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Radiant|Lab Grown|IGI

1.18ct D FL Radiant Lab Grown Diamond

VG • D/FL

Diamond specifications and retailer prices

From $284 SGD
$222 USD
As of November 2, 2026
Save $1,895 SGD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,179 SGD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 5 retailers as of November 2, 2026, with prices from $284 to $2,179, a $1,895 spread on the same certified stone. Blue Nile lists it at $2,179. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.28 × 5.10 × 3.66 mm
L/W Ratio1.43
Top View
7.28 mm5.10 mm1.18 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 71.8%

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: $2,179 SGD|Low: $284 SGD|High: $3,078 SGD|Avg: $1,392 SGD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$284 SGD
Retailer 5$330 SGD
Retailer 3$660 SGD
Retailer 4$1,251 SGD
Blue Nile$2,179 SGD
Retailer 6$3,078 SGD

12 data points across 6 retailers

5 retailers$284 SGD to $2,179 SGD

A
Cheapest Retailer
-
$284 SGD
$222 USD
A
Retailer 2
-
$330 SGD
$258 USD
View
A
Retailer 3
-
$660 SGD
$516 USD
View
B+
Retailer 4
-
$1,251 SGD
$978 USD
View
Most Expensive
B
Blue Nile
30353746 · Nov 3
$2,179 SGD
$1,704 USD
View
4 more retailers have this diamond
Prices start from $284 SGDSave up to $1,895 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
1.18ct Radiant
$284 SGD