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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 $445 NZD
As of November 3, 2026
Save $1,461 NZD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,906 NZD at MOH London · As of November 5, 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 3, 2026, with prices from $445 to $1,906, a $1,461 spread on the same certified stone. MOH London lists it at $1,906. 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: $1,906 NZD|Low: $445 NZD|High: $1,922 NZD|Avg: $1,136 NZD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$445 NZD
Retailer 2$543 NZD
Retailer 9$814 NZD
Retailer 3$972 NZD
Retailer 7$1,061 NZD
Retailer 4$1,166 NZD
Retailer 6$1,538 NZD
Retailer 8$1,632 NZD
MOH London$1,906 NZD

10 data points across 9 retailers

9 retailers$445 NZD to $1,906 NZD

A
Cheapest Retailer
-
$445 NZD
A
Retailer 2
-
$543 NZD
View
A
Retailer 3
-
$814 NZD
View
B+
Retailer 4
-
$972 NZD
View
B+
Retailer 5
-
$1,061 NZD
View
B+
Retailer 6
-
$1,166 NZD
View
B
Retailer 7
-
$1,538 NZD
View
B
Retailer 8
-
$1,632 NZD
View
Most Expensive
B
MOH London
LG846663320 · Nov 5
$1,906 NZD
£846 GBP
View
8 more retailers have this diamond
Prices start from $445 NZDSave up to $1,461 NZD

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
$445 NZD