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Marquise|Natural|IGI

0.70ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 809629840

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 809629840

Diamond specifications and retailer prices

From $619 AUD
As of November 6, 2026
Save $1,289 AUD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,595 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 809629840. Listed at 14 retailers as of November 4, 2026, with a 208% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.70
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 809629840
Dimensions8.87 × 4.62 × 2.91 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
8.87 mm4.62 mm0.70 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 809629840
Side View
Table 60.0%Crown 37.5°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
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: Nov 6
Current: $619 AUD|Low: $619 AUD|High: $1,934 AUD|Avg: $1,154 AUD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$619 AUD
Retailer 4$1,035 AUD
Retailer 2$1,038 AUD
Retailer 6$1,113 AUD
Retailer 3$1,223 AUD
Retailer 7$1,236 AUD
Retailer 5$1,908 AUD

27 data points across 7 retailers

14 retailers$619 AUD to $1,908 AUD

A
Cheapest Retailer
-
$619 AUD
Retailer 2
-
$768 AUD
View
Price last confirmed 95 days ago
Retailer 3
-
$828 AUD
View
Price last confirmed 29 days ago
Retailer 4
-
$891 AUD
View
Price last confirmed 36 days ago
Retailer 5
-
$955 AUD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$1,019 AUD
View
B+
Retailer 7
-
$1,035 AUD
View
B+
Retailer 8
-
$1,036 AUD
View
B+
Retailer 9
-
$1,038 AUD
View
B+
Retailer 10
-
$1,113 AUD
View
B+
Retailer 11
-
$1,223 AUD
View
B+
Retailer 12
-
$1,236 AUD
View
B
Retailer 13
-
$1,908 AUD
View
Most Expensive
NZ Jewellers
f5ac6e52-d8a4-4a96-88b2-c0bd632b2501 · Sep 30
$2,595 AUD
$1,783 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $619 AUDSave up to $1,289 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
0.70ct Marquise
$619 AUD