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Marquise|Natural|IGI

1.00ct H I1 Marquise Natural Diamond

VG • H/I1 • IGI 696515797

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 696515797

Diamond specifications and retailer prices

From £1,123 GBP
$1,507 USD
As of November 1, 2026
Save £1,831 GBP (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,954 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 696515797. Listed at 10 retailers as of October 30, 2026, with prices from £1,123 to £2,954, a £1,831 spread on the same certified stone. NZ Jewellers lists it at £2,954. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 696515797
Dimensions9.56 × 5.16 × 3.40 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
9.56 mm5.16 mm1.00 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 696515797
Side View
Table 61.0%Crown 38°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,653 GBP|Low: £1,123 GBP|High: £1,655 GBP|Avg: £1,275 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3£1,123 GBP
Retailer 5£1,133 GBP
Retailer 4£1,211 GBP
Retailer 2£1,267 GBP
Retailer 1£1,653 GBP

18 data points across 5 retailers

10 retailers£1,123 GBP to £2,954 GBP

B+
Cheapest Retailer
-
£1,123 GBP
$1,507 USD
Retailer 2
-
£1,211 GBP
$1,625 USD
View
Price last confirmed 48 days ago
B+
Retailer 3
-
£1,211 GBP
$1,625 USD
View
B+
Retailer 4
-
£1,211 GBP
$1,625 USD
View
B+
Retailer 5
-
£1,267 GBP
$1,700 USD
View
B+
Retailer 6
-
£1,267 GBP
$1,701 USD
View
Retailer 7
-
£1,397 GBP
$1,875 USD
View
Price last confirmed 56 days ago
B+
Retailer 8
-
£1,397 GBP
$1,875 USD
View
B+
Retailer 9
-
£1,653 GBP
€2,113 EUR
View
Most Expensive
C
NZ Jewellers
b26e141e-f9b4-4f14-aa07-c8197cc35c42 · Oct 30
£2,954 GBP
$3,964 USD
View
9 more retailers have this diamond
Prices start from £1,123 GBPSave up to £1,831 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.

B+
1.00ct Marquise
£1,123 GBP