Marquise|Natural|IGI

0.81ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 831666082

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831666082

Diamond specifications and retailer prices

From £940 GBP
$1,260 USD
As of November 1, 2026
Save £1,676 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,616 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural marquise diamond

This 0.81ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 831666082. Listed at 17 retailers as of October 30, 2026, with prices from £940 to £2,616, a £1,676 spread on the same certified stone. NZ Jewellers lists it at £2,616. 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

0.81
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 831666082
Dimensions9.84 × 4.84 × 2.91 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizeNone
Top View
9.84 mm4.84 mm0.81 ctI / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 831666082
Side View
Table 59.0%Crown 35.4°Girdle: THN-THKPavilion 37.8°Culet: NoneDepth 60.1%

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: £2,616 GBP|Low: £940 GBP|High: £2,616 GBP|Avg: £1,342 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 2, 2026
Retailer 14£940 GBP
Retailer 16£994 GBP
Retailer 4£1,072 GBP
Retailer 6£1,072 GBP
Retailer 9£1,074 GBP
Retailer 8£1,119 GBP
Retailer 15£1,122 GBP
Retailer 3£1,146 GBP
Retailer 17£1,174 GBP
Retailer 10£1,206 GBP
Retailer 7£1,237 GBP
Retailer 11£1,245 GBP
Retailer 2£1,493 GBP
Retailer 13£1,586 GBP
Retailer 12£1,879 GBP
Retailer 5£1,934 GBP
NZ Jewellers£2,616 GBP

36 data points across 17 retailers

17 retailers£940 GBP to £2,616 GBP

A
Cheapest Retailer
-
£940 GBP
$1,260 USD
A
Retailer 2
-
£994 GBP
$1,332 USD
View
A
Retailer 3
-
£1,072 GBP
$1,437 USD
View
A
Retailer 4
-
£1,072 GBP
$1,437 USD
View
A
Retailer 5
-
£1,074 GBP
$1,439 USD
View
A
Retailer 6
-
£1,119 GBP
$1,499 USD
View
A
Retailer 7
-
£1,122 GBP
$1,503 USD
View
B+
Retailer 8
-
£1,146 GBP
$1,535 USD
View
B+
Retailer 9
-
£1,174 GBP
$1,572 USD
View
A
Retailer 10
-
£1,206 GBP
View
B+
Retailer 11
-
£1,237 GBP
$1,658 USD
View
A
Retailer 12
-
£1,245 GBP
View
B+
Retailer 13
-
£1,493 GBP
€1,905 EUR
View
B+
Retailer 14
-
£1,586 GBP
ZAR 34,334 ZAR
View
B+
Retailer 15
-
£1,879 GBP
View
B
Retailer 16
-
£1,934 GBP
View
Most Expensive
B
NZ Jewellers
4a400935-5635-4cdc-bee7-e0ff5ba9862b · Oct 30
£2,616 GBP
$3,505 USD
View
16 more retailers have this diamond
Prices start from £940 GBPSave up to £1,676 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
0.81ct Marquise
£940 GBP