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Round|Natural|GIA

0.51ct L I1 Round Natural Diamond

GD • L/I1 • GIA 3305853970

Certificate GIA 3305853970

Diamond specifications and retailer prices

From £360 GBP
As of November 5, 2026
Save £230 GBP (39%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,246 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by GIA 3305853970. Listed at 6 retailers as of November 5, 2026, with a 64% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 3305853970
Dimensions4.98 × 5.02 × 3.21 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
4.98 mm5.02 mm0.51 ctL / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3305853970
Side View
Table 55.0%Crown 37.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,246 GBP|Low: £360 GBP|High: £1,246 GBP|Avg: £550 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5£360 GBP
Retailer 3£388 GBP
Retailer 7£388 GBP
Retailer 6£415 GBP
Retailer 4£442 GBP
Retailer 8£487 GBP
Retailer 2£589 GBP
Retailer 9£597 GBP
NZ Jewellers£1,246 GBP

21 data points across 9 retailers

6 retailers£360 GBP to £589 GBP

B
Cheapest Retailer
-
£360 GBP
Retailer 2
-
£388 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
£388 GBP
View
B
Retailer 4
-
£415 GBP
View
C
Retailer 5
-
£589 GBP
View
Most Expensive
NZ Jewellers
3ed877f7-6c9a-4a90-99ef-219987ee3edb · Nov 4
£1,246 GBP
$1,677 USD
View
Price under review
5 more retailers have this diamond
Prices start from £360 GBPSave up to £230 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 Round
£360 GBP