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Marquise|Natural|IGI

0.85ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 502165563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 502165563

Diamond specifications and retailer prices

From £589 GBP
₹75,115 INR
As of November 1, 2026
Save £1,347 GBP (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,935 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.85ct natural marquise diamond

This 0.85ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 502165563. Listed at 13 retailers as of October 30, 2026, with prices from £589 to £1,935, a £1,347 spread on the same certified stone. NZ Jewellers lists it at £1,935. 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

0.85
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle31.5°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 502165563
Dimensions9.84 × 5.03 × 2.91 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Top View
9.84 mm5.03 mm0.85 ctI / SI2
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 502165563
Side View
Table 57.5%Crown 31.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 57.9%

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: £1,935 GBP|Low: £587 GBP|High: £1,935 GBP|Avg: £977 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
November 2, 2026
Retailer 5£589 GBP
Retailer 3£731 GBP
Retailer 12£761 GBP
Retailer 8£793 GBP
Retailer 11£793 GBP
Retailer 10£824 GBP
Retailer 4£834 GBP
Retailer 9£916 GBP
Retailer 2£1,053 GBP
Retailer 7£1,114 GBP
Retailer 6£1,453 GBP
NZ Jewellers£1,935 GBP

44 data points across 12 retailers

13 retailers£589 GBP to £1,935 GBP

A
Cheapest Retailer
-
£589 GBP
₹75,115 INR
B+
Retailer 2
-
£731 GBP
$980 USD
View
Final sale: no returns
B+
Retailer 3
-
£760 GBP
$1,018 USD
View
B+
Retailer 4
-
£761 GBP
$1,020 USD
View
B+
Retailer 5
-
£793 GBP
$1,063 USD
View
B+
Retailer 6
-
£793 GBP
$1,063 USD
View
B+
Retailer 7
-
£824 GBP
$1,104 USD
View
B+
Retailer 8
-
£834 GBP
$1,117 USD
View
B+
Retailer 9
-
£916 GBP
$1,227 USD
View
B+
Retailer 10
-
£1,053 GBP
View
B+
Retailer 11
-
£1,114 GBP
€1,421 EUR
View
B
Retailer 12
-
£1,453 GBP
View
Most Expensive
B
NZ Jewellers
9cea1324-8b3a-4757-b73f-41208162a97b · Oct 30
£1,935 GBP
$2,593 USD
View
12 more retailers have this diamond
Prices start from £589 GBPSave up to £1,347 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
0.85ct Marquise
£589 GBP