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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG846663320

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

Certificate IGI LG846663320

Diamond specifications and retailer prices

From $358 AUD
As of November 3, 2026
Save $1,177 AUD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,535 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846663320 or 846663320. Listed at 9 retailers as of November 1, 2026, with prices from $358 to $1,535, a $1,177 spread on the same certified stone. MOH London lists it at $1,535. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663320
Dimensions7.54 × 5.35 × 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
7.54 mm5.35 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663320
Side View
Table 63.0%Crown 39.6°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 65.8%

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 3
Current: $1,535 AUD|Low: $358 AUD|High: $1,544 AUD|Avg: $915 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 5$358 AUD
Retailer 2$436 AUD
Retailer 9$654 AUD
Retailer 3$781 AUD
Retailer 7$852 AUD
Retailer 4$937 AUD
Retailer 6$1,236 AUD
Retailer 8$1,311 AUD
MOH London$1,535 AUD

9 data points across 9 retailers

9 retailers$358 AUD to $1,535 AUD

A
Cheapest Retailer
-
$358 AUD
A
Retailer 2
-
$436 AUD
View
A
Retailer 3
-
$654 AUD
View
B+
Retailer 4
-
$781 AUD
View
B+
Retailer 5
-
$852 AUD
View
B+
Retailer 6
-
$937 AUD
View
B+
Retailer 7
-
$1,236 AUD
View
B
Retailer 8
-
$1,311 AUD
View
Most Expensive
B
MOH London
LG846663320 · Nov 1
$1,535 AUD
£848 GBP
View
8 more retailers have this diamond
Prices start from $358 AUDSave up to $1,177 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
1.21ct Radiant
$358 AUD