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Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From $403 NZD
$227 USD
As of November 2, 2026
Save $1,374 NZD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,777 NZD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of November 1, 2026, with prices from $403 to $1,777, a $1,374 spread on the same certified stone. NZ Jewellers lists it at $1,777. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.33 × 5.47 × 3.58 mm
L/W Ratio1.34
Top View
7.33 mm5.47 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 65.4%

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 2
Current: $1,777 NZD|Low: $403 NZD|High: $2,635 NZD|Avg: $1,568 NZD|-27.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$403 NZD
Retailer 3$469 NZD
NZ Jewellers$1,777 NZD
Retailer 5$2,241 NZD
Retailer 4$2,635 NZD

25 data points across 5 retailers

3 retailers$403 NZD to $1,777 NZD

A
Cheapest Retailer
-
$403 NZD
$227 USD
A
Retailer 2
-
$469 NZD
$264 USD
View
Most Expensive
B+
NZ Jewellers
0fd64082-ee0b-4f99-8f2c-deb70326c96f · Nov 1
$1,777 NZD
$1,000 USD
View
2 more retailers have this diamond
Prices start from $403 NZDSave up to $1,374 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
$403 NZD