Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

GD • D/FL

Diamond specifications and retailer prices

From $421 NZD
$237 USD
As of November 2, 2026
Save $2,865 NZD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,286 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 standard cut grade and certified by IGI. Listed at 5 retailers as of October 31, 2026, with prices from $421 to $3,286, a $2,865 spread on the same certified stone. Blue Nile lists it at $3,286. 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

1.27
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.86 × 5.30 × 3.60 mm
L/W Ratio1.48
Top View
7.86 mm5.30 mm1.27 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

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: $3,286 NZD|Low: $421 NZD|High: $4,748 NZD|Avg: $2,105 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$421 NZD
Retailer 5$488 NZD
Retailer 3$951 NZD
Retailer 4$1,852 NZD
Blue Nile$3,286 NZD
Retailer 6$4,748 NZD

12 data points across 6 retailers

5 retailers$421 NZD to $3,286 NZD

A
Cheapest Retailer
-
$421 NZD
$237 USD
A
Retailer 2
-
$488 NZD
$275 USD
View
B+
Retailer 3
-
$951 NZD
$536 USD
View
B+
Retailer 4
-
$1,852 NZD
$1,044 USD
View
Most Expensive
C
Blue Nile
30353132 · Oct 31
$3,286 NZD
$1,852 USD
View
4 more retailers have this diamond
Prices start from $421 NZDSave up to $2,865 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
1.27ct Radiant
$421 NZD