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Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG634443011

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

Certificate IGI LG634443011

Diamond specifications and retailer prices

From $426 AUD
$299 USD
As of October 30, 2026
Save $984 AUD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,409 AUD at Rare Carat · As of October 24, 2026
View at Rare Carat

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634443011 or 634443011. Listed at 3 retailers as of October 24, 2026, with prices from $426 to $1,409, a $984 spread on the same certified stone. Rare Carat lists it at $1,409. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634443011
Dimensions7.85 × 5.19 × 3.53 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.85 mm5.19 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634443011
Side View
Table 65.0%Crown 44.4°Girdle: MediumPavilion 34.3°Culet: NoneDepth 68.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,409 AUD|Low: $219 AUD|High: $2,648 AUD|Avg: $1,081 AUD|-0.1%
Rare Carat
Retailer 2
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October 18, 2026
Retailer 14$219 AUD
Retailer 10$426 AUD
Retailer 7$528 AUD
Retailer 12$654 AUD
Retailer 6$715 AUD
Retailer 2$756 AUD
Retailer 3$792 AUD
Retailer 15$846 AUD
Retailer 11$903 AUD
Retailer 8$1,191 AUD
Rare Carat$1,409 AUD
Retailer 4$1,455 AUD
Retailer 16$1,475 AUD
Retailer 9$1,637 AUD
Retailer 5$1,669 AUD
Retailer 13$2,648 AUD

7 data points across 16 retailers

3 retailers$426 AUD to $1,409 AUD

B+
Cheapest Retailer
-
$426 AUD
$299 USD
Retailer 2
-
$756 AUD
$531 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Rare Carat
A13-26 · Oct 21
$1,409 AUD
$990 USD
View
2 more retailers have this diamond
Prices start from $426 AUDSave up to $984 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.

B+
1.23ct Radiant
$426 AUD