Round|Lab Grown|IGI

1.00ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG837677766

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837677766

Diamond specifications and retailer prices

From €269 EUR
$300 USD
As of October 30, 2026
Save €895 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,164 EUR at Brilliant Earth · As of October 30, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837677766 or 837677766. Listed at 10 retailers as of October 30, 2026, with prices from €269 to €1,164, a €895 spread on the same certified stone. Brilliant Earth lists it at €1,164. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677766
Dimensions6.45 × 6.40 × 3.97 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
6.45 mm6.40 mm1.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677766
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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: €1,164 EUR|Low: €269 EUR|High: €1,540 EUR|Avg: €594 EUR|-24.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9€269 EUR
Retailer 2€336 EUR
Retailer 3€355 EUR
Retailer 7€399 EUR
Retailer 6€412 EUR
Retailer 4€627 EUR
Retailer 8€685 EUR
Retailer 10€779 EUR
Retailer 5€926 EUR
Brilliant Earth€1,164 EUR

41 data points across 10 retailers

10 retailers€269 EUR to €1,164 EUR

A
Cheapest Retailer
-
€269 EUR
$300 USD
A
Retailer 2
-
€336 EUR
View
A
Retailer 3
-
€355 EUR
£312 GBP
View
B+
Retailer 4
-
€399 EUR
$446 USD
View
B+
Retailer 5
-
€412 EUR
$460 USD
View
B+
Retailer 6
-
€627 EUR
A$1,078 AUD
View
B
Retailer 7
-
€685 EUR
$765 USD
View
B
Retailer 8
-
€779 EUR
$870 USD
View
B
Retailer 9
-
€926 EUR
£815 GBP
View
Most Expensive
B
Brilliant Earth
21381500A · Oct 30
€1,164 EUR
$1,300 USD
View
9 more retailers have this diamond
Prices start from €269 EURSave up to €895 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
€269 EUR