Radiant|Lab Grown|IGI

1.01ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG667445231

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

Certificate IGI LG667445231

Diamond specifications and retailer prices

From €143 EUR
$160 USD
As of October 30, 2026
Save €1,573 EUR (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,717 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.01ct lab-grown radiant diamond

This 1.01ct 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 LG667445231 or 667445231. Listed at 21 retailers as of October 27, 2026, with prices from €143 to €1,717, a €1,573 spread on the same certified stone. Queensmith lists it at €1,717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667445231
Dimensions7.07 × 5.05 × 3.39 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
7.07 mm5.05 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667445231
Side View
Table 65.0%Crown 41.7°Girdle: MED-STKPavilion 35°Culet: NoneDepth 67.1%

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: €1,717 EUR|Low: €141 EUR|High: €1,717 EUR|Avg: €490 EUR
Queensmith
Retailer 2
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Retailer 20
October 30, 2026
Retailer 6€143 EUR
Retailer 4€160 EUR
Retailer 14€166 EUR
Retailer 17€177 EUR
Retailer 11€192 EUR
Retailer 5€208 EUR
Retailer 19€242 EUR
Retailer 10€330 EUR
Retailer 2€355 EUR
Retailer 16€384 EUR
Retailer 8€392 EUR
Retailer 13€478 EUR
Retailer 7€485 EUR
Retailer 15€630 EUR
Retailer 12€787 EUR
Retailer 3€791 EUR
Retailer 20€922 EUR
Retailer 9€950 EUR
Retailer 18€1,378 EUR
Queensmith€1,717 EUR

35 data points across 20 retailers

21 retailers€143 EUR to €1,717 EUR

A
Cheapest Retailer
-
€143 EUR
$160 USD
A
Retailer 2
-
€160 EUR
$179 USD
View
Final sale: no returns
A
Retailer 3
-
€166 EUR
$186 USD
View
A
Retailer 4
-
€177 EUR
$198 USD
View
Retailer 5
-
€192 EUR
$214 USD
View
Price last confirmed 18 days ago
Retailer 6
-
€208 EUR
£183 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
€242 EUR
$270 USD
View
Retailer 8
-
€298 EUR
HK$2,600 HKD
View
Price last confirmed 56 days ago
Retailer 9
-
€330 EUR
ZAR 5,951 ZAR
View
Price last confirmed 17 days ago
A
Retailer 10
-
€355 EUR
£313 GBP
View
A
Retailer 11
-
€384 EUR
$429 USD
View
A
Retailer 12
-
€478 EUR
A$822 AUD
View
Retailer 13
-
€485 EUR
$542 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
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€630 EUR
$704 USD
View
B+
Retailer 15
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€723 EUR
£636 GBP
View
Retailer 16
-
€787 EUR
A$1,353 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
€791 EUR
$883 USD
View
B+
Retailer 18
-
€922 EUR
£811 GBP
View
Retailer 19
-
€950 EUR
$1,062 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
€1,378 EUR
$1,540 USD
View
Most Expensive
B
Queensmith
LG667445231 · Oct 27
€1,717 EUR
£1,510 GBP
View
20 more retailers have this diamond
Prices start from €143 EURSave up to €1,573 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
1.01ct Radiant
€143 EUR