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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG754507800

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

Certificate IGI LG754507800

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)
24 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 LG754507800 or 754507800. Listed at 24 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 angle47.1°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507800
Dimensions7.83 × 5.23 × 3.44 mm
L/W Ratio1.50
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
7.83 mm5.23 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507800
Side View
Table 60.0%Crown 47.1°Girdle: MediumPavilion 31.7°Culet: NoneDepth 65.8%

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: $3,105 NZD|Low: $310 NZD|High: $3,105 NZD|Avg: $1,171 NZD
Do Amore Diamonds
Retailer 2
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Retailer 18
November 5, 2026
Retailer 5$323 NZD
Retailer 10$365 NZD
Retailer 17$374 NZD
Retailer 3$401 NZD
Retailer 4$506 NZD
Retailer 9$624 NZD
Retailer 14$750 NZD
Retailer 12$761 NZD
Retailer 2$802 NZD
Retailer 11$1,077 NZD
Retailer 7$1,359 NZD
Retailer 6$1,421 NZD
Retailer 16$1,648 NZD
Retailer 18$1,880 NZD
Retailer 8$2,017 NZD
Retailer 15$2,022 NZD
Retailer 13$2,065 NZD
Do Amore Diamonds$3,105 NZD

40 data points across 18 retailers

24 retailers$323 NZD to $3,105 NZD

A
Cheapest Retailer
-
$323 NZD
A
Retailer 2
-
$365 NZD
View
Final sale: no returns
A
Retailer 3
-
$374 NZD
View
A
Retailer 4
-
$401 NZD
View
B+
Retailer 5
-
$624 NZD
View
A
Retailer 6
-
$635 NZD
View
A
Retailer 7
-
$750 NZD
View
A
Retailer 8
-
$761 NZD
View
A
Retailer 9
-
$797 NZD
View
A
Retailer 10
-
$802 NZD
View
A
Retailer 11
-
$839 NZD
View
A
Retailer 12
-
$944 NZD
View
B+
Retailer 13
-
$1,077 NZD
View
B+
Retailer 14
-
$1,359 NZD
View
B+
Retailer 15
-
$1,421 NZD
View
Retailer 16
-
$1,648 NZD
View
Price last confirmed 7 days ago
B
Retailer 17
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$1,726 NZD
View
B
Retailer 18
-
$1,866 NZD
View
Retailer 19
-
$1,880 NZD
View
Price last confirmed 18 days ago
B
Retailer 20
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$2,017 NZD
View
B
Retailer 21
-
$2,022 NZD
View
B
Retailer 22
-
$2,035 NZD
View
B
Retailer 23
-
$2,065 NZD
View
Most Expensive
B
Do Amore Diamonds
27-82C7B2555 · Nov 4
$3,105 NZD
$1,750 USD
View
23 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