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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG654433586

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

Certificate IGI LG654433586

Diamond specifications and retailer prices

From $323 NZD
As of November 4, 2026
Save $2,782 NZD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,105 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG654433586 or 654433586. Listed at 29 retailers as of November 4, 2026, with prices from $323 to $3,105, a $2,782 spread on the same certified stone. Do Amore Diamonds lists it at $3,105. 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 angle41.1°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654433586
Dimensions7.78 × 5.25 × 3.37 mm
L/W Ratio1.48
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
7.78 mm5.25 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654433586
Side View
Table 62.0%Crown 41.1°Girdle: MediumPavilion 32.9°Culet: NoneDepth 64.2%

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: Nov 4
Current: $802 NZD|Low: $323 NZD|High: $2,306 NZD|Avg: $1,126 NZD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3$323 NZD
Retailer 2$365 NZD
Retailer 4$624 NZD
Retailer 9$750 NZD
Retailer 7$761 NZD
Retailer 1$802 NZD
Retailer 5$839 NZD
Retailer 6$1,077 NZD
Retailer 13$1,359 NZD
Retailer 11$1,648 NZD
Retailer 12$1,880 NZD
Retailer 10$2,022 NZD
Retailer 8$2,065 NZD

45 data points across 13 retailers

29 retailers$323 NZD to $3,105 NZD

A
Cheapest Retailer
-
$323 NZD
Retailer 2
-
$323 NZD
View
Price last confirmed 28 days ago
Retailer 3
-
$323 NZD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$365 NZD
View
Final sale: no returns
Retailer 5
-
$374 NZD
View
Price last confirmed 39 days ago
Retailer 6
-
$396 NZD
View
Price last confirmed 37 days ago
Retailer 7
-
$401 NZD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$624 NZD
View
A
Retailer 9
-
$635 NZD
View
A
Retailer 10
-
$750 NZD
View
A
Retailer 11
-
$761 NZD
View
A
Retailer 12
-
$797 NZD
View
A
Retailer 13
-
$802 NZD
View
A
Retailer 14
-
$839 NZD
View
B+
Retailer 15
-
$944 NZD
View
B+
Retailer 16
-
$1,077 NZD
View
B+
Retailer 17
-
$1,359 NZD
View
B+
Retailer 18
-
$1,421 NZD
View
Retailer 19
-
$1,421 NZD
View
Price last confirmed 26 days ago
Retailer 20
-
$1,421 NZD
View
Price last confirmed 36 days ago
B
Retailer 21
-
$1,648 NZD
View
Retailer 22
-
$1,648 NZD
View
Price last confirmed 7 days ago
B
Retailer 23
-
$1,726 NZD
View
B
Retailer 24
-
$1,866 NZD
View
Retailer 25
-
$1,880 NZD
View
Price last confirmed 18 days ago
B
Retailer 26
-
$2,017 NZD
View
B
Retailer 27
-
$2,022 NZD
View
B
Retailer 28
-
$2,065 NZD
View
Most Expensive
B
Do Amore Diamonds
27-9F2422135 · Nov 4
$3,105 NZD
$1,750 USD
View
28 more retailers have this diamond
Prices start from $323 NZDSave up to $2,782 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
$323 NZD