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Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG577376752

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

Certificate IGI LG577376752

Diamond specifications and retailer prices

From $178 USD
As of November 2, 2026
Save $1,532 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,710 USD at Do Amore Diamonds · As of November 2, 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 top-tier cut grade and certified by IGI LG577376752 or 577376752. Listed at 11 retailers as of November 2, 2026, with prices from $178 to $1,710, a $1,532 spread on the same certified stone. Do Amore Diamonds lists it at $1,710. 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 angle45.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577376752
Dimensions7.69 × 5.19 × 3.48 mm
L/W Ratio1.48
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
7.69 mm5.19 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577376752
Side View
Table 65.0%Crown 45.2°Girdle: MediumPavilion 34.2°Culet: NoneDepth 67.1%

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 2
Current: $1,710 USD|Low: $136 USD|High: $1,710 USD|Avg: $624 USD|+1.8%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 16
November 2, 2026
Retailer 14$178 USD
Retailer 3$196 USD
Retailer 11$207 USD
Retailer 9$292 USD
Retailer 16$393 USD
Retailer 4$402 USD
Retailer 6$424 USD
Retailer 5$468 USD
Retailer 8$522 USD
Retailer 2$596 USD
Retailer 13$640 USD
Retailer 12$752 USD
Retailer 15$785 USD
Retailer 7$921 USD
Retailer 10$1,144 USD
Do Amore Diamonds$1,710 USD

27 data points across 16 retailers

11 retailers$178 USD to $1,710 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$207 USD
View
A
Retailer 4
-
$292 USD
£230 GBP
View
A
Retailer 5
-
$393 USD
View
B+
Retailer 6
-
$596 USD
A$917 AUD
View
Retailer 7
-
$640 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
$752 USD
View
B
Retailer 9
-
$785 USD
View
Retailer 10
-
$1,144 USD
£901 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-929EC78A2 · Nov 2
$1,710 USD
View
10 more retailers have this diamond
Prices start from $178 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
$178 USD