Marquise|Natural|IGI

1.00ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 770656548

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 770656548

Diamond specifications and retailer prices

From £1,103 GBP
As of November 5, 2026
Save £1,589 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,693 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 770656548. Listed at 6 retailers as of November 5, 2026, with prices from £1,103 to £2,693, a £1,589 spread on the same certified stone. NZ Jewellers lists it at £2,693. 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

1.00
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.1°
Pavilion angle35.1°
OriginNatural
Grading LabIGI
CertificateIGI 770656548
Dimensions10.11 × 5.31 × 2.96 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.11 mm5.31 mm1.00 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770656548
Side View
Table 63.0%Crown 40.1°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 55.7%

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 5
Current: £2,693 GBP|Low: £976 GBP|High: £2,839 GBP|Avg: £1,433 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£976 GBP
Retailer 4£1,103 GBP
Retailer 8£1,111 GBP
Retailer 6£1,128 GBP
Retailer 5£1,155 GBP
Retailer 7£1,230 GBP
Retailer 2£1,496 GBP
Retailer 3£1,928 GBP
NZ Jewellers£2,693 GBP

34 data points across 9 retailers

6 retailers£1,103 GBP to £2,693 GBP

A
Cheapest Retailer
-
£1,103 GBP
A
Retailer 2
-
£1,128 GBP
View
A
Retailer 3
-
£1,155 GBP
View
A
Retailer 4
-
£1,496 GBP
View
B+
Retailer 5
-
£1,928 GBP
View
Most Expensive
B
NZ Jewellers
42edc02d-b122-45bd-9f65-6a1e5391db38 · Nov 5
£2,693 GBP
$3,604 USD
View
5 more retailers have this diamond
Prices start from £1,103 GBPSave up to £1,589 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
1.00ct Marquise
£1,103 GBP