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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG831633282

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

Certificate IGI LG831633282

Diamond specifications and retailer prices

From $459 NZD
As of November 4, 2026
Save $1,839 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,298 NZD at Reve Diamonds · As of November 4, 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 LG831633282 or 831633282. Listed at 13 retailers as of November 4, 2026, with prices from $459 to $2,298, a $1,839 spread on the same certified stone. Reve Diamonds lists it at $2,298. 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 angle40.7°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831633282
Dimensions5.98 × 5.92 × 3.86 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.98 mm5.92 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831633282
Side View
Table 63.0%Crown 40.7°Girdle: MediumPavilion 35.1°Culet: NoneDepth 65.2%

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 4
Current: $2,035 NZD|Low: $459 NZD|High: $2,298 NZD|Avg: $1,315 NZD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 5, 2026
Retailer 9$459 NZD
Retailer 8$685 NZD
Retailer 6$849 NZD
Retailer 5$879 NZD
Retailer 10$897 NZD
Retailer 7$1,307 NZD
Retailer 4$1,348 NZD
Retailer 3$1,644 NZD
Retailer 2$1,727 NZD
Retailer 11$1,729 NZD
Retailer 1$2,035 NZD
Reve Diamonds$2,298 NZD

24 data points across 12 retailers

13 retailers$459 NZD to $2,298 NZD

A
Cheapest Retailer
-
$459 NZD
Final sale: no returns
A
Retailer 2
-
$685 NZD
View
A
Retailer 3
-
$849 NZD
View
A
Retailer 4
-
$879 NZD
View
B+
Retailer 5
-
$897 NZD
View
Retailer 6
-
$1,307 NZD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,348 NZD
View
B
Retailer 8
-
$1,644 NZD
View
Retailer 9
-
$1,654 NZD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$1,729 NZD
View
B
Retailer 11
-
$1,763 NZD
View
B
Retailer 12
-
$2,035 NZD
View
Most Expensive
B
Reve Diamonds
CABC4399D · Nov 4
$2,298 NZD
$1,292 USD
View
12 more retailers have this diamond
Prices start from $459 NZDSave up to $1,839 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
$459 NZD