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Marquise|Natural|IGI

1.51ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 743558411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558411

Diamond specifications and retailer prices

From £2,702 GBP
₹345,263 INR
As of November 2, 2026
Save £3,841 GBP (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,542 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743558411. Listed at 17 retailers as of October 30, 2026, with prices from £2,702 to £6,542, a £3,841 spread on the same certified stone. NZ Jewellers lists it at £6,542. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743558411
Dimensions11.46 × 5.78 × 3.69 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
11.46 mm5.78 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743558411
Side View
Table 60.0%Crown 46.2°Girdle: THN-STKPavilion 37.3°Culet: NoneDepth 63.8%

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: £6,542 GBP|Low: £2,697 GBP|High: £6,542 GBP|Avg: £3,982 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
Retailer 15
November 2, 2026
Retailer 2£2,702 GBP
Retailer 6£2,874 GBP
Retailer 14£2,891 GBP
Retailer 4£3,166 GBP
Retailer 5£3,473 GBP
Retailer 3£3,528 GBP
Retailer 7£3,610 GBP
Retailer 8£3,789 GBP
Retailer 9£3,801 GBP
Retailer 11£3,912 GBP
Retailer 12£3,912 GBP
Retailer 13£3,912 GBP
Retailer 15£4,513 GBP
Retailer 10£6,230 GBP
NZ Jewellers£6,542 GBP

26 data points across 15 retailers

17 retailers£2,702 GBP to £6,542 GBP

A
Cheapest Retailer
-
£2,702 GBP
₹345,263 INR
A
Retailer 2
-
£2,874 GBP
$3,857 USD
View
A
Retailer 3
-
£2,891 GBP
$3,880 USD
View
A
Retailer 4
-
£3,166 GBP
$4,248 USD
View
A
Retailer 5
-
£3,473 GBP
$4,660 USD
View
A
Retailer 6
-
£3,528 GBP
$4,735 USD
View
B+
Retailer 7
-
£3,610 GBP
$4,845 USD
View
Final sale: no returns
A
Retailer 8
-
£3,789 GBP
View
A
Retailer 9
-
£3,801 GBP
€4,858 EUR
View
A
Retailer 10
-
£3,912 GBP
$5,249 USD
View
A
Retailer 11
-
£3,912 GBP
$5,249 USD
View
A
Retailer 12
-
£3,912 GBP
$5,249 USD
View
B+
Retailer 13
-
£4,025 GBP
$5,402 USD
View
B+
Retailer 14
-
£4,513 GBP
$6,056 USD
View
Retailer 15
-
£4,513 GBP
$6,056 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£6,230 GBP
View
Most Expensive
B
NZ Jewellers
e8359b12-fd68-4b4d-a271-e836f1c8de0f · Oct 30
£6,542 GBP
$8,779 USD
View
16 more retailers have this diamond
Prices start from £2,702 GBPSave up to £3,841 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
1.51ct Marquise
£2,702 GBP