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Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG809647521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809647521

Diamond specifications and retailer prices

From €163 EUR
$183 USD
As of November 1, 2026
Save €978 EUR (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,141 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG809647521 or 809647521. Listed at 21 retailers as of November 1, 2026, with prices from €163 to €1,141, a €978 spread on the same certified stone. Brilliant Earth lists it at €1,141. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809647521
Dimensions6.51 × 6.54 × 3.96 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
6.51 mm6.54 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809647521
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Nov 1
Current: €1,141 EUR|Low: €163 EUR|High: €1,649 EUR|Avg: €507 EUR|-30.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
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Retailer 11
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 5€163 EUR
Retailer 3€189 EUR
Retailer 9€202 EUR
Retailer 10€202 EUR
Retailer 11€272 EUR
Retailer 13€326 EUR
Retailer 2€345 EUR
Retailer 17€349 EUR
Retailer 16€364 EUR
Retailer 4€418 EUR
Retailer 19€468 EUR
Retailer 20€481 EUR
Retailer 7€482 EUR
Retailer 15€493 EUR
Retailer 12€553 EUR
Retailer 21€644 EUR
Retailer 6€650 EUR
Retailer 8€698 EUR
Retailer 14€807 EUR
Retailer 18€944 EUR
Brilliant Earth€1,141 EUR

33 data points across 21 retailers

21 retailers€163 EUR to €1,141 EUR

A
Cheapest Retailer
-
€163 EUR
$183 USD
A
Retailer 2
-
€189 EUR
$212 USD
View
A
Retailer 3
-
€202 EUR
$227 USD
View
Retailer 4
-
€202 EUR
$227 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€272 EUR
$305 USD
View
A
Retailer 6
-
€326 EUR
£288 GBP
View
A
Retailer 7
-
€345 EUR
View
A
Retailer 8
-
€349 EUR
ZAR 6,320 ZAR
View
A
Retailer 9
-
€364 EUR
£321 GBP
View
B+
Retailer 10
-
€418 EUR
$469 USD
View
B+
Retailer 11
-
€468 EUR
A$808 AUD
View
B+
Retailer 12
-
€481 EUR
$539 USD
View
B+
Retailer 13
-
€482 EUR
$541 USD
View
B+
Retailer 14
-
€493 EUR
A$850 AUD
View
B+
Retailer 15
-
€553 EUR
SGD 838 SGD
View
B+
Retailer 16
-
€644 EUR
A$1,111 AUD
View
B+
Retailer 17
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€650 EUR
$729 USD
View
B
Retailer 18
-
€698 EUR
$783 USD
View
Retailer 19
-
€807 EUR
$905 USD
View
Price last confirmed 26 days ago
B
Retailer 20
-
€944 EUR
£834 GBP
View
Most Expensive
B
Brilliant Earth
20254937A · Nov 2
€1,141 EUR
$1,280 USD
View
20 more retailers have this diamond
Prices start from €163 EURSave up to €978 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
1.03ct Round
€163 EUR