Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From $352 SGD
$275 USD
As of November 2, 2026
Save $2,830 SGD (89%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,182 SGD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.31ct lab-grown radiant diamond

This 1.31ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half 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 7 retailers as of November 1, 2026, with prices from $352 to $3,182, a $2,830 spread on the same certified stone. Helzberg Diamonds lists it at $3,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
Top View
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.2%

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: $3,182 SGD|Low: $352 SGD|High: $3,511 SGD|Avg: $1,242 SGD|-9.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$352 SGD
Retailer 7$418 SGD
Retailer 4$446 SGD
Retailer 6$446 SGD
Retailer 3$770 SGD
Retailer 5$1,436 SGD
Helzberg Diamonds$3,182 SGD

12 data points across 7 retailers

7 retailers$352 SGD to $3,182 SGD

A
Cheapest Retailer
-
$352 SGD
$275 USD
A
Retailer 2
-
$418 SGD
$327 USD
View
Retailer 3
-
$446 SGD
$349 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$446 SGD
$349 USD
View
A
Retailer 5
-
$770 SGD
$602 USD
View
B+
Retailer 6
-
$1,436 SGD
$1,123 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOILMMHJOK · Nov 1
$3,182 SGD
$2,488 USD
View
6 more retailers have this diamond
Prices start from $352 SGDSave up to $2,830 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
1.31ct Radiant
$352 SGD