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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 807646677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 807646677

Diamond specifications and retailer prices

From $1,929 CAD
SGD 1,865 SGD
As of October 29, 2026
Save $3,231 CAD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,159 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 807646677. Listed at 14 retailers as of October 27, 2026, with prices from $1,929 to $5,159, a $3,231 spread on the same certified stone. NZ Jewellers lists it at $5,159. 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

1.00
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.9°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 807646677
Dimensions9.18 × 5.25 × 3.40 mm
L/W Ratio1.75
Girdle conditionFaceted
Top View
9.18 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 807646677
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 64.8%

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: Oct 29
Current: $2,044 CAD|Low: $1,760 CAD|High: $3,750 CAD|Avg: $2,453 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$1,782 CAD
Retailer 9$1,929 CAD
Retailer 10$1,952 CAD
Retailer 1$2,044 CAD
Retailer 6$2,124 CAD
Retailer 11$2,213 CAD
Retailer 7$2,408 CAD
Retailer 3$2,441 CAD
Retailer 5$2,885 CAD
Retailer 2$3,050 CAD
Retailer 4$3,727 CAD

33 data points across 11 retailers

14 retailers$1,929 CAD to $5,159 CAD

Retailer 1
-
$1,782 CAD
€1,214 EUR
Price last confirmed 7 days ago
A
Retailer 2
-
$1,929 CAD
SGD 1,865 SGD
View
A
Retailer 3
-
$1,942 CAD
$1,390 USD
View
A
Retailer 4
-
$2,044 CAD
$1,463 USD
View
A
Retailer 5
-
$2,110 CAD
$1,510 USD
View
Retailer 6
-
$2,116 CAD
$1,514 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$2,124 CAD
$1,520 USD
View
Retailer 8
-
$2,213 CAD
$1,584 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,408 CAD
£1,357 GBP
View
B+
Retailer 10
-
$2,441 CAD
$1,747 USD
View
B+
Retailer 11
-
$2,885 CAD
€1,966 EUR
View
B+
Retailer 12
-
$3,050 CAD
$2,182 USD
View
B+
Retailer 13
-
$3,727 CAD
£2,100 GBP
View
Most Expensive
B
NZ Jewellers
4d1f7614-4d6b-415c-b36a-05c362ee557a · Oct 27
$5,159 CAD
$3,692 USD
View
13 more retailers have this diamond
Prices start from $1,929 CADSave up to $3,231 CAD

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
1.00ct Marquise
$1,929 CAD