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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 $395 NZD
$222 USD
As of November 2, 2026
Save $2,634 NZD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,029 NZD at Blue Nile · As of October 31, 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 October 31, 2026, with prices from $395 to $3,029, a $2,634 spread on the same certified stone. Blue Nile lists it at $3,029. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,029 NZD|Low: $395 NZD|High: $4,278 NZD|Avg: $1,935 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$395 NZD
Retailer 5$459 NZD
Retailer 3$917 NZD
Retailer 4$1,738 NZD
Blue Nile$3,029 NZD
Retailer 6$4,278 NZD

12 data points across 6 retailers

5 retailers$395 NZD to $3,029 NZD

A
Cheapest Retailer
-
$395 NZD
$222 USD
A
Retailer 2
-
$459 NZD
$258 USD
View
A
Retailer 3
-
$917 NZD
$516 USD
View
B+
Retailer 4
-
$1,738 NZD
$978 USD
View
Most Expensive
B
Blue Nile
30353746 · Oct 31
$3,029 NZD
$1,704 USD
View
4 more retailers have this diamond
Prices start from $395 NZDSave up to $2,634 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
1.18ct Radiant
$395 NZD