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Radiant|Lab Grown|GCAL

5.17ct D FL Radiant Lab Grown Diamond

ID • D/FL • GCAL 362166026

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 362166026

Diamond specifications and retailer prices

From £8,409 GBP
$11,267 USD
As of October 30, 2026
Save £29,258 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £37,667 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.17ct lab-grown radiant diamond

This 5.17ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 362166026. Listed at 8 retailers as of October 29, 2026, with prices from £8,409 to £37,667, a £29,258 spread on the same certified stone. Do Amore Diamonds lists it at £37,667. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 362166026
Dimensions12.07 × 8.50 × 5.83 mm
L/W Ratio1.42
Culet sizeNone
Top View
12.07 mm8.50 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 362166026
Side View
Table 63.0%Crown 43.3°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 68.6%

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 30
Current: £37,667 GBP|Low: £8,409 GBP|High: £99,396 GBP|Avg: £23,564 GBP|-62.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4£8,409 GBP
Retailer 8£8,436 GBP
Retailer 7£10,090 GBP
Retailer 3£10,216 GBP
Retailer 6£10,349 GBP
Retailer 5£10,405 GBP
Retailer 2£15,843 GBP
Do Amore Diamonds£37,667 GBP

18 data points across 8 retailers

8 retailers£8,409 GBP to £37,667 GBP

A
Cheapest Retailer
-
£8,409 GBP
$11,267 USD
A
Retailer 2
-
£8,436 GBP
$11,303 USD
View
A
Retailer 3
-
£9,194 GBP
$12,319 USD
View
A
Retailer 4
-
£10,090 GBP
$13,520 USD
View
A
Retailer 5
-
£10,349 GBP
$13,867 USD
View
A
Retailer 6
-
£10,405 GBP
$13,941 USD
View
B+
Retailer 7
-
£15,843 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E22DF00D7 · Oct 29
£37,667 GBP
$50,470 USD
View
7 more retailers have this diamond
Prices start from £8,409 GBPSave up to £29,258 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
5.17ct Radiant
£8,409 GBP