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Marquise|Natural|IGI

1.51ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 842601422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 842601422

Diamond specifications and retailer prices

From £4,362 GBP
$5,844 USD
As of November 1, 2026
Save £4,003 GBP (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £8,365 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 842601422. Listed at 17 retailers as of October 30, 2026, with prices from £4,362 to £8,365, a £4,003 spread on the same certified stone. NZ Jewellers lists it at £8,365. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 842601422
Dimensions11.31 × 5.97 × 3.87 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
11.31 mm5.97 mm1.51 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 842601422
Side View
Table 61.0%Crown 38.6°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 64.8%

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 1
Current: £8,365 GBP|Low: £4,362 GBP|High: £9,043 GBP|Avg: £5,640 GBP|-7.5%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 8£4,362 GBP
Retailer 9£4,393 GBP
Retailer 5£4,413 GBP
Retailer 6£4,616 GBP
Retailer 16£4,617 GBP
Retailer 4£4,638 GBP
Retailer 2£4,646 GBP
Retailer 11£4,852 GBP
Retailer 13£5,001 GBP
Retailer 17£5,078 GBP
Retailer 7£5,414 GBP
Retailer 10£5,464 GBP
Retailer 15£5,771 GBP
Retailer 14£6,145 GBP
Retailer 3£6,540 GBP
Retailer 12£7,369 GBP
NZ Jewellers£8,365 GBP

23 data points across 17 retailers

17 retailers£4,362 GBP to £8,365 GBP

A
Cheapest Retailer
-
£4,362 GBP
$5,844 USD
Retailer 2
-
£4,393 GBP
₹560,544 INR
View
Price last confirmed 13 days ago
A
Retailer 3
-
£4,413 GBP
$5,913 USD
View
A
Retailer 4
-
£4,616 GBP
$6,185 USD
View
Final sale: no returns
A
Retailer 5
-
£4,617 GBP
$6,186 USD
View
A
Retailer 6
-
£4,638 GBP
$6,215 USD
View
A
Retailer 7
-
£4,646 GBP
View
A
Retailer 8
-
£4,852 GBP
View
A
Retailer 9
-
£5,001 GBP
$6,701 USD
View
A
Retailer 10
-
£5,078 GBP
$6,804 USD
View
A
Retailer 11
-
£5,414 GBP
View
A
Retailer 12
-
£5,464 GBP
€6,972 EUR
View
A
Retailer 13
-
£5,771 GBP
$7,732 USD
View
A
Retailer 14
-
£6,145 GBP
ZAR 133,015 ZAR
View
B+
Retailer 15
-
£6,540 GBP
$8,763 USD
View
A
Retailer 16
-
£7,369 GBP
View
Most Expensive
B+
NZ Jewellers
e7b22091-2ce1-4e14-b20c-137e77ee00d4 · Oct 30
£8,365 GBP
$11,208 USD
View
16 more retailers have this diamond
Prices start from £4,362 GBPSave up to £4,003 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
£4,362 GBP