Radiant|Lab Grown|IGI

11.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG620445939

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

Certificate IGI LG620445939

Diamond specifications and retailer prices

From $2,434 AUD
$1,706 USD
As of November 2, 2026
Save $12,605 AUD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,040 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.23ct lab-grown radiant diamond

This 11.23ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620445939 or 620445939. Listed at 21 retailers as of November 2, 2026, with prices from $2,434 to $15,040, a $12,605 spread on the same certified stone. Brilliant Earth lists it at $15,040. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.23
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620445939
Dimensions15.76 × 10.97 × 7.45 mm
L/W Ratio1.44
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
15.76 mm10.97 mm11.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620445939
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $15,040 AUD|Low: $2,280 AUD|High: $18,179 AUD|Avg: $5,519 AUD|-17.3%
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 11
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Retailer 21
November 2, 2026
Retailer 21$2,280 AUD
Retailer 3$2,434 AUD
Retailer 18$2,648 AUD
Retailer 8$2,725 AUD
Retailer 5$2,824 AUD
Retailer 6$2,824 AUD
Retailer 17$3,068 AUD
Retailer 11$3,673 AUD
Retailer 13$3,970 AUD
Retailer 16$4,371 AUD
Retailer 9$4,435 AUD
Retailer 2$4,588 AUD
Retailer 19$4,869 AUD
Retailer 15$5,232 AUD
Retailer 4$5,292 AUD
Retailer 14$5,850 AUD
Retailer 10$7,610 AUD
Retailer 20$8,140 AUD
Retailer 7$8,162 AUD
Retailer 12$10,462 AUD
Brilliant Earth$15,040 AUD

42 data points across 21 retailers

21 retailers$2,434 AUD to $15,040 AUD

Retailer 1
-
$2,280 AUD
£1,258 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$2,434 AUD
$1,706 USD
View
A
Retailer 3
-
$2,648 AUD
$1,856 USD
View
A
Retailer 4
-
$2,824 AUD
$1,979 USD
View
Retailer 5
-
$2,824 AUD
$1,979 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$3,068 AUD
$2,150 USD
View
A
Retailer 7
-
$3,673 AUD
$2,574 USD
View
A
Retailer 8
-
$3,970 AUD
£2,191 GBP
View
A
Retailer 9
-
$4,371 AUD
ZAR 49,491 ZAR
View
B+
Retailer 10
-
$4,435 AUD
$3,108 USD
View
A
Retailer 11
-
$4,588 AUD
€3,062 EUR
View
A
Retailer 12
-
$4,869 AUD
$3,412 USD
View
A
Retailer 13
-
$5,232 AUD
View
A
Retailer 14
-
$5,292 AUD
$3,709 USD
View
B+
Retailer 15
-
$5,850 AUD
£3,228 GBP
View
B+
Retailer 16
-
$7,610 AUD
$5,333 USD
View
Retailer 17
-
$8,140 AUD
$5,705 USD
View
Price last confirmed 12 days ago
Retailer 18
-
$8,162 AUD
$5,720 USD
View
Price last confirmed 22 days ago
B
Retailer 19
-
$9,907 AUD
$6,943 USD
View
B
Retailer 20
-
$10,462 AUD
$7,332 USD
View
Most Expensive
B
Brilliant Earth
9243981A · Nov 2
$15,040 AUD
$10,540 USD
View
20 more retailers have this diamond
Prices start from $2,434 AUDSave up to $12,605 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
11.23ct Radiant
$2,434 AUD