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Marquise|Natural|IGI

0.51ct I VVS2 Marquise Natural Diamond

VG • I/VVS2 • IGI 840603559

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 840603559

Diamond specifications and retailer prices

From £406 GBP
As of November 4, 2026
Save £975 GBP (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,380 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 840603559. Listed at 15 retailers as of November 4, 2026, with prices from £406 to £1,380, a £975 spread on the same certified stone. NZ Jewellers lists it at £1,380. 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
I
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.1°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 840603559
Dimensions7.87 × 4.07 × 2.60 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizeNone
Top View
7.87 mm4.07 mm0.51 ctI / VVS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 840603559
Side View
Table 64.0%Crown 43.1°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 63.9%

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: £1,380 GBP|Low: £406 GBP|High: £1,380 GBP|Avg: £617 GBP
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
November 5, 2026
Retailer 7£406 GBP
Retailer 14£441 GBP
Retailer 6£474 GBP
Retailer 12£474 GBP
Retailer 11£476 GBP
Retailer 3£508 GBP
Retailer 2£536 GBP
Retailer 5£538 GBP
Retailer 4£541 GBP
Retailer 8£551 GBP
Retailer 13£591 GBP
Retailer 15£626 GBP
Retailer 9£679 GBP
Retailer 10£1,015 GBP
NZ Jewellers£1,380 GBP

14 data points across 15 retailers

15 retailers£406 GBP to £1,380 GBP

A
Cheapest Retailer
-
£406 GBP
Final sale: no returns
A
Retailer 2
-
£441 GBP
View
Retailer 3
-
£474 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£474 GBP
View
A
Retailer 5
-
£476 GBP
View
A
Retailer 6
-
£508 GBP
View
A
Retailer 7
-
£536 GBP
View
B+
Retailer 8
-
£538 GBP
View
B+
Retailer 9
-
£541 GBP
View
B+
Retailer 10
-
£551 GBP
View
B+
Retailer 11
-
£591 GBP
View
B+
Retailer 12
-
£626 GBP
View
B+
Retailer 13
-
£679 GBP
View
B
Retailer 14
-
£1,015 GBP
View
Most Expensive
B
NZ Jewellers
4ea647f6-85f4-4208-9ff6-c224d81f4cfa · Nov 5
£1,380 GBP
$1,858 USD
View
14 more retailers have this diamond
Prices start from £406 GBPSave up to £975 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 Marquise
£406 GBP