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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

D/FL

Diamond specifications and retailer prices

From £192 GBP
$258 USD
As of November 2, 2026
Save £1,615 GBP (89%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,807 GBP at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

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) and certified by IGI. Listed at 6 retailers as of November 2, 2026, with prices from £192 to £1,807, a £1,615 spread on the same certified stone. Helzberg Diamonds lists it at £1,807. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.66 × 5.58 × 3.56 mm
L/W Ratio1.37
Top View
7.66 mm5.58 mm1.27 ctD / FL
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: MediumPavilionCuletDepth 63.8%

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: £1,807 GBP|Low: £192 GBP|High: £1,807 GBP|Avg: £728 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£192 GBP
Retailer 6£231 GBP
Retailer 3£247 GBP
Retailer 5£247 GBP
Retailer 4£795 GBP
Helzberg Diamonds£1,807 GBP

10 data points across 6 retailers

6 retailers£192 GBP to £1,807 GBP

A
Cheapest Retailer
-
£192 GBP
$258 USD
B+
Retailer 2
-
£231 GBP
$310 USD
View
Retailer 3
-
£247 GBP
$332 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£247 GBP
$332 USD
View
B
Retailer 5
-
£795 GBP
$1,067 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZNPPMKJPNL · Nov 2
£1,807 GBP
$2,425 USD
View
5 more retailers have this diamond
Prices start from £192 GBPSave up to £1,615 GBP

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
£192 GBP