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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 $259 AUD
As of November 6, 2026
Save $2,230 AUD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,489 AUD 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 $259 to $2,489, a $2,230 spread on the same certified stone. Do Amore Diamonds lists it at $2,489. 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 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

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: $2,489 AUD|Low: $245 AUD|High: $2,489 AUD|Avg: $904 AUD|+1.8%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 14$259 AUD
Retailer 3$285 AUD
Retailer 12$301 AUD
Retailer 10$425 AUD
Retailer 16$572 AUD
Retailer 4$584 AUD
Retailer 6$616 AUD
Retailer 5$681 AUD
Retailer 2$735 AUD
Retailer 8$760 AUD
Retailer 9$867 AUD
Retailer 13$1,094 AUD
Retailer 15$1,142 AUD
Retailer 7$1,340 AUD
Retailer 11$1,665 AUD
Do Amore Diamonds$2,489 AUD

27 data points across 16 retailers

11 retailers$259 AUD to $2,489 AUD

A
Cheapest Retailer
-
$259 AUD
A
Retailer 2
-
$285 AUD
View
Final sale: no returns
A
Retailer 3
-
$301 AUD
View
A
Retailer 4
-
$425 AUD
View
A
Retailer 5
-
$572 AUD
View
A
Retailer 6
-
$735 AUD
View
B+
Retailer 7
-
$867 AUD
View
B
Retailer 8
-
$1,094 AUD
View
B
Retailer 9
-
$1,142 AUD
View
Retailer 10
-
$1,665 AUD
View
Price last confirmed 13 days ago
Most Expensive
B
Do Amore Diamonds
27-929EC78A2 · Nov 2
$2,489 AUD
$1,710 USD
View
10 more retailers have this diamond
Prices start from $259 AUDSave up to $2,230 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
$259 AUD