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Marquise|Natural|IGI

1.50ct F SI2 Marquise Natural Diamond

GD • F/SI2 • IGI 146456263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 146456263

Diamond specifications and retailer prices

From £3,849 GBP
₹491,931 INR
As of November 2, 2026
Save £4,662 GBP (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £8,512 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 146456263. Listed at 13 retailers as of October 30, 2026, with prices from £3,849 to £8,512, a £4,662 spread on the same certified stone. NZ Jewellers lists it at £8,512. 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

1.50
Carat
F
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 146456263
Dimensions11.00 × 5.93 × 3.79 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
11.00 mm5.93 mm1.50 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 146456263
Side View
Table 59.0%Crown 34.1°Girdle: MED-THKPavilion 41.6°CuletDepth 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 2
Current: £8,512 GBP|Low: £3,841 GBP|High: £8,512 GBP|Avg: £5,297 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
November 2, 2026
Retailer 2£3,849 GBP
Retailer 4£4,388 GBP
Retailer 3£4,438 GBP
Retailer 9£4,698 GBP
Retailer 12£4,698 GBP
Retailer 5£4,795 GBP
Retailer 11£5,089 GBP
Retailer 8£5,168 GBP
Retailer 6£5,559 GBP
Retailer 10£5,872 GBP
Retailer 7£7,498 GBP
NZ Jewellers£8,512 GBP

41 data points across 12 retailers

13 retailers£3,849 GBP to £8,512 GBP

A
Cheapest Retailer
-
£3,849 GBP
₹491,931 INR
B+
Retailer 2
-
£4,388 GBP
$5,889 USD
View
B+
Retailer 3
-
£4,438 GBP
$5,956 USD
View
B+
Retailer 4
-
£4,698 GBP
$6,304 USD
View
Final sale: no returns
B+
Retailer 5
-
£4,698 GBP
$6,304 USD
View
B+
Retailer 6
-
£4,795 GBP
View
B+
Retailer 7
-
£5,089 GBP
$6,829 USD
View
B+
Retailer 8
-
£5,168 GBP
$6,935 USD
View
B+
Retailer 9
-
£5,208 GBP
$6,989 USD
View
B+
Retailer 10
-
£5,559 GBP
€7,105 EUR
View
B+
Retailer 11
-
£5,872 GBP
$7,880 USD
View
B
Retailer 12
-
£7,498 GBP
View
Most Expensive
B
NZ Jewellers
2485ef2f-b8a5-49bf-9757-c988205f38a2 · Oct 30
£8,512 GBP
$11,422 USD
View
12 more retailers have this diamond
Prices start from £3,849 GBPSave up to £4,662 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
1.50ct Marquise
£3,849 GBP