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Marquise|Natural|IGI

1.01ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 671474660

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 671474660

Diamond specifications and retailer prices

From £1,182 GBP
$1,584 USD
As of November 1, 2026
Save £1,983 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,165 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474660. Listed at 14 retailers as of October 30, 2026, with prices from £1,182 to £3,165, a £1,983 spread on the same certified stone. NZ Jewellers lists it at £3,165. 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

1.01
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 671474660
Dimensions9.87 × 5.20 × 3.30 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
9.87 mm5.20 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474660
Side View
Table 62.0%Crown 40°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.5%

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: £3,165 GBP|Low: £1,098 GBP|High: £3,165 GBP|Avg: £1,540 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
November 2, 2026
Retailer 7£1,182 GBP
Retailer 14£1,197 GBP
Retailer 15£1,217 GBP
Retailer 4£1,269 GBP
Retailer 2£1,283 GBP
Retailer 11£1,298 GBP
Retailer 12£1,298 GBP
Retailer 10£1,358 GBP
Retailer 3£1,359 GBP
Retailer 5£1,400 GBP
Retailer 13£1,497 GBP
Retailer 6£1,544 GBP
Retailer 8£1,772 GBP
Retailer 9£2,285 GBP
NZ Jewellers£3,165 GBP

46 data points across 15 retailers

14 retailers£1,182 GBP to £3,165 GBP

A
Cheapest Retailer
-
£1,182 GBP
$1,584 USD
B+
Retailer 2
-
£1,197 GBP
$1,604 USD
View
Final sale: no returns
A
Retailer 3
-
£1,217 GBP
$1,630 USD
View
B+
Retailer 4
-
£1,269 GBP
$1,700 USD
View
A
Retailer 5
-
£1,283 GBP
View
B+
Retailer 6
-
£1,298 GBP
$1,739 USD
View
B+
Retailer 7
-
£1,298 GBP
$1,739 USD
View
B+
Retailer 8
-
£1,358 GBP
$1,819 USD
View
B+
Retailer 9
-
£1,359 GBP
$1,821 USD
View
B+
Retailer 10
-
£1,400 GBP
$1,876 USD
View
B+
Retailer 11
-
£1,497 GBP
$2,006 USD
View
B+
Retailer 12
-
£1,772 GBP
€2,261 EUR
View
B
Retailer 13
-
£2,285 GBP
View
Most Expensive
B
NZ Jewellers
0ba7c6d4-3a54-4754-b01b-b9a2462349d7 · Oct 30
£3,165 GBP
$4,241 USD
View
13 more retailers have this diamond
Prices start from £1,182 GBPSave up to £1,983 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
1.01ct Marquise
£1,182 GBP