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Marquise|Natural|IGI

0.71ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 815672535

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815672535

Diamond specifications and retailer prices

From £364 GBP
As of November 6, 2026
Save £1,190 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,554 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.71ct natural marquise diamond

This 0.71ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815672535. Listed at 12 retailers as of November 5, 2026, with prices from £364 to £1,554, a £1,190 spread on the same certified stone. NZ Jewellers lists it at £1,554. 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

0.71
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle33.5°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 815672535
Dimensions9.12 × 4.78 × 2.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
9.12 mm4.78 mm0.71 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 815672535
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,554 GBP|Low: £364 GBP|High: £1,554 GBP|Avg: £695 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£364 GBP
Retailer 9£464 GBP
Retailer 5£484 GBP
Retailer 3£496 GBP
Retailer 8£514 GBP
Retailer 11£571 GBP
Retailer 4£629 GBP
Retailer 10£696 GBP
Retailer 7£703 GBP
Retailer 6£1,142 GBP
NZ Jewellers£1,554 GBP

41 data points across 11 retailers

12 retailers£364 GBP to £1,554 GBP

Cheapest Retailer
-
£364 GBP
B+
Retailer 2
-
£464 GBP
View
B+
Retailer 3
-
£484 GBP
View
B+
Retailer 4
-
£496 GBP
View
B+
Retailer 5
-
£514 GBP
View
B+
Retailer 6
-
£557 GBP
View
B+
Retailer 7
-
£571 GBP
View
B+
Retailer 8
-
£629 GBP
View
B
Retailer 9
-
£696 GBP
View
B
Retailer 10
-
£703 GBP
View
B
Retailer 11
-
£1,142 GBP
View
Most Expensive
C
NZ Jewellers
224d626b-5941-4677-84df-1504003caaac · Nov 5
£1,554 GBP
$2,091 USD
View
11 more retailers have this diamond
Prices start from £364 GBPSave up to £1,190 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.

B+
0.71ct Marquise
£364 GBP