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Marquise|Natural|IGI

0.50ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 815681709

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815681709

Diamond specifications and retailer prices

From £316 GBP
₹40,273 INR
As of October 31, 2026
Save £1,015 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,331 GBP at NZ Jewellers · As of October 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 815681709. Listed at 15 retailers as of October 30, 2026, with prices from £316 to £1,331, a £1,015 spread on the same certified stone. NZ Jewellers lists it at £1,331. 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

0.50
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.3°
OriginNatural
Grading LabIGI
CertificateIGI 815681709
Dimensions7.77 × 4.06 × 2.52 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
7.77 mm4.06 mm0.50 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815681709
Side View
Table 60.0%Crown 39.8°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 62.1%

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: Oct 31
Current: £1,331 GBP|Low: £316 GBP|High: £1,331 GBP|Avg: £564 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
October 31, 2026
Retailer 2£316 GBP
Retailer 4£392 GBP
Retailer 13£425 GBP
Retailer 3£457 GBP
Retailer 5£457 GBP
Retailer 12£490 GBP
Retailer 7£507 GBP
Retailer 10£508 GBP
Retailer 9£516 GBP
Retailer 14£523 GBP
Retailer 11£532 GBP
Retailer 8£574 GBP
Retailer 6£981 GBP
NZ Jewellers£1,331 GBP

8 data points across 14 retailers

15 retailers£316 GBP to £1,331 GBP

A
Cheapest Retailer
-
£316 GBP
₹40,273 INR
A
Retailer 2
-
£392 GBP
$525 USD
View
A
Retailer 3
-
£392 GBP
$525 USD
View
Final sale: no returns
A
Retailer 4
-
£425 GBP
$569 USD
View
A
Retailer 5
-
£457 GBP
$612 USD
View
A
Retailer 6
-
£457 GBP
$612 USD
View
B+
Retailer 7
-
£490 GBP
$656 USD
View
A
Retailer 8
-
£507 GBP
$680 USD
View
A
Retailer 9
-
£508 GBP
View
A
Retailer 10
-
£516 GBP
$691 USD
View
B+
Retailer 11
-
£523 GBP
$700 USD
View
A
Retailer 12
-
£532 GBP
View
B+
Retailer 13
-
£574 GBP
€732 EUR
View
B
Retailer 14
-
£981 GBP
View
Most Expensive
C
NZ Jewellers
ee3451cc-0739-412f-a76a-c6269ae611e6 · Oct 30
£1,331 GBP
$1,783 USD
View
14 more retailers have this diamond
Prices start from £316 GBPSave up to £1,015 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
£316 GBP