CaratHunter
Plans
Marquise|Natural|IGI

1.51ct L SI2 Marquise Natural Diamond

VG • L/SI2 • IGI 788607795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607795

Diamond specifications and retailer prices

From £1,631 GBP
As of November 6, 2026
Save £2,201 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,832 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607795. Listed at 11 retailers as of November 5, 2026, with prices from £1,631 to £3,832, a £2,201 spread on the same certified stone. NZ Jewellers lists it at £3,832. 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

1.51
Carat
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 788607795
Dimensions11.11 × 5.94 × 3.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
11.11 mm5.94 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607795
Side View
Table 58.0%Crown 43.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 64.8%

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 6
Current: £3,832 GBP|Low: £1,631 GBP|High: £3,949 GBP|Avg: £2,140 GBP|-3.0%
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 6, 2026
Retailer 2£1,631 GBP
Retailer 11£1,795 GBP
Retailer 5£1,823 GBP
Retailer 10£1,833 GBP
Retailer 3£1,889 GBP
Retailer 6£1,910 GBP
Retailer 9£1,917 GBP
Retailer 12£1,928 GBP
Retailer 8£2,084 GBP
Retailer 7£2,241 GBP
Retailer 4£2,247 GBP
NZ Jewellers£3,832 GBP

43 data points across 12 retailers

11 retailers£1,631 GBP to £3,832 GBP

B+
Cheapest Retailer
-
£1,631 GBP
B+
Retailer 2
-
£1,795 GBP
View
B+
Retailer 3
-
£1,823 GBP
View
B+
Retailer 4
-
£1,833 GBP
View
Retailer 5
-
£1,889 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,910 GBP
View
B+
Retailer 7
-
£1,917 GBP
View
B+
Retailer 8
-
£1,928 GBP
View
B+
Retailer 9
-
£2,084 GBP
View
B+
Retailer 10
-
£2,241 GBP
View
Most Expensive
C
NZ Jewellers
1593ac59-6a09-4efc-bda3-2d27ad30e31a · Nov 5
£3,832 GBP
$5,129 USD
View
10 more retailers have this diamond
Prices start from £1,631 GBPSave up to £2,201 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+
1.51ct Marquise
£1,631 GBP