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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836604372

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

Certificate IGI LG836604372

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)
16 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 LG836604372 or 836604372. Listed at 16 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 angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836604372
Dimensions5.89 × 5.72 × 3.98 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.72 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836604372
Side View
Table 67.0%Crown 41.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.6%

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: $674 NZD|Low: $459 NZD|High: $2,298 NZD|Avg: $1,253 NZD|-0.8%
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 6$459 NZD
Retailer 14$509 NZD
Retailer 1$674 NZD
Retailer 15$685 NZD
Retailer 12$849 NZD
Retailer 10$879 NZD
Retailer 5$897 NZD
Retailer 3$936 NZD
Retailer 13$1,307 NZD
Retailer 9$1,348 NZD
Retailer 2$1,644 NZD
Retailer 4$1,727 NZD
Retailer 7$1,729 NZD
Retailer 11$2,039 NZD
Retailer 8$2,064 NZD
Reve Diamonds$2,298 NZD

35 data points across 16 retailers

16 retailers$459 NZD to $2,298 NZD

A
Cheapest Retailer
-
$459 NZD
Final sale: no returns
Retailer 2
-
$509 NZD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$674 NZD
View
A
Retailer 4
-
$685 NZD
View
A
Retailer 5
-
$849 NZD
View
A
Retailer 6
-
$879 NZD
View
B+
Retailer 7
-
$897 NZD
View
B+
Retailer 8
-
$936 NZD
View
Retailer 9
-
$1,307 NZD
View
Price last confirmed 19 days ago
B+
Retailer 10
-
$1,348 NZD
View
B
Retailer 11
-
$1,644 NZD
View
B
Retailer 12
-
$1,729 NZD
View
B
Retailer 13
-
$1,763 NZD
View
B
Retailer 14
-
$2,039 NZD
View
B
Retailer 15
-
$2,064 NZD
View
Most Expensive
B
Reve Diamonds
006CAE70F · Nov 4
$2,298 NZD
$1,292 USD
View
15 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