Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

GD • F/VS1 • IGI LG638428759

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

Certificate IGI LG638428759

Diamond specifications and retailer prices

From $228 USD
As of November 5, 2026
Save $1,532 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,760 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 standard cut grade and certified by IGI LG638428759 or 638428759. Listed at 16 retailers as of November 4, 2026, with prices from $228 to $1,760, a $1,532 spread on the same certified stone. Do Amore Diamonds lists it at $1,760. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
F
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428759
Dimensions5.44 × 5.44 × 3.65 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.44 mm5.44 mm1.23 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428759
Side View
Table 63.0%Crown 46.9°Girdle: MediumPavilion 35°Culet: NoneDepth 67.1%

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 5
Current: $1,760 USD|Low: $225 USD|High: $1,760 USD|Avg: $651 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$228 USD
Retailer 9$302 USD
Retailer 3$402 USD
Retailer 8$433 USD
Retailer 2$457 USD
Retailer 4$475 USD
Retailer 6$505 USD
Retailer 7$612 USD
Retailer 11$664 USD
Retailer 10$773 USD
Retailer 5$1,170 USD
Do Amore Diamonds$1,760 USD

44 data points across 12 retailers

16 retailers$228 USD to $1,760 USD

A
Cheapest Retailer
-
$228 USD
A
Retailer 2
-
$228 USD
View
B+
Retailer 3
-
$348 USD
View
B+
Retailer 4
-
$402 USD
View
B+
Retailer 5
-
$433 USD
View
B+
Retailer 6
-
$457 USD
View
B+
Retailer 7
-
$475 USD
View
B+
Retailer 8
-
$505 USD
View
B+
Retailer 9
-
$612 USD
View
Retailer 10
-
$664 USD
View
Price last confirmed 30 days ago
B
Retailer 11
-
$739 USD
View
B
Retailer 12
-
$773 USD
View
Retailer 13
-
$808 USD
View
Price last confirmed 37 days ago
B
Retailer 14
-
$980 USD
View
B
Retailer 15
-
$1,170 USD
View
Most Expensive
C
Do Amore Diamonds
27-06BA061E7 · Nov 4
$1,760 USD
View
15 more retailers have this diamond
Prices start from $228 USDSave up to $1,532 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
$228 USD