Round|Lab Grown|IGI

1.03ct F I1 Round Lab Grown Diamond

ID • F/I1 • IGI LG12463612

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12463612

Diamond specifications and retailer prices

From €278 EUR
$311 USD
As of November 1, 2026
Save €947 EUR (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,225 EUR at MOH London · As of November 1, 2026
View at MOH London

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 I1 clarity (included), with a top-tier cut grade and certified by IGI LG12463612 or 12463612. Listed at 3 retailers as of November 1, 2026, with prices from €278 to €1,225, a €947 spread on the same certified stone. MOH London lists it at €1,225. 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
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12463612
Dimensions6.49 × 6.53 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.49 mm6.53 mm1.03 ctF / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12463612
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,225 EUR|Low: €199 EUR|High: €1,240 EUR|Avg: €620 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€278 EUR
Retailer 3€368 EUR
MOH London€1,225 EUR

12 data points across 3 retailers

3 retailers€278 EUR to €1,225 EUR

B+
Cheapest Retailer
-
€278 EUR
$311 USD
B+
Retailer 2
-
€368 EUR
$411 USD
View
Most Expensive
B+
MOH London
LG12463612 · Nov 1
€1,225 EUR
£1,078 GBP
View
2 more retailers have this diamond
Prices start from €278 EURSave up to €947 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.

B+
1.03ct Round
€278 EUR