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Round|Natural|IGI

0.51ct I VVS2 Round Natural Diamond

EX • I/VVS2 • IGI 694515784

Shape and cutting style on the report: Round brilliant

Certificate IGI 694515784

Diamond specifications and retailer prices

From £314 GBP
As of November 4, 2026
Save £471 GBP (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,304 GBP at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 694515784. Listed at 16 retailers as of November 4, 2026, with a 150% 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
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 694515784
Dimensions5.04 × 5.07 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.04 mm5.07 mm0.51 ctI / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 694515784
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 4
Current: £1,304 GBP|Low: £289 GBP|High: £1,322 GBP|Avg: £498 GBP|-1.3%
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 8£314 GBP
Retailer 5£341 GBP
Retailer 11£344 GBP
Retailer 3£367 GBP
Retailer 15£367 GBP
Retailer 16£393 GBP
Retailer 9£405 GBP
Retailer 7£419 GBP
Retailer 2£433 GBP
Retailer 4£476 GBP
Retailer 6£478 GBP
Retailer 12£493 GBP
Retailer 14£512 GBP
Retailer 10£527 GBP
Retailer 13£785 GBP
NZ Jewellers£1,304 GBP

26 data points across 16 retailers

16 retailers£314 GBP to £785 GBP

A
Cheapest Retailer
-
£314 GBP
Final sale: no returns
Retailer 2
-
£341 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£344 GBP
View
A
Retailer 4
-
£367 GBP
View
A
Retailer 5
-
£367 GBP
View
A
Retailer 6
-
£393 GBP
View
A
Retailer 7
-
£405 GBP
View
A
Retailer 8
-
£419 GBP
View
A
Retailer 9
-
£433 GBP
View
A
Retailer 10
-
£476 GBP
View
A
Retailer 11
-
£478 GBP
View
A
Retailer 12
-
£493 GBP
View
A
Retailer 13
-
£512 GBP
View
A
Retailer 14
-
£527 GBP
View
B+
Retailer 15
-
£785 GBP
View
Most Expensive
NZ Jewellers
082365c3-cb99-41a3-91ad-30f724f09ca6 · Oct 27
£1,304 GBP
$1,761 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from £314 GBPSave up to £471 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
£314 GBP