Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825656718

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825656718

Diamond specifications and retailer prices

From €228 EUR
$255 USD
As of October 30, 2026
Save €919 EUR (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,262 EUR at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825656718 or 825656718. Listed at 21 retailers as of October 30, 2026, with a 403% 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

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656718
Dimensions6.44 × 6.46 × 3.93 mm
L/W Ratio1.00
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
6.44 mm6.46 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656718
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.9%

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 30
Current: €1,110 EUR|Low: €228 EUR|High: €1,262 EUR|Avg: €652 EUR|-12.1%
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
October 31, 2026
Retailer 14€228 EUR
Retailer 10€356 EUR
Retailer 8€409 EUR
Retailer 13€423 EUR
Retailer 9€424 EUR
Retailer 12€434 EUR
Retailer 2€471 EUR
Retailer 3€548 EUR
Retailer 7€656 EUR
Retailer 4€859 EUR
Retailer 6€886 EUR
Retailer 5€1,061 EUR
Brilliant Earth€1,110 EUR
Retailer 11€1,147 EUR

28 data points across 14 retailers

21 retailers€228 EUR to €1,147 EUR

Retailer 1
-
€213 EUR
$238 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€228 EUR
$255 USD
View
Final sale: no returns
Retailer 3
-
€247 EUR
$276 USD
View
Price last confirmed 22 days ago
Retailer 4
-
€264 EUR
$295 USD
View
Price last confirmed 19 days ago
Retailer 5
-
€264 EUR
$295 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€356 EUR
$398 USD
View
A
Retailer 7
-
€409 EUR
£360 GBP
View
A
Retailer 8
-
€423 EUR
$473 USD
View
A
Retailer 9
-
€424 EUR
View
A
Retailer 10
-
€434 EUR
ZAR 7,835 ZAR
View
A
Retailer 11
-
€471 EUR
£414 GBP
View
B+
Retailer 12
-
€548 EUR
$613 USD
View
B+
Retailer 13
-
€656 EUR
$733 USD
View
Retailer 14
-
€849 EUR
$949 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
€859 EUR
$960 USD
View
B+
Retailer 16
-
€886 EUR
$990 USD
View
B
Retailer 17
-
€1,061 EUR
£933 GBP
View
B
Retailer 18
-
€1,110 EUR
$1,240 USD
View
B
Retailer 19
-
€1,147 EUR
$1,282 USD
View
Retailer 20
-
€1,262 EUR
$1,410 USD
View
Price last confirmed 33 days ago
Most Expensive
Brilliant Earth
21583972A · Sep 28
€1,262 EUR
$1,410 USD
View
Price last confirmed 33 days ago
20 more retailers have this diamond
Prices start from €228 EURSave up to €919 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
1.00ct Round
€228 EUR