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Round|Lab Grown|IGI

1.01ct E I1 Round Lab Grown Diamond

ID • E/I1 • IGI LG620494057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620494057

Diamond specifications and retailer prices

From €131 EUR
$146 USD
As of October 29, 2026
Save €419 EUR (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €550 EUR at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG620494057 or 620494057. Listed at 9 retailers as of October 29, 2026, with prices from €131 to €550, a €419 spread on the same certified stone. Friendly Diamonds lists it at €550. 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
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620494057
Dimensions6.41 × 6.44 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.41 mm6.44 mm1.01 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620494057
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

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 29
Current: €550 EUR|Low: €131 EUR|High: €550 EUR|Avg: €295 EUR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3€131 EUR
Retailer 2€151 EUR
Retailer 9€162 EUR
Retailer 7€183 EUR
Retailer 4€284 EUR
Retailer 6€300 EUR
Retailer 5€380 EUR
Retailer 8€520 EUR
Friendly Diamonds€550 EUR

4 data points across 9 retailers

9 retailers€131 EUR to €550 EUR

A
Cheapest Retailer
-
€131 EUR
$146 USD
A
Retailer 2
-
€151 EUR
$169 USD
View
A
Retailer 3
-
€162 EUR
$181 USD
View
A
Retailer 4
-
€183 EUR
HK$1,600 HKD
View
B+
Retailer 5
-
€284 EUR
View
B+
Retailer 6
-
€300 EUR
$335 USD
View
B+
Retailer 7
-
€380 EUR
$425 USD
View
B+
Retailer 8
-
€520 EUR
$581 USD
View
Most Expensive
B+
Friendly Diamonds
6559770 · Oct 30
€550 EUR
$614 USD
View
8 more retailers have this diamond
Prices start from €131 EURSave up to €419 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 Round
€131 EUR