Marquise|Natural|IGI

1.00ct I VS2 Marquise Natural Diamond

EX • I/VS2 • IGI 805670450

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 805670450

Diamond specifications and retailer prices

From £1,567 GBP
As of November 5, 2026
Save £2,771 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,338 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 805670450. Listed at 14 retailers as of November 5, 2026, with prices from £1,567 to £4,338, a £2,771 spread on the same certified stone. NZ Jewellers lists it at £4,338. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 805670450
Dimensions10.14 × 5.20 × 3.19 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
10.14 mm5.20 mm1.00 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 805670450
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.3%

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: £4,338 GBP|Low: £1,567 GBP|High: £4,338 GBP|Avg: £2,234 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 5, 2026
Retailer 5£1,567 GBP
Retailer 12£1,824 GBP
Retailer 4£1,875 GBP
Retailer 3£1,914 GBP
Retailer 2£2,011 GBP
Retailer 11£2,074 GBP
Retailer 10£2,155 GBP
Retailer 6£2,256 GBP
Retailer 9£2,394 GBP
Retailer 8£2,456 GBP
Retailer 7£3,625 GBP
NZ Jewellers£4,338 GBP

29 data points across 12 retailers

14 retailers£1,567 GBP to £4,338 GBP

A
Cheapest Retailer
-
£1,567 GBP
Retailer 2
-
£1,824 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£1,875 GBP
View
A
Retailer 4
-
£1,914 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,957 GBP
View
A
Retailer 6
-
£2,011 GBP
View
A
Retailer 7
-
£2,074 GBP
View
A
Retailer 8
-
£2,155 GBP
View
A
Retailer 9
-
£2,256 GBP
View
A
Retailer 10
-
£2,394 GBP
View
A
Retailer 11
-
£2,456 GBP
View
B+
Retailer 12
-
£3,000 GBP
View
B
Retailer 13
-
£3,625 GBP
View
Most Expensive
B
NZ Jewellers
152dd418-eb02-4538-894d-e386e77fcbd5 · Nov 5
£4,338 GBP
$5,838 USD
View
13 more retailers have this diamond
Prices start from £1,567 GBPSave up to £2,771 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
£1,567 GBP