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Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG623483179

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG623483179

Diamond specifications and retailer prices

From $345 AUD
As of November 6, 2026
Save $1,648 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,993 AUD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623483179 or 623483179. Listed at 16 retailers as of November 6, 2026, with prices from $345 to $1,993, a $1,648 spread on the same certified stone. Taylor and Hart lists it at $1,993. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623483179
Dimensions7.54 × 5.37 × 3.51 mm
L/W Ratio1.40
Culet sizePointed
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
7.54 mm5.37 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623483179
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
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 6
Current: $700 AUD|Low: $246 AUD|High: $1,993 AUD|Avg: $1,007 AUD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 5, 2026
Retailer 11$345 AUD
Retailer 10$656 AUD
Retailer 5$659 AUD
Retailer 2$665 AUD
Retailer 7$696 AUD
Retailer 1$700 AUD
Retailer 4$934 AUD
Retailer 9$982 AUD
Retailer 8$1,233 AUD
Retailer 6$1,531 AUD
Retailer 3$1,549 AUD
Taylor and Hart$1,993 AUD

41 data points across 12 retailers

16 retailers$345 AUD to $1,993 AUD

A
Cheapest Retailer
-
$345 AUD
Final sale: no returns
Retailer 2
-
$358 AUD
View
Price last confirmed 41 days ago
Retailer 3
-
$383 AUD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$656 AUD
View
A
Retailer 5
-
$659 AUD
View
A
Retailer 6
-
$665 AUD
View
A
Retailer 7
-
$696 AUD
View
A
Retailer 8
-
$700 AUD
View
B+
Retailer 9
-
$934 AUD
View
Retailer 10
-
$982 AUD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$1,147 AUD
View
Retailer 12
-
$1,230 AUD
View
Price last confirmed 38 days ago
B
Retailer 13
-
$1,233 AUD
View
B
Retailer 14
-
$1,531 AUD
View
B
Retailer 15
-
$1,549 AUD
View
Most Expensive
B
Taylor and Hart
J5465LD · Nov 6
$1,993 AUD
$1,370 USD
View
15 more retailers have this diamond
Prices start from $345 AUDSave up to $1,648 AUD

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
1.23ct Radiant
$345 AUD