CaratHunter
Plans
Marquise|Natural|IGI

1.50ct M SI2 Marquise Natural Diamond

VG • M/SI2 • IGI 830653466

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830653466

Diamond specifications and retailer prices

From £915 GBP
As of November 4, 2026
Save £626 GBP (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,541 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653466. Listed at 4 retailers as of November 4, 2026, with prices from £915 to £1,541, a £626 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,541. 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
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 830653466
Dimensions11.13 × 5.80 × 3.79 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
11.13 mm5.80 mm1.50 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 830653466
Side View
Table 58.0%Crown 40.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £915 GBP|Low: £915 GBP|High: £1,541 GBP|Avg: £1,276 GBP
Retailer 1
Retailer 2
Retailer 3
Wholesale Diamonds Direct
November 4, 2026
Retailer 1£915 GBP
Retailer 2£920 GBP
Retailer 3£1,279 GBP
Wholesale Diamonds Direct£1,541 GBP

4 data points across 4 retailers

4 retailers£915 GBP to £1,541 GBP

B+
Cheapest Retailer
-
£915 GBP
Retailer 2
-
£920 GBP
View
Price last confirmed 7 days ago
B+
Retailer 3
-
£1,279 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
610677838 · Nov 6
£1,541 GBP
$2,063 USD
View
3 more retailers have this diamond
Prices start from £915 GBPSave up to £626 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.

B+
1.50ct Marquise
£915 GBP