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Marquise|Natural|IGI

0.50ct I VS1 Marquise Natural Diamond

EX • I/VS1 • IGI 795659535

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 795659535

Diamond specifications and retailer prices

From £314 GBP
As of November 4, 2026
Save £473 GBP (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,357 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 795659535. Listed at 15 retailers as of November 1, 2026, with a 151% 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

0.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 795659535
Dimensions8.24 × 4.07 × 2.53 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Top View
8.24 mm4.07 mm0.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 795659535
Side View
Table 59.0%Crown 38.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.7%

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: £436 GBP|Low: £314 GBP|High: £827 GBP|Avg: £516 GBP|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£314 GBP
Retailer 3£381 GBP
Retailer 4£392 GBP
Retailer 1£436 GBP
Retailer 8£438 GBP
Retailer 10£453 GBP
Retailer 11£478 GBP
Retailer 6£494 GBP
Retailer 7£513 GBP
Retailer 5£528 GBP
Retailer 12£759 GBP
Retailer 9£787 GBP

44 data points across 12 retailers

15 retailers£314 GBP to £787 GBP

A
Cheapest Retailer
-
£314 GBP
Final sale: no returns
Retailer 2
-
£354 GBP
View
Price last confirmed 36 days ago
Retailer 3
-
£381 GBP
View
Price last confirmed 36 days ago
Retailer 4
-
£381 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£409 GBP
View
Price last confirmed 38 days ago
A
Retailer 6
-
£436 GBP
View
A
Retailer 7
-
£438 GBP
View
A
Retailer 8
-
£453 GBP
View
A
Retailer 9
-
£478 GBP
View
B+
Retailer 10
-
£494 GBP
View
A
Retailer 11
-
£513 GBP
View
A
Retailer 12
-
£528 GBP
View
B
Retailer 13
-
£759 GBP
View
B
Retailer 14
-
£787 GBP
View
Most Expensive
NZ Jewellers
231769b5-5134-4ab6-9434-555d9d4c27ca · Sep 30
£1,357 GBP
$1,826 USD
View
Price last confirmed 36 days ago
14 more retailers have this diamond
Prices start from £314 GBPSave up to £473 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
0.50ct Marquise
£314 GBP