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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840634995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634995

Diamond specifications and retailer prices

From €194 EUR
$217 USD
As of October 29, 2026
Save €1,422 EUR (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,617 EUR at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 LG840634995 or 840634995. Listed at 21 retailers as of October 29, 2026, with prices from €194 to €1,617, a €1,422 spread on the same certified stone. Helzberg Diamonds lists it at €1,617. 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 LG840634995
Dimensions6.39 × 6.44 × 3.92 mm
L/W Ratio1.01
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
6.39 mm6.44 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634995
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: €1,617 EUR|Low: €194 EUR|High: €1,617 EUR|Avg: €612 EUR
Helzberg Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 6€194 EUR
Retailer 3€218 EUR
Retailer 20€226 EUR
Retailer 11€241 EUR
Retailer 18€241 EUR
Retailer 15€390 EUR
Retailer 16€407 EUR
Retailer 4€414 EUR
Retailer 17€414 EUR
Retailer 7€420 EUR
Retailer 2€446 EUR
Retailer 10€450 EUR
Retailer 9€655 EUR
Retailer 12€775 EUR
Retailer 5€778 EUR
Retailer 8€822 EUR
Retailer 21€832 EUR
Retailer 14€886 EUR
Retailer 19€967 EUR
Retailer 13€1,110 EUR
Helzberg Diamonds€1,617 EUR

13 data points across 21 retailers

21 retailers€194 EUR to €1,617 EUR

A
Cheapest Retailer
-
€194 EUR
$217 USD
A
Retailer 2
-
€218 EUR
$243 USD
View
Final sale: no returns
A
Retailer 3
-
€226 EUR
$252 USD
View
A
Retailer 4
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€241 EUR
$269 USD
View
A
Retailer 5
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€241 EUR
$269 USD
View
A
Retailer 6
-
€390 EUR
£343 GBP
View
A
Retailer 7
-
€407 EUR
View
A
Retailer 8
-
€414 EUR
$462 USD
View
A
Retailer 9
-
€414 EUR
ZAR 7,477 ZAR
View
A
Retailer 10
-
€420 EUR
$469 USD
View
A
Retailer 11
-
€446 EUR
£393 GBP
View
A
Retailer 12
-
€450 EUR
$503 USD
View
B+
Retailer 13
-
€655 EUR
SGD 989 SGD
View
B+
Retailer 14
-
€775 EUR
$866 USD
View
B+
Retailer 15
-
€778 EUR
$869 USD
View
B+
Retailer 16
-
€822 EUR
$919 USD
View
B+
Retailer 17
-
€832 EUR
$930 USD
View
B
Retailer 18
-
€886 EUR
$990 USD
View
B
Retailer 19
-
€967 EUR
£851 GBP
View
B
Retailer 20
-
€1,110 EUR
$1,240 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKPPL · Oct 30
€1,617 EUR
$1,806 USD
View
20 more retailers have this diamond
Prices start from €194 EURSave up to €1,422 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
€194 EUR