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Radiant|Lab Grown|GIA

5.17ct D IF Radiant Lab Grown Diamond

ID • D/IF • GIA 5523820400

Certificate GIA 5523820400

Diamond specifications and retailer prices

From £14,900 GBP
$19,965 USD
As of October 30, 2026
Save £13,860 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £28,760 GBP at MOH London · As of October 29, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5523820400. Listed at 7 retailers as of October 29, 2026, with prices from £14,900 to £28,760, a £13,860 spread on the same certified stone. MOH London lists it at £28,760. 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
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5523820400
Dimensions11.86 × 8.48 × 5.81 mm
L/W Ratio1.40
Top View
11.86 mm8.48 mm5.17 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523820400
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 68.4%

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: £28,760 GBP|Low: £14,602 GBP|High: £68,140 GBP|Avg: £25,832 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2£14,900 GBP
Retailer 4£14,900 GBP
Retailer 6£15,020 GBP
Retailer 8£16,446 GBP
Retailer 7£17,036 GBP
Retailer 5£21,248 GBP
Retailer 9£25,406 GBP
MOH London£28,760 GBP
Retailer 3£66,752 GBP

20 data points across 9 retailers

7 retailers£14,900 GBP to £28,760 GBP

A
Cheapest Retailer
-
£14,900 GBP
$19,965 USD
A
Retailer 2
-
£14,900 GBP
$19,965 USD
View
A
Retailer 3
-
£15,020 GBP
$20,125 USD
View
B+
Retailer 4
-
£17,036 GBP
$22,826 USD
View
Final sale: no returns
B+
Retailer 5
-
£21,248 GBP
$28,470 USD
View
Most Expensive
B+
MOH London
5523820400 · Oct 29
£28,760 GBP
View
5 more retailers have this diamond
Prices start from £14,900 GBPSave up to £13,860 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
£14,900 GBP