CaratHunter
Plans
Round|Lab Grown|IGI

10.23ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG583308146

Shape and cutting style on the report: Round brilliant

Certificate IGI LG583308146

Diamond specifications and retailer prices

From €1,190 EUR
$1,329 USD
As of November 1, 2026
Save €3,738 EUR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,927 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 10.23ct lab-grown round diamond

This 10.23ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG583308146 or 583308146. Listed at 14 retailers as of October 28, 2026, with prices from €1,190 to €4,927, a €3,738 spread on the same certified stone. Rare Carat lists it at €4,927. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.23
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583308146
Dimensions14.03 × 14.13 × 8.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.03 mm14.13 mm10.23 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583308146
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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: Nov 1
Current: €4,927 EUR|Low: €1,190 EUR|High: €18,606 EUR|Avg: €4,385 EUR
Rare Carat
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 13€1,190 EUR
Retailer 2€1,232 EUR
Retailer 11€1,294 EUR
Retailer 3€1,380 EUR
Retailer 14€1,535 EUR
Retailer 4€1,627 EUR
Retailer 16€1,850 EUR
Retailer 9€1,939 EUR
Retailer 10€2,181 EUR
Retailer 15€2,223 EUR
Retailer 12€2,572 EUR
Retailer 6€2,587 EUR
Retailer 5€4,808 EUR
Rare Carat€4,927 EUR
Retailer 8€13,677 EUR
Retailer 7€18,606 EUR

6 data points across 16 retailers

14 retailers€1,190 EUR to €4,927 EUR

A
Cheapest Retailer
-
€1,190 EUR
$1,329 USD
A
Retailer 2
-
€1,232 EUR
£1,083 GBP
View
A
Retailer 3
-
€1,294 EUR
$1,446 USD
View
A
Retailer 4
-
€1,380 EUR
$1,542 USD
View
A
Retailer 5
-
€1,535 EUR
$1,715 USD
View
A
Retailer 6
-
€1,627 EUR
HK$14,200 HKD
View
A
Retailer 7
-
€1,850 EUR
$2,067 USD
View
A
Retailer 8
-
€1,939 EUR
£1,705 GBP
View
B+
Retailer 9
-
€2,181 EUR
$2,437 USD
View
A
Retailer 10
-
€2,223 EUR
View
B+
Retailer 11
-
€2,572 EUR
$2,874 USD
View
B+
Retailer 12
-
€2,587 EUR
$2,890 USD
View
B
Retailer 13
-
€4,808 EUR
$5,372 USD
View
Most Expensive
B
Rare Carat
KI1463081KF583 · Oct 28
€4,927 EUR
$5,505 USD
View
13 more retailers have this diamond
Prices start from €1,190 EURSave up to €3,738 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
10.23ct Round
€1,190 EUR