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Round|Natural|IGI

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • IGI 673414723

Shape and cutting style on the report: Round brilliant

Certificate IGI 673414723

Diamond specifications and retailer prices

From £219 GBP
As of November 5, 2026
Save £476 GBP (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,156 GBP at NZ Jewellers · As of September 15, 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 J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 673414723. Listed at 19 retailers as of November 4, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 673414723
Dimensions5.14 × 5.13 × 3.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.14 mm5.13 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 673414723
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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 5
Current: £403 GBP|Low: £219 GBP|High: £704 GBP|Avg: £401 GBP|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£219 GBP
Retailer 10£278 GBP
Retailer 6£308 GBP
Retailer 2£325 GBP
Retailer 3£396 GBP
Retailer 1£403 GBP
Retailer 7£461 GBP
Retailer 5£467 GBP
Retailer 9£488 GBP
Retailer 8£695 GBP

40 data points across 10 retailers

19 retailers£219 GBP to £695 GBP

A
Cheapest Retailer
-
£219 GBP
A
Retailer 2
-
£278 GBP
View
Final sale: no returns
Retailer 3
-
£302 GBP
View
Price last confirmed 53 days ago
Retailer 4
-
£302 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£308 GBP
View
Retailer 6
-
£325 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£325 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
£348 GBP
View
Price last confirmed 53 days ago
Retailer 9
-
£348 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£396 GBP
View
A
Retailer 11
-
£398 GBP
View
A
Retailer 12
-
£403 GBP
View
A
Retailer 13
-
£406 GBP
View
B+
Retailer 14
-
£461 GBP
View
B+
Retailer 15
-
£467 GBP
View
B+
Retailer 16
-
£488 GBP
View
B
Retailer 17
-
£695 GBP
View
Retailer 18
-
£1,156 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
c8888131-a0a0-4771-86dc-938bbb57b9b1 · Sep 15
£1,156 GBP
$1,556 USD
View
Price last confirmed 52 days ago
18 more retailers have this diamond
Prices start from £219 GBPSave up to £476 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 Round
£219 GBP