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Radiant|Natural|GIA

0.51ct I IF Radiant Natural Diamond

EX • I/IF • GIA 2556706984

Certificate GIA 2556706984

Diamond specifications and retailer prices

From £348 GBP
As of November 6, 2026
Save £1,219 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,567 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded I colour (near-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 2556706984. Listed at 14 retailers as of November 5, 2026, with prices from £348 to £1,567, a £1,219 spread on the same certified stone. NZ Jewellers lists it at £1,567. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556706984
Dimensions5.40 × 3.99 × 2.69 mm
L/W Ratio1.35
Girdle conditionPolished
Key to symbols
Minor Details of Polish
Top View
5.40 mm3.99 mm0.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556706984
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

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: Nov 6
Current: £1,567 GBP|Low: £348 GBP|High: £1,567 GBP|Avg: £632 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£348 GBP
Retailer 2£368 GBP
Retailer 12£483 GBP
Retailer 7£500 GBP
Retailer 9£508 GBP
Retailer 6£518 GBP
Retailer 11£519 GBP
Retailer 8£615 GBP
Retailer 5£667 GBP
Retailer 4£760 GBP
Retailer 3£1,167 GBP
NZ Jewellers£1,567 GBP

35 data points across 12 retailers

14 retailers£348 GBP to £1,567 GBP

A
Cheapest Retailer
-
£348 GBP
Final sale: no returns
A
Retailer 2
-
£368 GBP
View
A
Retailer 3
-
£421 GBP
View
Retailer 4
-
£483 GBP
View
Price last confirmed 4 days ago
A
Retailer 5
-
£500 GBP
View
A
Retailer 6
-
£508 GBP
View
A
Retailer 7
-
£518 GBP
View
A
Retailer 8
-
£519 GBP
View
B+
Retailer 9
-
£585 GBP
View
B+
Retailer 10
-
£615 GBP
View
B+
Retailer 11
-
£667 GBP
View
Retailer 12
-
£760 GBP
View
Price last confirmed 34 days ago
B
Retailer 13
-
£1,167 GBP
View
Most Expensive
B
NZ Jewellers
84002fa9-18f0-4fcb-bd58-e745745eb3d3 · Nov 5
£1,567 GBP
$2,098 USD
View
13 more retailers have this diamond
Prices start from £348 GBPSave up to £1,219 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
0.51ct Radiant
£348 GBP