Radiant|Lab Grown|GCAL

5.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • GCAL 361046232

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 361046232

Diamond specifications and retailer prices

From £14,178 GBP
$18,997 USD
As of October 31, 2026
Save £18,511 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £32,689 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 361046232. Listed at 16 retailers as of October 30, 2026, with prices from £14,178 to £32,689, a £18,511 spread on the same certified stone. Kay Jewelers lists it at £32,689. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361046232
Dimensions11.99 × 8.52 × 5.77 mm
L/W Ratio1.41
Culet sizeNone
Top View
11.99 mm8.52 mm5.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361046232
Side View
Table 60.0%Crown 41.3°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 67.7%

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: Oct 31
Current: £32,689 GBP|Low: £14,178 GBP|High: £122,012 GBP|Avg: £35,961 GBP|+4.5%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 17£14,178 GBP
Retailer 8£15,478 GBP
Retailer 5£16,533 GBP
Retailer 13£16,533 GBP
Retailer 12£16,666 GBP
Retailer 16£18,266 GBP
Retailer 7£18,517 GBP
Retailer 11£18,896 GBP
Retailer 14£19,179 GBP
Retailer 10£21,649 GBP
Retailer 2£30,392 GBP
Kay Jewelers£32,689 GBP
Retailer 3£32,689 GBP
Retailer 15£47,731 GBP
Retailer 6£68,585 GBP
Retailer 4£74,073 GBP
Retailer 9£122,012 GBP

24 data points across 17 retailers

16 retailers£14,178 GBP to £32,689 GBP

A
Cheapest Retailer
-
£14,178 GBP
$18,997 USD
B+
Retailer 2
-
£16,533 GBP
$22,153 USD
View
B+
Retailer 3
-
£16,533 GBP
$22,153 USD
View
B+
Retailer 4
-
£16,666 GBP
$22,331 USD
View
B+
Retailer 5
-
£18,517 GBP
$24,811 USD
View
Final sale: no returns
B+
Retailer 6
-
£18,896 GBP
$25,318 USD
View
Retailer 7
-
£19,179 GBP
$25,698 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
£19,179 GBP
$25,698 USD
View
Retailer 9
-
£21,649 GBP
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£30,392 GBP
View
B
Retailer 11
-
£32,689 GBP
$43,800 USD
View
Most Expensive
B
Kay Jewelers
258887344 · Oct 30
£32,689 GBP
$43,800 USD
View
11 more retailers have this diamond
Prices start from £14,178 GBPSave up to £18,511 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
5.03ct Radiant
£14,178 GBP