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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG662408448

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662408448

Diamond specifications and retailer prices

From €180 EUR
$201 USD
As of October 29, 2026
Save €892 EUR (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,208 EUR at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG662408448 or 662408448. Listed at 24 retailers as of October 29, 2026, with a 496% 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

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408448
Dimensions6.51 × 6.54 × 4.06 mm
L/W Ratio1.00
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
6.51 mm6.54 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408448
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 29
Current: €1,208 EUR|Low: €180 EUR|High: €1,208 EUR|Avg: €497 EUR
Brilliant Earth
Retailer 2
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Retailer 23
October 30, 2026
Retailer 5€180 EUR
Retailer 14€201 EUR
Retailer 22€209 EUR
Retailer 3€223 EUR
Retailer 21€224 EUR
Retailer 16€252 EUR
Retailer 9€303 EUR
Retailer 2€362 EUR
Retailer 17€376 EUR
Retailer 19€383 EUR
Retailer 13€408 EUR
Retailer 11€437 EUR
Retailer 8€449 EUR
Retailer 7€488 EUR
Retailer 23€541 EUR
Retailer 20€546 EUR
Retailer 15€607 EUR
Retailer 18€710 EUR
Retailer 4€718 EUR
Retailer 12€766 EUR
Retailer 6€1,049 EUR
Retailer 10€1,072 EUR
Brilliant Earth€1,208 EUR

28 data points across 23 retailers

24 retailers€180 EUR to €1,072 EUR

A
Cheapest Retailer
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€180 EUR
$201 USD
A
Retailer 2
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€201 EUR
$224 USD
View
Final sale: no returns
A
Retailer 3
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€209 EUR
$233 USD
View
A
Retailer 4
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€223 EUR
$249 USD
View
A
Retailer 5
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€224 EUR
$250 USD
View
A
Retailer 6
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€252 EUR
HK$2,200 HKD
View
A
Retailer 7
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€303 EUR
$338 USD
View
A
Retailer 8
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€362 EUR
£318 GBP
View
A
Retailer 9
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€376 EUR
View
A
Retailer 10
-
€383 EUR
ZAR 6,921 ZAR
View
A
Retailer 11
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€408 EUR
£359 GBP
View
A
Retailer 12
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€437 EUR
$488 USD
View
A
Retailer 13
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€449 EUR
$502 USD
View
B+
Retailer 14
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€488 EUR
A$838 AUD
View
Retailer 15
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€541 EUR
$604 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
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€546 EUR
A$938 AUD
View
B+
Retailer 17
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€574 EUR
$641 USD
View
B+
Retailer 18
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€607 EUR
SGD 917 SGD
View
B+
Retailer 19
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€710 EUR
A$1,221 AUD
View
B+
Retailer 20
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€718 EUR
$802 USD
View
B+
Retailer 21
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€766 EUR
$855 USD
View
B
Retailer 22
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€1,049 EUR
£923 GBP
View
B
Retailer 23
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€1,072 EUR
$1,197 USD
View
Most Expensive
Brilliant Earth
12256353A · Oct 21
€1,208 EUR
$1,350 USD
View
Price last confirmed 9 days ago
23 more retailers have this diamond
Prices start from €180 EURSave up to €892 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 Round
€180 EUR