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Marquise|Natural|IGI

0.78ct E SI1 Marquise Natural Diamond

VG • E/SI1 • IGI 733580226

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 733580226

Diamond specifications and retailer prices

From £896 GBP
$1,201 USD
As of October 30, 2026
Save £1,474 GBP (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,370 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 733580226. Listed at 18 retailers as of October 30, 2026, with prices from £896 to £2,370, a £1,474 spread on the same certified stone. NZ Jewellers lists it at £2,370. 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

0.78
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle35.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 733580226
Dimensions9.38 × 4.75 × 3.09 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Top View
9.38 mm4.75 mm0.78 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 733580226
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 65.1%

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: Oct 30
Current: £2,370 GBP|Low: £822 GBP|High: £2,370 GBP|Avg: £1,232 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
October 31, 2026
Retailer 8£896 GBP
Retailer 3£901 GBP
Retailer 12£972 GBP
Retailer 9£989 GBP
Retailer 10£1,056 GBP
Retailer 4£1,073 GBP
Retailer 11£1,122 GBP
Retailer 2£1,128 GBP
Retailer 6£1,256 GBP
Retailer 5£1,451 GBP
Retailer 7£1,790 GBP
NZ Jewellers£2,370 GBP

40 data points across 12 retailers

18 retailers£896 GBP to £2,370 GBP

A
Cheapest Retailer
-
£896 GBP
$1,201 USD
Final sale: no returns
A
Retailer 2
-
£901 GBP
$1,207 USD
View
Retailer 3
-
£972 GBP
$1,302 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
£972 GBP
$1,302 USD
View
A
Retailer 5
-
£972 GBP
$1,302 USD
View
A
Retailer 6
-
£989 GBP
$1,325 USD
View
A
Retailer 7
-
£1,017 GBP
$1,362 USD
View
A
Retailer 8
-
£1,056 GBP
$1,415 USD
View
A
Retailer 9
-
£1,073 GBP
$1,437 USD
View
Retailer 10
-
£1,122 GBP
$1,503 USD
View
Price last confirmed 37 days ago
A
Retailer 11
-
£1,122 GBP
$1,503 USD
View
A
Retailer 12
-
£1,128 GBP
View
A
Retailer 13
-
£1,256 GBP
€1,603 EUR
View
B+
Retailer 14
-
£1,451 GBP
ZAR 31,419 ZAR
View
B
Retailer 15
-
£1,790 GBP
View
Retailer 16
-
£2,370 GBP
$3,176 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
£2,370 GBP
$3,176 USD
View
Most Expensive
B
NZ Jewellers
738b0292-1683-4c83-bda0-9c6d7f1665b6 · Oct 30
£2,370 GBP
$3,176 USD
View
17 more retailers have this diamond
Prices start from £896 GBPSave up to £1,474 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
0.78ct Marquise
£896 GBP