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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 $1,539 SGD
$1,201 USD
As of October 28, 2026
Save $2,531 SGD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,071 SGD 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 $1,539 to $4,071, a $2,531 spread on the same certified stone. NZ Jewellers lists it at $4,071. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,071 SGD|Low: $1,411 SGD|High: $4,071 SGD|Avg: $2,108 SGD
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$1,539 SGD
Retailer 3$1,547 SGD
Retailer 12$1,669 SGD
Retailer 9$1,698 SGD
Retailer 10$1,814 SGD
Retailer 4$1,842 SGD
Retailer 11$1,926 SGD
Retailer 2$1,937 SGD
Retailer 6$2,161 SGD
Retailer 7$2,487 SGD
Retailer 5$3,073 SGD
NZ Jewellers$4,071 SGD

39 data points across 12 retailers

17 retailers$1,539 SGD to $4,071 SGD

A
Cheapest Retailer
-
$1,539 SGD
$1,201 USD
Final sale: no returns
A
Retailer 2
-
$1,547 SGD
$1,207 USD
View
A
Retailer 3
-
$1,669 SGD
$1,302 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$1,669 SGD
$1,302 USD
View
A
Retailer 5
-
$1,669 SGD
$1,302 USD
View
A
Retailer 6
-
$1,698 SGD
$1,325 USD
View
A
Retailer 7
-
$1,746 SGD
$1,362 USD
View
A
Retailer 8
-
$1,814 SGD
$1,415 USD
View
A
Retailer 9
-
$1,842 SGD
$1,437 USD
View
A
Retailer 10
-
$1,926 SGD
$1,503 USD
View
Price last confirmed 35 days ago
A
Retailer 11
-
$1,926 SGD
$1,503 USD
View
A
Retailer 12
-
$1,937 SGD
£1,190 GBP
View
A
Retailer 13
-
$2,161 SGD
€1,606 EUR
View
B+
Retailer 14
-
$2,487 SGD
ZAR 31,341 ZAR
View
B
Retailer 15
-
$3,073 SGD
£1,888 GBP
View
B
Retailer 16
-
$4,071 SGD
$3,176 USD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
35724f69-6ab7-4819-8aed-76f892426d47 · Oct 27
$4,071 SGD
$3,176 USD
View
16 more retailers have this diamond
Prices start from $1,539 SGDSave up to $2,531 SGD

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
$1,539 SGD