Radiant|Lab Grown|GCAL

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • GCAL 360366240

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 360366240

Diamond specifications and retailer prices

From £991 GBP
$1,330 USD
As of November 2, 2026
Save £1,241 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,232 GBP at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 1.29ct lab-grown radiant diamond

This 1.29ct 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 GCAL 360366240. Listed at 8 retailers as of November 2, 2026, with a 125% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle59.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360366240
Dimensions7.92 × 5.41 × 3.60 mm
L/W Ratio1.46
Culet sizeNone
Top View
7.92 mm5.41 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360366240
Side View
Table 65.0%Crown 42.5°Girdle: MED-MEDPavilion 59.4°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,232 GBP|Low: £991 GBP|High: £12,519 GBP|Avg: £4,396 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5£991 GBP
Retailer 8£1,675 GBP
Retailer 3£1,686 GBP
Retailer 10£2,233 GBP
Retailer 9£2,881 GBP
Retailer 7£3,204 GBP
Diamond Exchange Canada£3,232 GBP
Retailer 2£6,361 GBP
Retailer 4£8,743 GBP
Retailer 6£12,519 GBP

18 data points across 10 retailers

8 retailers£991 GBP to £2,233 GBP

B+
Cheapest Retailer
-
£991 GBP
$1,330 USD
B
Retailer 2
-
£1,686 GBP
$2,262 USD
View
B
Retailer 3
-
£2,233 GBP
$2,996 USD
View
Retailer 4
-
£3,204 GBP
$4,299 USD
View
Price under review
Most Expensive
Diamond Exchange Canada
1931581991 · Nov 2
£3,232 GBP
CA$6,024 CAD
View
Price under review
4 more retailers have this diamond
Prices start from £991 GBPSave up to £1,241 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.

B+
1.29ct Radiant
£991 GBP