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Radiant|Lab Grown|GCAL

1.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • GCAL 360796101

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 360796101

Diamond specifications and retailer prices

From £511 GBP
As of November 4, 2026
Save £1,726 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,237 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 360796101. Listed at 4 retailers as of November 4, 2026, with prices from £511 to £2,237, a £1,726 spread on the same certified stone. Brilliant Earth lists it at £2,237. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle59.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360796101
Dimensions7.63 × 5.42 × 3.69 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.63 mm5.42 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360796101
Side View
Table 66.0%Crown 43.5°Girdle: MED-MEDPavilion 59.6°Culet: NoneDepth 68.1%

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 4
Current: £1,504 GBP|Low: £511 GBP|High: £2,399 GBP|Avg: £1,220 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 2£511 GBP
Retailer 6£778 GBP
Retailer 4£983 GBP
Retailer 3£984 GBP
Retailer 5£1,099 GBP
Retailer 1£1,504 GBP
Retailer 7£1,594 GBP
Retailer 8£2,399 GBP

3 data points across 8 retailers

4 retailers£511 GBP to £2,237 GBP

A
Cheapest Retailer
-
£511 GBP
Final sale: no returns
B+
Retailer 2
-
£886 GBP
View
Retailer 3
-
£1,504 GBP
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21832438Y · Nov 4
£2,237 GBP
$3,020 USD
View
3 more retailers have this diamond
Prices start from £511 GBPSave up to £1,726 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
1.29ct Radiant
£511 GBP