Marquise|Natural|IGI

1.04ct K SI1 Marquise Natural Diamond

EX • K/SI1 • IGI 732543199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 732543199

Diamond specifications and retailer prices

From £768 GBP
As of November 6, 2026
Save £4,050 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,817 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.04ct natural marquise diamond

This 1.04ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 732543199. Listed at 11 retailers as of November 2, 2026, with prices from £768 to £4,817, a £4,050 spread on the same certified stone. MOH London lists it at £4,817. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 732543199
Dimensions10.01 × 5.30 × 3.33 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
10.01 mm5.30 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 732543199
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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 6
Current: £4,817 GBP|Low: £768 GBP|High: £4,817 GBP|Avg: £1,585 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£768 GBP
Retailer 4£1,314 GBP
Retailer 3£1,331 GBP
Retailer 9£2,649 GBP
Retailer 8£2,753 GBP
Retailer 6£2,809 GBP
Retailer 7£2,881 GBP
Retailer 10£3,323 GBP
Retailer 5£3,515 GBP
MOH London£4,817 GBP

43 data points across 10 retailers

11 retailers£768 GBP to £4,817 GBP

A
Cheapest Retailer
-
£768 GBP
A
Retailer 2
-
£921 GBP
View
B+
Retailer 3
-
£1,314 GBP
View
A
Retailer 4
-
£1,331 GBP
View
B
Retailer 5
-
£2,649 GBP
View
B
Retailer 6
-
£2,753 GBP
View
B
Retailer 7
-
£2,809 GBP
View
B
Retailer 8
-
£2,881 GBP
View
B
Retailer 9
-
£3,323 GBP
View
C
Retailer 10
-
£3,515 GBP
View
Most Expensive
C
MOH London
614124D7B · Nov 2
£4,817 GBP
View
10 more retailers have this diamond
Prices start from £768 GBPSave up to £4,050 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
1.04ct Marquise
£768 GBP