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Marquise|Natural|IGI

1.00ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 788607922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607922

Diamond specifications and retailer prices

From $1,657 AUD
As of November 5, 2026
Save $2,560 AUD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,217 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607922. Listed at 12 retailers as of November 5, 2026, with prices from $1,657 to $4,217, a $2,560 spread on the same certified stone. NZ Jewellers lists it at $4,217. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle31.8°
OriginNatural
Grading LabIGI
CertificateIGI 788607922
Dimensions10.54 × 5.24 × 2.97 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.54 mm5.24 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607922
Side View
Table 57.0%Crown 37.3°Girdle: STK-VTKPavilion 31.8°Culet: NoneDepth 56.7%

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 5
Current: $4,217 AUD|Low: $1,657 AUD|High: $4,345 AUD|Avg: $2,207 AUD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$1,657 AUD
Retailer 11$1,728 AUD
Retailer 2$1,743 AUD
Retailer 4$1,781 AUD
Retailer 10$1,796 AUD
Retailer 13$1,797 AUD
Retailer 12$1,851 AUD
Retailer 6$1,896 AUD
Retailer 8$1,966 AUD
Retailer 5$2,118 AUD
Retailer 7$2,370 AUD
Retailer 9$3,158 AUD
NZ Jewellers$4,217 AUD

43 data points across 13 retailers

12 retailers$1,657 AUD to $4,217 AUD

B+
Cheapest Retailer
-
$1,657 AUD
A
Retailer 2
-
$1,728 AUD
View
A
Retailer 3
-
$1,743 AUD
View
Retailer 4
-
$1,781 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,796 AUD
View
B+
Retailer 6
-
$1,797 AUD
View
B+
Retailer 7
-
$1,851 AUD
View
B+
Retailer 8
-
$1,896 AUD
View
B+
Retailer 9
-
$1,966 AUD
View
B+
Retailer 10
-
$2,370 AUD
View
B+
Retailer 11
-
$3,158 AUD
View
Most Expensive
B
NZ Jewellers
037fd41a-2627-4d31-b2d7-6bf1d495cff7 · Nov 5
$4,217 AUD
$2,952 USD
View
11 more retailers have this diamond
Prices start from $1,657 AUDSave up to $2,560 AUD

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
$1,657 AUD