$422 USD
View
Price last confirmed 11 days ago
Retailer 9
-
€481 EUR
$537 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
€734 EUR
£646 GBP
View
Retailer 11
-
€772 EUR
$863 USD
View
Price last confirmed 15 days ago
Retailer 12
-
€781 EUR
A$1,342 AUD
View
Price last confirmed 22 days ago
Retailer 13
-
€907 EUR
£798 GBP
View
Price last confirmed 16 days ago
Retailer 14
-
€947 EUR
$1,058 USD
View
Price last confirmed 14 days ago
Retailer 15
-
€1,003 EUR
$1,120 USD
View
Price last confirmed 16 days ago
Retailer 16
-
€1,091 EUR
£960 GBP
View
Price last confirmed 24 days ago
Most Expensive
Brilliant Earth
14284057Y · Oct 1
€1,441 EUR
$1,610 USD
View
Price last confirmed 29 days ago
16 more retailers have this diamond
Prices start from €734 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.

B+
1.00ct Radiant
€734 EUR