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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787630559

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

Certificate IGI LG787630559

Diamond specifications and retailer prices

From $404 NZD
As of November 5, 2026
Save $1,626 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,029 NZD at Reve Diamonds · As of November 1, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787630559 or 787630559. Listed at 15 retailers as of November 1, 2026, with prices from $404 to $2,029, a $1,626 spread on the same certified stone. Reve Diamonds lists it at $2,029. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630559
Dimensions7.43 × 5.20 × 3.50 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630559
Side View
Table 65.0%Crown 21.1°Girdle: MediumPavilion 32.3°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $404 NZD|Low: $313 NZD|High: $2,029 NZD|Avg: $914 NZD|+11.3%
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
Retailer 14
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 14$326 NZD
Retailer 4$379 NZD
Retailer 1$404 NZD
Retailer 5$404 NZD
Retailer 15$404 NZD
Retailer 12$667 NZD
Retailer 10$697 NZD
Retailer 3$715 NZD
Retailer 8$731 NZD
Retailer 6$977 NZD
Retailer 9$987 NZD
Retailer 2$1,300 NZD
Retailer 13$1,373 NZD
Retailer 7$1,396 NZD
Retailer 11$1,893 NZD
Reve Diamonds$2,029 NZD

44 data points across 16 retailers

15 retailers$404 NZD to $2,029 NZD

A
Cheapest Retailer
-
$404 NZD
Final sale: no returns
Retailer 2
-
$404 NZD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$404 NZD
View
A
Retailer 4
-
$667 NZD
View
A
Retailer 5
-
$697 NZD
View
A
Retailer 6
-
$715 NZD
View
A
Retailer 7
-
$731 NZD
View
A
Retailer 8
-
$818 NZD
View
B+
Retailer 9
-
$977 NZD
View
B+
Retailer 10
-
$987 NZD
View
B+
Retailer 11
-
$1,300 NZD
View
B+
Retailer 12
-
$1,373 NZD
View
B+
Retailer 13
-
$1,396 NZD
View
B
Retailer 14
-
$1,893 NZD
View
Most Expensive
B
Reve Diamonds
6114E3983 · Nov 1
$2,029 NZD
$1,141 USD
View
14 more retailers have this diamond
Prices start from $404 NZDSave up to $1,626 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
$404 NZD