Marquise|Natural|IGI

0.91ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 815639079

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815639079

Diamond specifications and retailer prices

From $1,992 SGD
$1,558 USD
As of November 2, 2026
Save $2,924 SGD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,915 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815639079. Listed at 9 retailers as of October 30, 2026, with prices from $1,992 to $4,915, a $2,924 spread on the same certified stone. NZ Jewellers lists it at $4,915. 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

0.91
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 815639079
Dimensions10.19 × 4.86 × 3.02 mm
L/W Ratio2.10
Girdle conditionFaceted
Top View
10.19 mm4.86 mm0.91 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815639079
Side View
Table 62.0%Crown 36.6°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 62.1%

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: Nov 2
Current: $4,915 SGD|Low: $1,992 SGD|High: $5,023 SGD|Avg: $2,839 SGD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$1,992 SGD
Retailer 7$2,015 SGD
Retailer 6$2,108 SGD
Retailer 9$2,201 SGD
Retailer 5$2,205 SGD
Retailer 2$2,677 SGD
Retailer 4$3,549 SGD
Retailer 3$3,889 SGD
NZ Jewellers$4,915 SGD

36 data points across 9 retailers

9 retailers$1,992 SGD to $4,915 SGD

A
Cheapest Retailer
-
$1,992 SGD
$1,558 USD
A
Retailer 2
-
$2,015 SGD
$1,576 USD
View
A
Retailer 3
-
$2,108 SGD
$1,649 USD
View
B+
Retailer 4
-
$2,201 SGD
$1,722 USD
View
B+
Retailer 5
-
$2,205 SGD
$1,725 USD
View
B+
Retailer 6
-
$2,677 SGD
€1,994 EUR
View
B
Retailer 7
-
$3,549 SGD
£2,186 GBP
View
B
Retailer 8
-
$3,889 SGD
£2,396 GBP
View
Most Expensive
C
NZ Jewellers
7d0b2ad4-02c3-44da-a43d-a356d0377b47 · Oct 30
$4,915 SGD
$3,845 USD
View
8 more retailers have this diamond
Prices start from $1,992 SGDSave up to $2,924 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
0.91ct Marquise
$1,992 SGD