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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 $1,201 USD
As of October 28, 2026
Save $1,975 USD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,176 USD at NZ Jewellers · As of October 27, 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 17 retailers as of October 27, 2026, with prices from $1,201 to $3,176, a $1,975 spread on the same certified stone. NZ Jewellers lists it at $3,176. 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
Color
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 28
Current: $3,176 USD|Low: $1,101 USD|High: $3,176 USD|Avg: $1,645 USD
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 29, 2026
Retailer 8$1,201 USD
Retailer 3$1,207 USD
Retailer 12$1,302 USD
Retailer 9$1,325 USD
Retailer 10$1,415 USD
Retailer 4$1,437 USD
Retailer 11$1,503 USD
Retailer 2$1,512 USD
Retailer 6$1,686 USD
Retailer 7$1,940 USD
Retailer 5$2,398 USD
NZ Jewellers$3,176 USD

39 data points across 12 retailers

17 retailers$1,201 USD to $3,176 USD

A
Cheapest Retailer
-
$1,201 USD
Final sale: no returns
A
Retailer 2
-
$1,207 USD
View
Retailer 3
-
$1,302 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$1,302 USD
View
A
Retailer 5
-
$1,302 USD
View
A
Retailer 6
-
$1,325 USD
View
A
Retailer 7
-
$1,362 USD
View
A
Retailer 8
-
$1,415 USD
View
A
Retailer 9
-
$1,437 USD
View
Retailer 10
-
$1,503 USD
View
Price last confirmed 35 days ago
A
Retailer 11
-
$1,503 USD
View
A
Retailer 12
-
$1,512 USD
£1,190 GBP
View
A
Retailer 13
-
$1,686 USD
€1,606 EUR
View
B+
Retailer 14
-
$1,940 USD
ZAR 31,341 ZAR
View
B
Retailer 15
-
$2,398 USD
£1,888 GBP
View
Retailer 16
-
$3,176 USD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
35724f69-6ab7-4819-8aed-76f892426d47 · Oct 27
$3,176 USD
View
16 more retailers have this diamond
Prices start from $1,201 USDSave up to $1,975 USD

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
$1,201 USD