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Radiant|Natural|GIA

0.51ct G SI2 Radiant Natural Diamond

VG • G/SI2 • GIA 2534927629

Certificate GIA 2534927629

Diamond specifications and retailer prices

From £314 GBP
$421 USD
As of October 31, 2026
Save £993 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,307 GBP at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2534927629. Listed at 14 retailers as of October 30, 2026, with prices from £314 to £1,307, a £993 spread on the same certified stone. NZ Jewellers lists it at £1,307. 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
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2534927629
Dimensions5.19 × 4.10 × 2.61 mm
L/W Ratio1.27
Top View
5.19 mm4.10 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534927629
Side View
Table 75.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,307 GBP|Low: £314 GBP|High: £1,343 GBP|Avg: £500 GBP|-2.7%
NZ Jewellers
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
October 31, 2026
Retailer 12£314 GBP
Retailer 4£341 GBP
Retailer 6£355 GBP
Retailer 3£367 GBP
Retailer 14£367 GBP
Retailer 7£393 GBP
Retailer 13£393 GBP
Retailer 10£409 GBP
Retailer 2£425 GBP
Retailer 11£427 GBP
Retailer 9£439 GBP
Retailer 8£516 GBP
Retailer 5£791 GBP
NZ Jewellers£1,307 GBP

23 data points across 14 retailers

14 retailers£314 GBP to £1,307 GBP

A
Cheapest Retailer
-
£314 GBP
$421 USD
Final sale: no returns
A
Retailer 2
-
£341 GBP
$457 USD
View
Retailer 3
-
£355 GBP
$475 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£367 GBP
$492 USD
View
A
Retailer 5
-
£367 GBP
$492 USD
View
A
Retailer 6
-
£393 GBP
$527 USD
View
A
Retailer 7
-
£393 GBP
$527 USD
View
A
Retailer 8
-
£409 GBP
View
A
Retailer 9
-
£425 GBP
View
A
Retailer 10
-
£427 GBP
View
A
Retailer 11
-
£439 GBP
$588 USD
View
B+
Retailer 12
-
£516 GBP
€658 EUR
View
B
Retailer 13
-
£791 GBP
View
Most Expensive
B
NZ Jewellers
54819742-92c4-4ecb-b168-abcf07359fb5 · Oct 30
£1,307 GBP
$1,751 USD
View
13 more retailers have this diamond
Prices start from £314 GBPSave up to £993 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
£314 GBP