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Radiant|Natural|GIA

0.51ct H VVS1 Radiant Natural Diamond

VG • H/VVS1 • GIA 2506727547

Certificate GIA 2506727547

Diamond specifications and retailer prices

From £684 GBP
As of November 4, 2026
Save £1,185 GBP (63%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,869 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2506727547. Listed at 20 retailers as of November 4, 2026, with prices from £684 to £1,869, a £1,185 spread on the same certified stone. NZ Jewellers lists it at £1,869. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
VVS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506727547
Dimensions5.53 × 3.98 × 2.76 mm
L/W Ratio1.39
Girdle conditionPolished
Key to symbols
Pinpoint, Surface Graining
Top View
5.53 mm3.98 mm0.51 ctH / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506727547
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £912 GBP|Low: £707 GBP|High: £1,386 GBP|Avg: £998 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8£707 GBP
Retailer 4£724 GBP
Retailer 3£889 GBP
Retailer 1£912 GBP
Retailer 7£960 GBP
Retailer 9£1,002 GBP
Retailer 6£1,070 GBP
Retailer 2£1,182 GBP
Retailer 5£1,368 GBP

35 data points across 9 retailers

20 retailers£684 GBP to £1,869 GBP

B+
Cheapest Retailer
-
£684 GBP
B+
Retailer 2
-
£707 GBP
View
Final sale: no returns
B+
Retailer 3
-
£724 GBP
View
B+
Retailer 4
-
£749 GBP
View
Retailer 5
-
£766 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£766 GBP
View
B+
Retailer 7
-
£796 GBP
View
B
Retailer 8
-
£865 GBP
View
B
Retailer 9
-
£873 GBP
View
B
Retailer 10
-
£884 GBP
View
B
Retailer 11
-
£889 GBP
View
B
Retailer 12
-
£912 GBP
View
B
Retailer 13
-
£960 GBP
View
B
Retailer 14
-
£970 GBP
View
Retailer 15
-
£1,002 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
-
£1,070 GBP
View
B
Retailer 17
-
£1,182 GBP
View
B
Retailer 18
-
£1,368 GBP
View
B
Retailer 19
-
£1,494 GBP
View
Most Expensive
B
NZ Jewellers
55ea2c9e-23e4-47a8-b642-bff5202233a2 · Nov 5
£1,869 GBP
$2,515 USD
View
19 more retailers have this diamond
Prices start from £684 GBPSave up to £1,185 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.

B+
0.51ct Radiant
£684 GBP