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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 $1,329 USD
As of November 1, 2026
Save $4,176 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,505 USD 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 $1,329 to $5,505, a $4,176 spread on the same certified stone. Rare Carat lists it at $5,505. 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: $5,505 USD|Low: $1,329 USD|High: $20,787 USD|Avg: $4,899 USD
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$1,329 USD
Retailer 2$1,376 USD
Retailer 11$1,446 USD
Retailer 3$1,542 USD
Retailer 14$1,715 USD
Retailer 4$1,818 USD
Retailer 16$2,067 USD
Retailer 9$2,166 USD
Retailer 10$2,437 USD
Retailer 15$2,483 USD
Retailer 12$2,874 USD
Retailer 6$2,890 USD
Retailer 5$5,372 USD
Rare Carat$5,505 USD
Retailer 8$15,280 USD
Retailer 7$20,787 USD

6 data points across 16 retailers

14 retailers$1,329 USD to $5,505 USD

A
Cheapest Retailer
-
$1,329 USD
A
Retailer 2
-
$1,376 USD
£1,083 GBP
View
A
Retailer 3
-
$1,446 USD
View
A
Retailer 4
-
$1,542 USD
View
A
Retailer 5
-
$1,715 USD
View
A
Retailer 6
-
$1,818 USD
HK$14,200 HKD
View
A
Retailer 7
-
$2,067 USD
View
A
Retailer 8
-
$2,166 USD
£1,705 GBP
View
B+
Retailer 9
-
$2,437 USD
View
A
Retailer 10
-
$2,483 USD
€2,365 EUR
View
B+
Retailer 11
-
$2,874 USD
View
B+
Retailer 12
-
$2,890 USD
View
B
Retailer 13
-
$5,372 USD
View
Most Expensive
B
Rare Carat
KI1463081KF583 · Oct 28
$5,505 USD
View
13 more retailers have this diamond
Prices start from $1,329 USDSave up to $4,176 USD

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
$1,329 USD