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Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG844677104

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

Certificate IGI LG844677104

Diamond specifications and retailer prices

From $288 AUD
$202 USD
As of October 28, 2026
Save $1,392 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,680 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844677104 or 844677104. Listed at 9 retailers as of October 28, 2026, with prices from $288 to $1,680, a $1,392 spread on the same certified stone. Brilliant Earth lists it at $1,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844677104
Dimensions7.38 × 5.23 × 3.52 mm
L/W Ratio1.41
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
7.38 mm5.23 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844677104
Side View
Table 64.0%Crown 25.4°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 67.3%

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: Oct 28
Current: $662 AUD|Low: $288 AUD|High: $1,560 AUD|Avg: $715 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$288 AUD
Retailer 3$384 AUD
Retailer 2$504 AUD
Retailer 8$537 AUD
Retailer 1$662 AUD
Retailer 5$729 AUD
Retailer 6$1,016 AUD
Retailer 7$1,560 AUD

10 data points across 8 retailers

9 retailers$288 AUD to $1,680 AUD

A
Cheapest Retailer
-
$288 AUD
$202 USD
Final sale: no returns
A
Retailer 2
-
$384 AUD
£213 GBP
View
A
Retailer 3
-
$504 AUD
£279 GBP
View
A
Retailer 4
-
$537 AUD
$377 USD
View
A
Retailer 5
-
$662 AUD
$465 USD
View
A
Retailer 6
-
$729 AUD
View
B
Retailer 7
-
$1,016 AUD
$714 USD
View
B
Retailer 8
-
$1,560 AUD
$1,096 USD
View
Most Expensive
B
Brilliant Earth
22340661A · Oct 28
$1,680 AUD
$1,180 USD
View
8 more retailers have this diamond
Prices start from $288 AUDSave up to $1,392 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
$288 AUD