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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 €1,185 EUR
$1,329 USD
As of November 1, 2026
Save €3,723 EUR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,908 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 €1,185 to €4,908, a €3,723 spread on the same certified stone. Rare Carat lists it at €4,908. 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
Colour
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

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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: €4,908 EUR|Low: €1,185 EUR|High: €18,533 EUR|Avg: €4,368 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€1,185 EUR
Retailer 2€1,227 EUR
Retailer 11€1,289 EUR
Retailer 3€1,375 EUR
Retailer 14€1,529 EUR
Retailer 4€1,621 EUR
Retailer 16€1,843 EUR
Retailer 9€1,931 EUR
Retailer 10€2,173 EUR
Retailer 15€2,214 EUR
Retailer 12€2,562 EUR
Retailer 6€2,577 EUR
Retailer 5€4,790 EUR
Rare Carat€4,908 EUR
Retailer 8€13,623 EUR
Retailer 7€18,533 EUR

6 data points across 16 retailers

14 retailers€1,185 EUR to €4,908 EUR

A
Cheapest Retailer
-
€1,185 EUR
$1,329 USD
A
Retailer 2
-
€1,227 EUR
£1,083 GBP
View
A
Retailer 3
-
€1,289 EUR
$1,446 USD
View
A
Retailer 4
-
€1,375 EUR
$1,542 USD
View
A
Retailer 5
-
€1,529 EUR
$1,715 USD
View
A
Retailer 6
-
€1,621 EUR
HK$14,200 HKD
View
A
Retailer 7
-
€1,843 EUR
$2,067 USD
View
A
Retailer 8
-
€1,931 EUR
£1,705 GBP
View
B+
Retailer 9
-
€2,173 EUR
$2,437 USD
View
A
Retailer 10
-
€2,214 EUR
View
B+
Retailer 11
-
€2,562 EUR
$2,874 USD
View
B+
Retailer 12
-
€2,577 EUR
$2,890 USD
View
B
Retailer 13
-
€4,790 EUR
$5,372 USD
View
Most Expensive
B
Rare Carat
KI1463081KF583 · Oct 28
€4,908 EUR
$5,505 USD
View
13 more retailers have this diamond
Prices start from €1,185 EURSave up to €3,723 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
€1,185 EUR