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Marquise|Natural|IGI

0.70ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 831669487

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831669487

Diamond specifications and retailer prices

From £476 GBP
As of November 6, 2026
Save £1,526 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,002 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 831669487. Listed at 13 retailers as of November 5, 2026, with prices from £476 to £2,002, a £1,526 spread on the same certified stone. NZ Jewellers lists it at £2,002. 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

0.70
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.1°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 831669487
Dimensions8.94 × 4.68 × 2.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
8.94 mm4.68 mm0.70 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 831669487
Side View
Table 58.0%Crown 37.1°Girdle: STK-VTKPavilion 38.2°Culet: NoneDepth 59.4%

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 6
Current: £2,002 GBP|Low: £476 GBP|High: £2,072 GBP|Avg: £826 GBP|-3.4%
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
November 6, 2026
Retailer 2£476 GBP
Retailer 4£589 GBP
Retailer 9£638 GBP
Retailer 11£638 GBP
Retailer 3£646 GBP
Retailer 10£663 GBP
Retailer 12£737 GBP
Retailer 13£737 GBP
Retailer 5£745 GBP
Retailer 7£840 GBP
Retailer 6£842 GBP
Retailer 8£1,168 GBP
NZ Jewellers£2,002 GBP

31 data points across 13 retailers

13 retailers£476 GBP to £2,002 GBP

A
Cheapest Retailer
-
£476 GBP
B+
Retailer 2
-
£589 GBP
View
Final sale: no returns
Retailer 3
-
£638 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£638 GBP
View
B+
Retailer 5
-
£646 GBP
View
B+
Retailer 6
-
£663 GBP
View
B+
Retailer 7
-
£737 GBP
View
B+
Retailer 8
-
£737 GBP
View
B+
Retailer 9
-
£745 GBP
View
B
Retailer 10
-
£840 GBP
View
B
Retailer 11
-
£842 GBP
View
B
Retailer 12
-
£1,168 GBP
View
Most Expensive
C
NZ Jewellers
65aa4420-3d4b-4047-806b-16793f90a4ef · Nov 5
£2,002 GBP
$2,679 USD
View
12 more retailers have this diamond
Prices start from £476 GBPSave up to £1,526 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
0.70ct Marquise
£476 GBP