Marquise|Natural|IGI

1.51ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 801638680

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 801638680

Diamond specifications and retailer prices

From £5,807 GBP
₹741,078 INR
As of November 1, 2026
Save £6,763 GBP (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £12,570 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 801638680. Listed at 19 retailers as of October 30, 2026, with prices from £5,807 to £12,570, a £6,763 spread on the same certified stone. NZ Jewellers lists it at £12,570. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 801638680
Dimensions10.63 × 5.86 × 3.97 mm
L/W Ratio1.81
Girdle conditionFaceted
Top View
10.63 mm5.86 mm1.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638680
Side View
Table 58.0%Crown 42.2°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 67.7%

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: £12,570 GBP|Low: £5,794 GBP|High: £12,570 GBP|Avg: £8,091 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
Retailer 16
November 2, 2026
Retailer 11£5,807 GBP
Retailer 14£6,877 GBP
Retailer 10£6,893 GBP
Retailer 2£6,932 GBP
Retailer 7£6,937 GBP
Retailer 15£6,938 GBP
Retailer 4£7,516 GBP
Retailer 8£7,555 GBP
Retailer 16£7,631 GBP
Retailer 5£7,759 GBP
Retailer 9£7,950 GBP
Retailer 3£8,672 GBP
Retailer 6£8,949 GBP
Retailer 13£9,233 GBP
Retailer 12£9,816 GBP
NZ Jewellers£12,570 GBP

31 data points across 16 retailers

19 retailers£5,807 GBP to £12,570 GBP

A
Cheapest Retailer
-
£5,807 GBP
₹741,078 INR
A
Retailer 2
-
£6,404 GBP
$8,581 USD
View
A
Retailer 3
-
£6,496 GBP
$8,704 USD
View
A
Retailer 4
-
£6,877 GBP
$9,215 USD
View
A
Retailer 5
-
£6,893 GBP
View
A
Retailer 6
-
£6,932 GBP
View
A
Retailer 7
-
£6,937 GBP
$9,295 USD
View
Final sale: no returns
A
Retailer 8
-
£6,938 GBP
$9,296 USD
View
B+
Retailer 9
-
£7,516 GBP
$10,070 USD
View
B+
Retailer 10
-
£7,530 GBP
View
Retailer 11
-
£7,555 GBP
$10,123 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
£7,631 GBP
$10,225 USD
View
B+
Retailer 13
-
£7,686 GBP
$10,299 USD
View
B+
Retailer 14
-
£7,759 GBP
$10,396 USD
View
B+
Retailer 15
-
£7,950 GBP
€10,145 EUR
View
B+
Retailer 16
-
£8,672 GBP
$11,619 USD
View
B+
Retailer 17
-
£9,233 GBP
ZAR 199,864 ZAR
View
B
Retailer 18
-
£9,816 GBP
View
Most Expensive
B
NZ Jewellers
c33492fe-df17-4cad-9a7e-0f833ab2a11e · Oct 30
£12,570 GBP
$16,843 USD
View
18 more retailers have this diamond
Prices start from £5,807 GBPSave up to £6,763 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
£5,807 GBP