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Marquise|Natural|IGI

0.70ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 706509239

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 706509239

Diamond specifications and retailer prices

From £581 GBP
As of November 6, 2026
Save £1,312 GBP (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,892 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 706509239. Listed at 17 retailers as of November 5, 2026, with prices from £581 to £1,892, a £1,312 spread on the same certified stone. NZ Jewellers lists it at £1,892. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 706509239
Dimensions10.01 × 4.32 × 2.72 mm
L/W Ratio2.32
Girdle conditionFaceted
Culet sizePointed
Top View
10.01 mm4.32 mm0.70 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 706509239
Side View
Table 59.0%Crown 37.5°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 63.0%

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: £1,892 GBP|Low: £581 GBP|High: £1,892 GBP|Avg: £976 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
Retailer 17
November 6, 2026
Retailer 2£581 GBP
Retailer 16£713 GBP
Retailer 7£716 GBP
Retailer 9£758 GBP
Retailer 3£776 GBP
Retailer 8£776 GBP
Retailer 4£805 GBP
Retailer 6£831 GBP
Retailer 5£876 GBP
Retailer 15£882 GBP
Retailer 17£895 GBP
Retailer 12£925 GBP
Retailer 10£973 GBP
Retailer 14£1,025 GBP
Retailer 11£1,158 GBP
Retailer 13£1,419 GBP
NZ Jewellers£1,892 GBP

29 data points across 17 retailers

17 retailers£581 GBP to £1,892 GBP

A
Cheapest Retailer
-
£581 GBP
B+
Retailer 2
-
£713 GBP
View
B+
Retailer 3
-
£716 GBP
View
Final sale: no returns
B+
Retailer 4
-
£758 GBP
View
B+
Retailer 5
-
£776 GBP
View
Retailer 6
-
£776 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£805 GBP
View
B
Retailer 8
-
£831 GBP
View
B
Retailer 9
-
£876 GBP
View
B
Retailer 10
-
£882 GBP
View
B
Retailer 11
-
£895 GBP
View
B
Retailer 12
-
£925 GBP
View
B
Retailer 13
-
£973 GBP
View
B
Retailer 14
-
£1,025 GBP
View
B
Retailer 15
-
£1,158 GBP
View
B
Retailer 16
-
£1,419 GBP
View
Most Expensive
C
NZ Jewellers
957b964c-2fa8-4fb6-814f-fba26ebcb1e1 · Nov 5
£1,892 GBP
$2,533 USD
View
16 more retailers have this diamond
Prices start from £581 GBPSave up to £1,312 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
£581 GBP