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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 $237 USD
As of November 6, 2026
Save $1,133 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,370 USD 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 $237 to $1,370, a $1,133 spread on the same certified stone. Taylor and Hart lists it at $1,370. 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
Color
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: $481 USD|Low: $169 USD|High: $1,370 USD|Avg: $692 USD|+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$237 USD
Retailer 10$451 USD
Retailer 5$453 USD
Retailer 2$457 USD
Retailer 7$478 USD
Retailer 1$481 USD
Retailer 4$642 USD
Retailer 9$675 USD
Retailer 8$847 USD
Retailer 6$1,052 USD
Retailer 3$1,064 USD
Taylor and Hart$1,370 USD

41 data points across 12 retailers

16 retailers$237 USD to $1,370 USD

A
Cheapest Retailer
-
$237 USD
Final sale: no returns
Retailer 2
-
$246 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$263 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
$451 USD
View
A
Retailer 5
-
$453 USD
View
A
Retailer 6
-
$457 USD
View
A
Retailer 7
-
$478 USD
View
A
Retailer 8
-
$481 USD
View
B+
Retailer 9
-
$642 USD
View
Retailer 10
-
$675 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$788 USD
View
Retailer 12
-
$845 USD
View
Price last confirmed 38 days ago
B
Retailer 13
-
$847 USD
View
B
Retailer 14
-
$1,052 USD
View
B
Retailer 15
-
$1,064 USD
View
Most Expensive
B
Taylor and Hart
J5465LD · Nov 6
$1,370 USD
View
15 more retailers have this diamond
Prices start from $237 USDSave up to $1,133 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
1.23ct Radiant
$237 USD