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Marquise|Natural|IGI

1.30ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 819642026

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819642026

Diamond specifications and retailer prices

From $2,535 AUD
As of November 6, 2026
Save $1,657 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,192 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 819642026. Listed at 6 retailers as of November 6, 2026, with prices from $2,535 to $4,192, a $1,657 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,192. 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

1.30
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 819642026
Dimensions10.42 × 5.63 × 3.69 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.42 mm5.63 mm1.30 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642026
Side View
Table 61.0%Crown 41°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 65.5%

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: $2,535 AUD|Low: $1,987 AUD|High: $4,688 AUD|Avg: $3,108 AUD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$1,987 AUD
Retailer 1$2,535 AUD
Retailer 3$2,545 AUD
Retailer 5$2,627 AUD
Retailer 4$3,321 AUD
Retailer 2$3,588 AUD
Wholesale Diamonds Direct$4,192 AUD

34 data points across 7 retailers

6 retailers$2,535 AUD to $4,192 AUD

A
Cheapest Retailer
-
$2,535 AUD
A
Retailer 2
-
$2,545 AUD
View
A
Retailer 3
-
$2,627 AUD
View
B+
Retailer 4
-
$3,321 AUD
View
B+
Retailer 5
-
$3,588 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
271990113 · Nov 6
$4,192 AUD
$2,880 USD
View
5 more retailers have this diamond
Prices start from $2,535 AUDSave up to $1,657 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
1.30ct Marquise
$2,535 AUD