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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG825658773

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

Certificate IGI LG825658773

Diamond specifications and retailer prices

From $345 NZD
As of November 4, 2026
Save $1,746 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,091 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 LG825658773 or 825658773. Listed at 19 retailers as of November 4, 2026, with prices from $345 to $2,091, a $1,746 spread on the same certified stone. Reve Diamonds lists it at $2,091. 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 angle42.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658773
Dimensions7.78 × 5.46 × 3.42 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658773
Side View
Table 72.0%Crown 42.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 62.6%

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: $774 NZD|Low: $331 NZD|High: $2,091 NZD|Avg: $1,073 NZD|+3.6%
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 15$345 NZD
Retailer 5$386 NZD
Retailer 2$429 NZD
Retailer 10$738 NZD
Retailer 3$745 NZD
Retailer 1$774 NZD
Retailer 12$786 NZD
Retailer 6$824 NZD
Retailer 9$1,044 NZD
Retailer 8$1,110 NZD
Retailer 11$1,263 NZD
Retailer 14$1,290 NZD
Retailer 7$1,473 NZD
Retailer 4$1,533 NZD
Retailer 13$2,014 NZD
Reve Diamonds$2,091 NZD

45 data points across 16 retailers

19 retailers$345 NZD to $2,091 NZD

A
Cheapest Retailer
-
$345 NZD
A
Retailer 2
-
$386 NZD
View
Final sale: no returns
A
Retailer 3
-
$400 NZD
View
Retailer 4
-
$429 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$429 NZD
View
A
Retailer 6
-
$738 NZD
View
A
Retailer 7
-
$745 NZD
View
A
Retailer 8
-
$774 NZD
View
A
Retailer 9
-
$786 NZD
View
A
Retailer 10
-
$824 NZD
View
B+
Retailer 11
-
$1,044 NZD
View
B+
Retailer 12
-
$1,110 NZD
View
B+
Retailer 13
-
$1,263 NZD
View
Retailer 14
-
$1,290 NZD
View
Price last confirmed 19 days ago
B
Retailer 15
-
$1,377 NZD
View
B
Retailer 16
-
$1,473 NZD
View
B
Retailer 17
-
$1,565 NZD
View
Retailer 18
-
$2,014 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
3F34DD91A · Nov 4
$2,091 NZD
$1,175 USD
View
18 more retailers have this diamond
Prices start from $345 NZDSave up to $1,746 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
$345 NZD