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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 $290 SGD
$227 USD
As of November 2, 2026
Save $989 SGD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,279 SGD 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 $290 to $1,279, a $989 spread on the same certified stone. NZ Jewellers lists it at $1,279. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,279 SGD|Low: $290 SGD|High: $1,896 SGD|Avg: $1,128 SGD|-27.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$290 SGD
Retailer 3$338 SGD
NZ Jewellers$1,279 SGD
Retailer 5$1,613 SGD
Retailer 4$1,896 SGD

25 data points across 5 retailers

3 retailers$290 SGD to $1,279 SGD

A
Cheapest Retailer
-
$290 SGD
$227 USD
A
Retailer 2
-
$338 SGD
$264 USD
View
Most Expensive
B+
NZ Jewellers
0fd64082-ee0b-4f99-8f2c-deb70326c96f · Nov 1
$1,279 SGD
$1,000 USD
View
2 more retailers have this diamond
Prices start from $290 SGDSave up to $989 SGD

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
$290 SGD